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Annotation of src/usr.bin/openssl/openssl.1, Revision 1.103

1.103   ! inoguchi    1: .\" $OpenBSD: openssl.1,v 1.102 2019/06/07 05:53:46 jmc Exp $
1.1       jsing       2: .\" ====================================================================
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                     50: .\" This product includes cryptographic software written by Eric Young
                     51: .\" (eay@cryptsoft.com).  This product includes software written by Tim
                     52: .\" Hudson (tjh@cryptsoft.com).
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                     55: .\" Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
                     56: .\" All rights reserved.
                     57: .\"
                     58: .\" This package is an SSL implementation written
                     59: .\" by Eric Young (eay@cryptsoft.com).
                     60: .\" The implementation was written so as to conform with Netscapes SSL.
                     61: .\"
                     62: .\" This library is free for commercial and non-commercial use as long as
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1.102     jmc       113: .Dd $Mdocdate: June 7 2019 $
1.1       jsing     114: .Dt OPENSSL 1
                    115: .Os
                    116: .Sh NAME
                    117: .Nm openssl
                    118: .Nd OpenSSL command line tool
                    119: .Sh SYNOPSIS
                    120: .Nm
1.90      schwarze  121: .Ar command
1.1       jsing     122: .Op Ar command_opts
                    123: .Op Ar command_args
                    124: .Pp
                    125: .Nm
1.13      bentley   126: .Cm list-standard-commands |
                    127: .Cm list-message-digest-commands |
                    128: .Cm list-cipher-commands |
                    129: .Cm list-cipher-algorithms |
                    130: .Cm list-message-digest-algorithms |
1.1       jsing     131: .Cm list-public-key-algorithms
                    132: .Pp
                    133: .Nm
1.39      jmc       134: .Cm no- Ns Ar command
1.1       jsing     135: .Sh DESCRIPTION
                    136: .Nm OpenSSL
1.31      jmc       137: is a cryptography toolkit implementing the
                    138: Transport Layer Security
1.1       jsing     139: .Pq TLS v1
1.31      jmc       140: network protocol,
                    141: as well as related cryptography standards.
1.1       jsing     142: .Pp
                    143: The
                    144: .Nm
                    145: program is a command line tool for using the various
                    146: cryptography functions of
1.39      jmc       147: .Nm openssl Ns 's
1.33      jmc       148: crypto library from the shell.
1.1       jsing     149: .Pp
                    150: The pseudo-commands
                    151: .Cm list-standard-commands , list-message-digest-commands ,
                    152: and
                    153: .Cm list-cipher-commands
                    154: output a list
                    155: .Pq one entry per line
                    156: of the names of all standard commands, message digest commands,
                    157: or cipher commands, respectively, that are available in the present
                    158: .Nm
                    159: utility.
                    160: .Pp
                    161: The pseudo-commands
                    162: .Cm list-cipher-algorithms
                    163: and
                    164: .Cm list-message-digest-algorithms
                    165: list all cipher and message digest names,
                    166: one entry per line.
                    167: Aliases are listed as:
                    168: .Pp
1.33      jmc       169: .D1 from => to
1.1       jsing     170: .Pp
                    171: The pseudo-command
                    172: .Cm list-public-key-algorithms
                    173: lists all supported public key algorithms.
                    174: .Pp
                    175: The pseudo-command
1.39      jmc       176: .Cm no- Ns Ar command
1.1       jsing     177: tests whether a command of the
                    178: specified name is available.
1.39      jmc       179: If
                    180: .Ar command
                    181: does not exist,
1.1       jsing     182: it returns 0
                    183: and prints
1.39      jmc       184: .Cm no- Ns Ar command ;
1.1       jsing     185: otherwise it returns 1 and prints
1.39      jmc       186: .Ar command .
                    187: In both cases, the output goes to stdout and nothing is printed to stderr.
1.1       jsing     188: Additional command line arguments are always ignored.
                    189: Since for each cipher there is a command of the same name,
                    190: this provides an easy way for shell scripts to test for the
                    191: availability of ciphers in the
                    192: .Nm
                    193: program.
                    194: .Pp
                    195: .Sy Note :
1.39      jmc       196: .Cm no- Ns Ar command
1.1       jsing     197: is not able to detect pseudo-commands such as
                    198: .Cm quit ,
                    199: .Cm list- Ns Ar ... Ns Cm -commands ,
                    200: or
1.39      jmc       201: .Cm no- Ns Ar command
1.1       jsing     202: itself.
                    203: .Sh ASN1PARSE
                    204: .nr nS 1
                    205: .Nm "openssl asn1parse"
                    206: .Op Fl i
                    207: .Op Fl dlimit Ar number
                    208: .Op Fl dump
                    209: .Op Fl genconf Ar file
                    210: .Op Fl genstr Ar str
                    211: .Op Fl in Ar file
1.34      jmc       212: .Op Fl inform Cm der | pem | txt
1.1       jsing     213: .Op Fl length Ar number
                    214: .Op Fl noout
                    215: .Op Fl offset Ar number
                    216: .Op Fl oid Ar file
                    217: .Op Fl out Ar file
                    218: .Op Fl strparse Ar offset
                    219: .nr nS 0
                    220: .Pp
                    221: The
                    222: .Nm asn1parse
                    223: command is a diagnostic utility that can parse ASN.1 structures.
                    224: It can also be used to extract data from ASN.1 formatted data.
                    225: .Pp
                    226: The options are as follows:
                    227: .Bl -tag -width Ds
                    228: .It Fl dlimit Ar number
                    229: Dump the first
                    230: .Ar number
                    231: bytes of unknown data in hex form.
                    232: .It Fl dump
                    233: Dump unknown data in hex form.
                    234: .It Fl genconf Ar file , Fl genstr Ar str
                    235: Generate encoded data based on string
                    236: .Ar str ,
                    237: file
                    238: .Ar file ,
1.34      jmc       239: or both, using the format described in
                    240: .Xr ASN1_generate_nconf 3 .
1.1       jsing     241: If only
                    242: .Ar file
                    243: is present then the string is obtained from the default section
                    244: using the name
                    245: .Dq asn1 .
1.84      jmc       246: The encoded data is passed through the ASN.1 parser and printed out as
1.1       jsing     247: though it came from a file;
                    248: the contents can thus be examined and written to a file using the
                    249: .Fl out
                    250: option.
                    251: .It Fl i
1.34      jmc       252: Indent the output according to the
1.1       jsing     253: .Qq depth
                    254: of the structures.
                    255: .It Fl in Ar file
1.41      jmc       256: The input file to read from, or standard input if not specified.
1.34      jmc       257: .It Fl inform Cm der | pem | txt
1.1       jsing     258: The input format.
                    259: .It Fl length Ar number
1.34      jmc       260: Number of bytes to parse; the default is until end of file.
1.1       jsing     261: .It Fl noout
1.46      jmc       262: Do not output the parsed version of the input file.
1.1       jsing     263: .It Fl offset Ar number
1.34      jmc       264: Starting offset to begin parsing; the default is start of file.
1.1       jsing     265: .It Fl oid Ar file
                    266: A file containing additional object identifiers
                    267: .Pq OIDs .
                    268: If an OID
                    269: .Pq object identifier
                    270: is not part of
1.34      jmc       271: .Nm openssl Ns 's
1.1       jsing     272: internal table it will be represented in
                    273: numerical form
                    274: .Pq for example 1.2.3.4 .
1.34      jmc       275: .Pp
1.1       jsing     276: Each line consists of three columns:
                    277: the first column is the OID in numerical format and should be followed by
                    278: whitespace.
                    279: The second column is the
1.34      jmc       280: .Qq short name ,
1.1       jsing     281: which is a single word followed by whitespace.
                    282: The final column is the rest of the line and is the
                    283: .Qq long name .
                    284: .Nm asn1parse
                    285: displays the long name.
1.34      jmc       286: .It Fl out Ar file
                    287: The DER-encoded output file; the default is no encoded output
                    288: (useful when combined with
                    289: .Fl strparse ) .
                    290: .It Fl strparse Ar offset
                    291: Parse the content octets of the ASN.1 object starting at
                    292: .Ar offset .
                    293: This option can be used multiple times to
                    294: .Qq drill down
                    295: into a nested structure.
                    296: .El
1.1       jsing     297: .Sh CA
                    298: .nr nS 1
                    299: .Nm "openssl ca"
                    300: .Op Fl batch
                    301: .Op Fl cert Ar file
                    302: .Op Fl config Ar file
1.91      schwarze  303: .Op Fl create_serial
1.1       jsing     304: .Op Fl crl_CA_compromise Ar time
                    305: .Op Fl crl_compromise Ar time
                    306: .Op Fl crl_hold Ar instruction
                    307: .Op Fl crl_reason Ar reason
                    308: .Op Fl crldays Ar days
                    309: .Op Fl crlexts Ar section
                    310: .Op Fl crlhours Ar hours
1.103   ! inoguchi  311: .Op Fl crlsec Ar seconds
1.1       jsing     312: .Op Fl days Ar arg
                    313: .Op Fl enddate Ar date
                    314: .Op Fl extensions Ar section
1.103   ! inoguchi  315: .Op Fl extfile Ar file
1.1       jsing     316: .Op Fl gencrl
                    317: .Op Fl in Ar file
                    318: .Op Fl infiles
1.91      schwarze  319: .Op Fl key Ar password
1.103   ! inoguchi  320: .Op Fl keyfile Ar file
1.91      schwarze  321: .Op Fl keyform Cm pem | der
1.103   ! inoguchi  322: .Op Fl md Ar alg
1.1       jsing     323: .Op Fl msie_hack
1.91      schwarze  324: .Op Fl multivalue\-rdn
1.1       jsing     325: .Op Fl name Ar section
                    326: .Op Fl noemailDN
                    327: .Op Fl notext
                    328: .Op Fl out Ar file
1.103   ! inoguchi  329: .Op Fl outdir Ar directory
1.1       jsing     330: .Op Fl passin Ar arg
                    331: .Op Fl policy Ar arg
                    332: .Op Fl preserveDN
                    333: .Op Fl revoke Ar file
1.91      schwarze  334: .Op Fl selfsign
1.103   ! inoguchi  335: .Op Fl sigopt Ar nm:v
1.1       jsing     336: .Op Fl spkac Ar file
                    337: .Op Fl ss_cert Ar file
                    338: .Op Fl startdate Ar date
                    339: .Op Fl status Ar serial
                    340: .Op Fl subj Ar arg
                    341: .Op Fl updatedb
1.91      schwarze  342: .Op Fl utf8
1.1       jsing     343: .Op Fl verbose
                    344: .nr nS 0
                    345: .Pp
                    346: The
                    347: .Nm ca
1.35      jmc       348: command is a minimal certificate authority (CA) application.
1.1       jsing     349: It can be used to sign certificate requests in a variety of forms
1.35      jmc       350: and generate certificate revocation lists (CRLs).
1.1       jsing     351: It also maintains a text database of issued certificates and their status.
                    352: .Pp
1.35      jmc       353: The options relevant to CAs are as follows:
1.1       jsing     354: .Bl -tag -width "XXXX"
                    355: .It Fl batch
1.41      jmc       356: Batch mode.
1.1       jsing     357: In this mode no questions will be asked
                    358: and all certificates will be certified automatically.
                    359: .It Fl cert Ar file
                    360: The CA certificate file.
                    361: .It Fl config Ar file
1.72      jmc       362: Specify an alternative configuration file.
1.91      schwarze  363: .It Fl create_serial
                    364: If reading the serial from the text file as specified in the
                    365: configuration fails, create a new random serial to be used as the
                    366: next serial number.
1.1       jsing     367: .It Fl days Ar arg
                    368: The number of days to certify the certificate for.
                    369: .It Fl enddate Ar date
1.41      jmc       370: Set the expiry date.
1.88      jmc       371: The format of the date is [YY]YYMMDDHHMMSSZ,
                    372: with all four year digits required for dates from 2050 onwards.
1.1       jsing     373: .It Fl extensions Ar section
                    374: The section of the configuration file containing certificate extensions
                    375: to be added when a certificate is issued (defaults to
1.35      jmc       376: .Cm x509_extensions
1.1       jsing     377: unless the
                    378: .Fl extfile
                    379: option is used).
                    380: If no extension section is present, a V1 certificate is created.
                    381: If the extension section is present
                    382: .Pq even if it is empty ,
                    383: then a V3 certificate is created.
1.91      schwarze  384: See the
                    385: .Xr x509v3.cnf 5
                    386: manual page for details of the extension section format.
1.1       jsing     387: .It Fl extfile Ar file
                    388: An additional configuration
                    389: .Ar file
                    390: to read certificate extensions from
                    391: (using the default section unless the
                    392: .Fl extensions
                    393: option is also used).
                    394: .It Fl in Ar file
                    395: An input
                    396: .Ar file
                    397: containing a single certificate request to be signed by the CA.
                    398: .It Fl infiles
                    399: If present, this should be the last option; all subsequent arguments
                    400: are assumed to be the names of files containing certificate requests.
1.91      schwarze  401: .It Fl key Ar password
                    402: The
                    403: .Fa password
                    404: used to encrypt the private key.
1.35      jmc       405: Since on some systems the command line arguments are visible,
                    406: this option should be used with caution.
1.1       jsing     407: .It Fl keyfile Ar file
                    408: The private key to sign requests with.
1.91      schwarze  409: .It Fl keyform Cm pem | der
1.1       jsing     410: Private key file format.
1.91      schwarze  411: The default is
                    412: .Cm pem .
1.1       jsing     413: .It Fl md Ar alg
                    414: The message digest to use.
                    415: Possible values include
                    416: .Ar md5
                    417: and
                    418: .Ar sha1 .
                    419: This option also applies to CRLs.
                    420: .It Fl msie_hack
                    421: This is a legacy option to make
                    422: .Nm ca
                    423: work with very old versions of the IE certificate enrollment control
                    424: .Qq certenr3 .
                    425: It used UniversalStrings for almost everything.
                    426: Since the old control has various security bugs,
                    427: its use is strongly discouraged.
                    428: The newer control
                    429: .Qq Xenroll
                    430: does not need this option.
1.91      schwarze  431: .It Fl multivalue\-rdn
                    432: This option causes the
                    433: .Fl subj
                    434: argument to be interpreted with full support for multivalued RDNs,
                    435: for example
                    436: .Qq "/DC=org/DC=OpenSSL/DC=users/UID=123456+CN=John Doe" .
                    437: If
                    438: .Fl multivalue\-rdn
                    439: is not used, the UID value is set to
                    440: .Qq "123456+CN=John Doe" .
1.1       jsing     441: .It Fl name Ar section
                    442: Specifies the configuration file
                    443: .Ar section
                    444: to use (overrides
                    445: .Cm default_ca
                    446: in the
                    447: .Cm ca
                    448: section).
                    449: .It Fl noemailDN
                    450: The DN of a certificate can contain the EMAIL field if present in the
1.30      mmcc      451: request DN, however it is good policy just having the email set into
1.1       jsing     452: the
1.35      jmc       453: .Cm altName
1.1       jsing     454: extension of the certificate.
                    455: When this option is set, the EMAIL field is removed from the certificate's
                    456: subject and set only in the, eventually present, extensions.
                    457: The
                    458: .Ar email_in_dn
                    459: keyword can be used in the configuration file to enable this behaviour.
                    460: .It Fl notext
                    461: Don't output the text form of a certificate to the output file.
                    462: .It Fl out Ar file
                    463: The output file to output certificates to.
                    464: The default is standard output.
1.91      schwarze  465: The certificate details will also be printed out to this file in
                    466: PEM format, except that
                    467: .Fl spkac
                    468: outputs DER format.
1.1       jsing     469: .It Fl outdir Ar directory
                    470: The
                    471: .Ar directory
                    472: to output certificates to.
                    473: The certificate will be written to a file consisting of the
                    474: serial number in hex with
                    475: .Qq .pem
                    476: appended.
                    477: .It Fl passin Ar arg
                    478: The key password source.
                    479: .It Fl policy Ar arg
1.41      jmc       480: Define the CA
1.1       jsing     481: .Qq policy
                    482: to use.
1.35      jmc       483: The policy section in the configuration file
                    484: consists of a set of variables corresponding to certificate DN fields.
                    485: The values may be one of
                    486: .Qq match
                    487: (the value must match the same field in the CA certificate),
                    488: .Qq supplied
                    489: (the value must be present), or
                    490: .Qq optional
                    491: (the value may be present).
                    492: Any fields not mentioned in the policy section
                    493: are silently deleted, unless the
                    494: .Fl preserveDN
                    495: option is set,
                    496: but this can be regarded more of a quirk than intended behaviour.
1.1       jsing     497: .It Fl preserveDN
                    498: Normally, the DN order of a certificate is the same as the order of the
                    499: fields in the relevant policy section.
                    500: When this option is set, the order is the same as the request.
                    501: This is largely for compatibility with the older IE enrollment control
                    502: which would only accept certificates if their DNs matched the order of the
                    503: request.
                    504: This is not needed for Xenroll.
1.91      schwarze  505: .It Fl selfsign
                    506: Indicates the issued certificates are to be signed with the key the
                    507: certificate requests were signed with, given with
                    508: .Fl keyfile .
                    509: Certificate requests signed with a different key are ignored.
                    510: If
                    511: .Fl gencrl ,
                    512: .Fl spkac ,
                    513: or
                    514: .Fl ss_cert
                    515: are given,
                    516: .Fl selfsign
                    517: is ignored.
                    518: .Pp
                    519: A consequence of using
                    520: .Fl selfsign
                    521: is that the self-signed certificate appears among the entries in
                    522: the certificate database (see the configuration option
                    523: .Cm database )
                    524: and uses the same serial number counter as all other certificates
                    525: signed with the self-signed certificate.
1.103   ! inoguchi  526: .It Fl sigopt Ar nm:v
        !           527: Pass options to the signature algorithm during sign or certify operations.
        !           528: The names and values of these options are algorithm-specific.
1.1       jsing     529: .It Fl spkac Ar file
                    530: A file containing a single Netscape signed public key and challenge,
                    531: and additional field values to be signed by the CA.
1.35      jmc       532: This will usually come from the
                    533: KEYGEN tag in an HTML form to create a new private key.
                    534: It is, however, possible to create SPKACs using the
                    535: .Nm spkac
                    536: utility.
                    537: .Pp
                    538: The file should contain the variable SPKAC set to the value of
                    539: the SPKAC and also the required DN components as name value pairs.
                    540: If it's necessary to include the same component twice,
                    541: then it can be preceded by a number and a
                    542: .Sq \&. .
1.1       jsing     543: .It Fl ss_cert Ar file
                    544: A single self-signed certificate to be signed by the CA.
                    545: .It Fl startdate Ar date
1.41      jmc       546: Set the start date.
1.88      jmc       547: The format of the date is [YY]YYMMDDHHMMSSZ,
                    548: with all four year digits required for dates from 2050 onwards.
1.91      schwarze  549: .It Fl subj Ar arg
                    550: Supersedes the subject name given in the request.
                    551: The
                    552: .Ar arg
                    553: must be formatted as
                    554: .Sm off
                    555: .Pf / Ar type0 Ns = Ar value0 Ns / Ar type 1 Ns = Ar value 1 Ns /
                    556: .Ar type2 Ns = Ar ... ;
                    557: .Sm on
                    558: characters may be escaped by
                    559: .Sq \e
                    560: .Pq backslash ,
                    561: no spaces are skipped.
                    562: .It Fl utf8
                    563: Interpret field values read from a terminal or obtained from a
                    564: configuration file as UTF-8 strings.
                    565: By default, they are interpreted as ASCII.
1.1       jsing     566: .It Fl verbose
1.41      jmc       567: Print extra details about the operations being performed.
1.1       jsing     568: .El
1.35      jmc       569: .Pp
                    570: The options relevant to CRLs are as follows:
1.1       jsing     571: .Bl -tag -width "XXXX"
                    572: .It Fl crl_CA_compromise Ar time
                    573: This is the same as
                    574: .Fl crl_compromise ,
                    575: except the revocation reason is set to CACompromise.
                    576: .It Fl crl_compromise Ar time
1.41      jmc       577: Set the revocation reason to keyCompromise and the compromise time to
1.1       jsing     578: .Ar time .
                    579: .Ar time
                    580: should be in GeneralizedTime format, i.e. YYYYMMDDHHMMSSZ.
                    581: .It Fl crl_hold Ar instruction
1.41      jmc       582: Set the CRL revocation reason code to certificateHold and the hold
1.1       jsing     583: instruction to
                    584: .Ar instruction
                    585: which must be an OID.
                    586: Although any OID can be used, only holdInstructionNone
                    587: (the use of which is discouraged by RFC 2459), holdInstructionCallIssuer or
                    588: holdInstructionReject will normally be used.
                    589: .It Fl crl_reason Ar reason
                    590: Revocation reason, where
                    591: .Ar reason
                    592: is one of:
                    593: unspecified, keyCompromise, CACompromise, affiliationChanged, superseded,
                    594: cessationOfOperation, certificateHold or removeFromCRL.
                    595: The matching of
                    596: .Ar reason
                    597: is case insensitive.
                    598: Setting any revocation reason will make the CRL v2.
                    599: In practice, removeFromCRL is not particularly useful because it is only used
                    600: in delta CRLs which are not currently implemented.
1.103   ! inoguchi  601: .It Fl crldays Ar days
1.1       jsing     602: The number of days before the next CRL is due.
                    603: This is the days from now to place in the CRL
1.35      jmc       604: .Cm nextUpdate
1.1       jsing     605: field.
                    606: .It Fl crlexts Ar section
                    607: The
                    608: .Ar section
                    609: of the configuration file containing CRL extensions to include.
                    610: If no CRL extension section is present then a V1 CRL is created;
                    611: if the CRL extension section is present
1.81      jmc       612: (even if it is empty)
1.1       jsing     613: then a V2 CRL is created.
1.81      jmc       614: The CRL extensions specified are CRL extensions and not CRL entry extensions.
                    615: It should be noted that some software can't handle V2 CRLs.
1.91      schwarze  616: See the
                    617: .Xr x509v3.cnf 5
                    618: manual page for details of the extension section format.
1.103   ! inoguchi  619: .It Fl crlhours Ar hours
1.1       jsing     620: The number of hours before the next CRL is due.
1.103   ! inoguchi  621: .It Fl crlsec Ar seconds
        !           622: The number of seconds before the next CRL is due.
1.1       jsing     623: .It Fl gencrl
1.41      jmc       624: Generate a CRL based on information in the index file.
1.1       jsing     625: .It Fl revoke Ar file
                    626: A
                    627: .Ar file
                    628: containing a certificate to revoke.
1.91      schwarze  629: .It Fl status Ar serial
                    630: Show the status of the certificate with serial number
                    631: .Ar serial .
                    632: .It Fl updatedb
                    633: Update the database index to purge expired certificates.
1.1       jsing     634: .El
                    635: .Pp
1.35      jmc       636: Many of the options can be set in the
                    637: .Cm ca
                    638: section of the configuration file
                    639: (or in the default section of the configuration file),
                    640: specified using
                    641: .Cm default_ca
                    642: or
                    643: .Fl name .
                    644: The options
                    645: .Cm preserve
                    646: and
                    647: .Cm msie_hack
                    648: are read directly from the
                    649: .Cm ca
                    650: section.
1.1       jsing     651: .Pp
                    652: Many of the configuration file options are identical to command line
                    653: options.
                    654: Where the option is present in the configuration file and the command line,
                    655: the command line value is used.
                    656: Where an option is described as mandatory, then it must be present in
                    657: the configuration file or the command line equivalent
                    658: .Pq if any
                    659: used.
                    660: .Bl -tag -width "XXXX"
1.35      jmc       661: .It Cm certificate
1.1       jsing     662: The same as
                    663: .Fl cert .
                    664: It gives the file containing the CA certificate.
                    665: Mandatory.
1.35      jmc       666: .It Cm copy_extensions
1.1       jsing     667: Determines how extensions in certificate requests should be handled.
                    668: If set to
1.35      jmc       669: .Cm none
1.1       jsing     670: or this option is not present, then extensions are
                    671: ignored and not copied to the certificate.
                    672: If set to
1.35      jmc       673: .Cm copy ,
1.1       jsing     674: then any extensions present in the request that are not already present
                    675: are copied to the certificate.
                    676: If set to
1.35      jmc       677: .Cm copyall ,
1.1       jsing     678: then all extensions in the request are copied to the certificate:
                    679: if the extension is already present in the certificate it is deleted first.
1.35      jmc       680: .Pp
                    681: The
                    682: .Cm copy_extensions
                    683: option should be used with caution.
                    684: If care is not taken, it can be a security risk.
                    685: For example, if a certificate request contains a
                    686: .Cm basicConstraints
                    687: extension with CA:TRUE and the
                    688: .Cm copy_extensions
                    689: value is set to
                    690: .Cm copyall
                    691: and the user does not spot
1.91      schwarze  692: this when the certificate is displayed, then this will hand the requester
1.35      jmc       693: a valid CA certificate.
                    694: .Pp
                    695: This situation can be avoided by setting
                    696: .Cm copy_extensions
                    697: to
                    698: .Cm copy
                    699: and including
                    700: .Cm basicConstraints
                    701: with CA:FALSE in the configuration file.
                    702: Then if the request contains a
                    703: .Cm basicConstraints
                    704: extension, it will be ignored.
1.1       jsing     705: .Pp
                    706: The main use of this option is to allow a certificate request to supply
                    707: values for certain extensions such as
1.35      jmc       708: .Cm subjectAltName .
                    709: .It Cm crl_extensions
1.1       jsing     710: The same as
                    711: .Fl crlexts .
1.35      jmc       712: .It Cm crlnumber
1.1       jsing     713: A text file containing the next CRL number to use in hex.
                    714: The CRL number will be inserted in the CRLs only if this file exists.
                    715: If this file is present, it must contain a valid CRL number.
1.35      jmc       716: .It Cm database
1.1       jsing     717: The text database file to use.
                    718: Mandatory.
                    719: This file must be present, though initially it will be empty.
1.35      jmc       720: .It Cm default_crl_hours , default_crl_days
1.1       jsing     721: The same as the
                    722: .Fl crlhours
                    723: and
                    724: .Fl crldays
                    725: options.
                    726: These will only be used if neither command line option is present.
                    727: At least one of these must be present to generate a CRL.
1.35      jmc       728: .It Cm default_days
1.1       jsing     729: The same as the
                    730: .Fl days
                    731: option.
                    732: The number of days to certify a certificate for.
1.35      jmc       733: .It Cm default_enddate
1.1       jsing     734: The same as the
                    735: .Fl enddate
                    736: option.
                    737: Either this option or
1.35      jmc       738: .Cm default_days
1.1       jsing     739: .Pq or the command line equivalents
                    740: must be present.
1.35      jmc       741: .It Cm default_md
1.1       jsing     742: The same as the
                    743: .Fl md
                    744: option.
                    745: The message digest to use.
                    746: Mandatory.
1.35      jmc       747: .It Cm default_startdate
1.1       jsing     748: The same as the
                    749: .Fl startdate
                    750: option.
                    751: The start date to certify a certificate for.
                    752: If not set, the current time is used.
1.35      jmc       753: .It Cm email_in_dn
1.1       jsing     754: The same as
                    755: .Fl noemailDN .
                    756: If the EMAIL field is to be removed from the DN of the certificate,
                    757: simply set this to
                    758: .Qq no .
                    759: If not present, the default is to allow for the EMAIL field in the
                    760: certificate's DN.
1.35      jmc       761: .It Cm msie_hack
1.1       jsing     762: The same as
                    763: .Fl msie_hack .
1.35      jmc       764: .It Cm name_opt , cert_opt
1.1       jsing     765: These options allow the format used to display the certificate details
                    766: when asking the user to confirm signing.
                    767: All the options supported by the
                    768: .Nm x509
                    769: utilities'
                    770: .Fl nameopt
                    771: and
                    772: .Fl certopt
                    773: switches can be used here, except that
1.35      jmc       774: .Cm no_signame
1.1       jsing     775: and
1.35      jmc       776: .Cm no_sigdump
1.1       jsing     777: are permanently set and cannot be disabled
                    778: (this is because the certificate signature cannot be displayed because
                    779: the certificate has not been signed at this point).
                    780: .Pp
                    781: For convenience, the value
1.35      jmc       782: .Cm ca_default
1.1       jsing     783: is accepted by both to produce a reasonable output.
                    784: .Pp
                    785: If neither option is present, the format used in earlier versions of
1.35      jmc       786: .Nm openssl
1.1       jsing     787: is used.
1.81      jmc       788: Use of the old format is strongly discouraged
                    789: because it only displays fields mentioned in the
1.35      jmc       790: .Cm policy
1.1       jsing     791: section,
                    792: mishandles multicharacter string types and does not display extensions.
1.35      jmc       793: .It Cm new_certs_dir
1.1       jsing     794: The same as the
                    795: .Fl outdir
                    796: command line option.
                    797: It specifies the directory where new certificates will be placed.
                    798: Mandatory.
1.35      jmc       799: .It Cm oid_file
1.1       jsing     800: This specifies a file containing additional object identifiers.
                    801: Each line of the file should consist of the numerical form of the
                    802: object identifier followed by whitespace, then the short name followed
                    803: by whitespace and finally the long name.
1.35      jmc       804: .It Cm oid_section
1.1       jsing     805: This specifies a section in the configuration file containing extra
                    806: object identifiers.
                    807: Each line should consist of the short name of the object identifier
                    808: followed by
                    809: .Sq =
                    810: and the numerical form.
                    811: The short and long names are the same when this option is used.
1.35      jmc       812: .It Cm policy
1.1       jsing     813: The same as
                    814: .Fl policy .
                    815: Mandatory.
1.35      jmc       816: .It Cm preserve
1.1       jsing     817: The same as
                    818: .Fl preserveDN .
1.35      jmc       819: .It Cm private_key
1.1       jsing     820: Same as the
                    821: .Fl keyfile
                    822: option.
                    823: The file containing the CA private key.
                    824: Mandatory.
1.35      jmc       825: .It Cm serial
1.1       jsing     826: A text file containing the next serial number to use in hex.
                    827: Mandatory.
                    828: This file must be present and contain a valid serial number.
1.35      jmc       829: .It Cm unique_subject
1.1       jsing     830: If the value
1.35      jmc       831: .Cm yes
1.1       jsing     832: is given, the valid certificate entries in the
                    833: database must have unique subjects.
                    834: If the value
1.35      jmc       835: .Cm no
1.1       jsing     836: is given,
                    837: several valid certificate entries may have the exact same subject.
                    838: The default value is
1.35      jmc       839: .Cm yes .
                    840: .It Cm x509_extensions
1.1       jsing     841: The same as
                    842: .Fl extensions .
                    843: .El
                    844: .Sh CIPHERS
                    845: .Nm openssl ciphers
                    846: .Op Fl hVv
1.93      schwarze  847: .Op Ar control
1.1       jsing     848: .Pp
                    849: The
                    850: .Nm ciphers
1.93      schwarze  851: command converts the
                    852: .Ar control
                    853: string from the format documented in
                    854: .Xr SSL_CTX_set_cipher_list 3
                    855: into an ordered SSL cipher suite preference list.
                    856: If no
                    857: .Ar control
                    858: string is specified, the
                    859: .Cm DEFAULT
                    860: list is printed.
1.1       jsing     861: .Pp
                    862: The options are as follows:
                    863: .Bl -tag -width Ds
                    864: .It Fl h , \&?
                    865: Print a brief usage message.
                    866: .It Fl V
1.36      jmc       867: Verbose.
1.92      schwarze  868: List ciphers with cipher suite code in hex format,
                    869: cipher name, and a complete description of protocol version,
                    870: key exchange, authentication, encryption, and mac algorithms.
1.36      jmc       871: .It Fl v
1.1       jsing     872: Like
1.36      jmc       873: .Fl V ,
                    874: but without cipher suite codes.
1.1       jsing     875: .El
                    876: .Sh CRL
                    877: .nr nS 1
                    878: .Nm "openssl crl"
                    879: .Op Fl CAfile Ar file
                    880: .Op Fl CApath Ar dir
                    881: .Op Fl fingerprint
                    882: .Op Fl hash
                    883: .Op Fl in Ar file
1.38      jmc       884: .Op Fl inform Cm der | pem
1.1       jsing     885: .Op Fl issuer
                    886: .Op Fl lastupdate
                    887: .Op Fl nextupdate
                    888: .Op Fl noout
                    889: .Op Fl out Ar file
1.38      jmc       890: .Op Fl outform Cm der | pem
1.1       jsing     891: .Op Fl text
                    892: .nr nS 0
                    893: .Pp
                    894: The
                    895: .Nm crl
                    896: command processes CRL files in DER or PEM format.
1.37      jmc       897: .Pp
1.1       jsing     898: The options are as follows:
                    899: .Bl -tag -width Ds
                    900: .It Fl CAfile Ar file
                    901: Verify the signature on a CRL by looking up the issuing certificate in
                    902: .Ar file .
                    903: .It Fl CApath Ar directory
                    904: Verify the signature on a CRL by looking up the issuing certificate in
                    905: .Ar dir .
                    906: This directory must be a standard certificate directory,
                    907: i.e. a hash of each subject name (using
                    908: .Cm x509 Fl hash )
                    909: should be linked to each certificate.
                    910: .It Fl fingerprint
                    911: Print the CRL fingerprint.
                    912: .It Fl hash
                    913: Output a hash of the issuer name.
                    914: This can be used to look up CRLs in a directory by issuer name.
                    915: .It Fl in Ar file
1.37      jmc       916: The input file to read from, or standard input if not specified.
1.38      jmc       917: .It Fl inform Cm der | pem
1.37      jmc       918: The input format.
1.1       jsing     919: .It Fl issuer
                    920: Output the issuer name.
                    921: .It Fl lastupdate
                    922: Output the
1.37      jmc       923: .Cm lastUpdate
1.1       jsing     924: field.
                    925: .It Fl nextupdate
                    926: Output the
1.37      jmc       927: .Cm nextUpdate
1.1       jsing     928: field.
                    929: .It Fl noout
1.46      jmc       930: Do not output the encoded version of the CRL.
1.1       jsing     931: .It Fl out Ar file
1.37      jmc       932: The output file to write to, or standard output if not specified.
1.38      jmc       933: .It Fl outform Cm der | pem
1.37      jmc       934: The output format.
1.1       jsing     935: .It Fl text
1.64      jmc       936: Print the CRL in plain text.
1.1       jsing     937: .El
                    938: .Sh CRL2PKCS7
                    939: .nr nS 1
                    940: .Nm "openssl crl2pkcs7"
                    941: .Op Fl certfile Ar file
                    942: .Op Fl in Ar file
1.40      jmc       943: .Op Fl inform Cm der | pem
1.1       jsing     944: .Op Fl nocrl
                    945: .Op Fl out Ar file
1.40      jmc       946: .Op Fl outform Cm der | pem
1.1       jsing     947: .nr nS 0
                    948: .Pp
                    949: The
                    950: .Nm crl2pkcs7
                    951: command takes an optional CRL and one or more
                    952: certificates and converts them into a PKCS#7 degenerate
                    953: .Qq certificates only
                    954: structure.
                    955: .Pp
                    956: The options are as follows:
                    957: .Bl -tag -width Ds
                    958: .It Fl certfile Ar file
1.40      jmc       959: Add the certificates in PEM
1.1       jsing     960: .Ar file
1.40      jmc       961: to the PKCS#7 structure.
                    962: This option can be used more than once
                    963: to read certificates from multiple files.
1.1       jsing     964: .It Fl in Ar file
1.40      jmc       965: Read the CRL from
                    966: .Ar file ,
                    967: or standard input if not specified.
                    968: .It Fl inform Cm der | pem
1.64      jmc       969: The input format.
1.1       jsing     970: .It Fl nocrl
                    971: Normally, a CRL is included in the output file.
                    972: With this option, no CRL is
                    973: included in the output file and a CRL is not read from the input file.
                    974: .It Fl out Ar file
1.40      jmc       975: Write the PKCS#7 structure to
                    976: .Ar file ,
                    977: or standard output if not specified.
                    978: .It Fl outform Cm der | pem
1.64      jmc       979: The output format.
1.1       jsing     980: .El
                    981: .Sh DGST
                    982: .nr nS 1
                    983: .Nm "openssl dgst"
1.43      jmc       984: .Op Fl cd
1.1       jsing     985: .Op Fl binary
1.43      jmc       986: .Op Fl Ar digest
1.1       jsing     987: .Op Fl hex
                    988: .Op Fl hmac Ar key
1.43      jmc       989: .Op Fl keyform Cm pem
1.1       jsing     990: .Op Fl mac Ar algorithm
                    991: .Op Fl macopt Ar nm : Ns Ar v
                    992: .Op Fl out Ar file
                    993: .Op Fl passin Ar arg
                    994: .Op Fl prverify Ar file
                    995: .Op Fl sign Ar file
                    996: .Op Fl signature Ar file
                    997: .Op Fl sigopt Ar nm : Ns Ar v
                    998: .Op Fl verify Ar file
                    999: .Op Ar
                   1000: .nr nS 0
                   1001: .Pp
                   1002: The digest functions output the message digest of a supplied
                   1003: .Ar file
                   1004: or
                   1005: .Ar files
                   1006: in hexadecimal form.
                   1007: They can also be used for digital signing and verification.
                   1008: .Pp
                   1009: The options are as follows:
                   1010: .Bl -tag -width Ds
                   1011: .It Fl binary
                   1012: Output the digest or signature in binary form.
                   1013: .It Fl c
1.48      jmc      1014: Print the digest in two-digit groups separated by colons.
1.1       jsing    1015: .It Fl d
1.48      jmc      1016: Print BIO debugging information.
1.43      jmc      1017: .It Fl Ar digest
                   1018: Use the specified message
                   1019: .Ar digest .
1.98      naddy    1020: The default is SHA256.
1.43      jmc      1021: The available digests can be displayed using
                   1022: .Nm openssl
                   1023: .Cm list-message-digest-commands .
                   1024: The following are equivalent:
                   1025: .Nm openssl dgst
1.98      naddy    1026: .Fl sha256
1.43      jmc      1027: and
                   1028: .Nm openssl
1.98      naddy    1029: .Cm sha256 .
1.1       jsing    1030: .It Fl hex
                   1031: Digest is to be output as a hex dump.
                   1032: This is the default case for a
                   1033: .Qq normal
                   1034: digest as opposed to a digital signature.
                   1035: .It Fl hmac Ar key
                   1036: Create a hashed MAC using
                   1037: .Ar key .
1.43      jmc      1038: .It Fl keyform Cm pem
1.1       jsing    1039: Specifies the key format to sign the digest with.
                   1040: .It Fl mac Ar algorithm
                   1041: Create a keyed Message Authentication Code (MAC).
                   1042: The most popular MAC algorithm is HMAC (hash-based MAC),
                   1043: but there are other MAC algorithms which are not based on hash.
                   1044: MAC keys and other options should be set via the
                   1045: .Fl macopt
                   1046: parameter.
                   1047: .It Fl macopt Ar nm : Ns Ar v
                   1048: Passes options to the MAC algorithm, specified by
                   1049: .Fl mac .
                   1050: The following options are supported by HMAC:
                   1051: .Bl -tag -width Ds
1.43      jmc      1052: .It Cm key : Ns Ar string
1.1       jsing    1053: Specifies the MAC key as an alphanumeric string
                   1054: (use if the key contain printable characters only).
                   1055: String length must conform to any restrictions of the MAC algorithm.
1.43      jmc      1056: .It Cm hexkey : Ns Ar string
1.1       jsing    1057: Specifies the MAC key in hexadecimal form (two hex digits per byte).
                   1058: Key length must conform to any restrictions of the MAC algorithm.
                   1059: .El
                   1060: .It Fl out Ar file
1.43      jmc      1061: The output file to write to,
                   1062: or standard output if not specified.
1.1       jsing    1063: .It Fl passin Ar arg
                   1064: The key password source.
                   1065: .It Fl prverify Ar file
                   1066: Verify the signature using the private key in
                   1067: .Ar file .
                   1068: The output is either
                   1069: .Qq Verification OK
                   1070: or
                   1071: .Qq Verification Failure .
                   1072: .It Fl sign Ar file
                   1073: Digitally sign the digest using the private key in
                   1074: .Ar file .
                   1075: .It Fl signature Ar file
                   1076: The actual signature to verify.
                   1077: .It Fl sigopt Ar nm : Ns Ar v
                   1078: Pass options to the signature algorithm during sign or verify operations.
                   1079: The names and values of these options are algorithm-specific.
                   1080: .It Fl verify Ar file
                   1081: Verify the signature using the public key in
                   1082: .Ar file .
                   1083: The output is either
                   1084: .Qq Verification OK
                   1085: or
                   1086: .Qq Verification Failure .
                   1087: .It Ar
                   1088: File or files to digest.
                   1089: If no files are specified then standard input is used.
                   1090: .El
                   1091: .Sh DHPARAM
                   1092: .nr nS 1
                   1093: .Nm "openssl dhparam"
                   1094: .Op Fl 2 | 5
                   1095: .Op Fl C
                   1096: .Op Fl check
                   1097: .Op Fl dsaparam
                   1098: .Op Fl in Ar file
1.44      jmc      1099: .Op Fl inform Cm der | pem
1.1       jsing    1100: .Op Fl noout
                   1101: .Op Fl out Ar file
1.44      jmc      1102: .Op Fl outform Cm der | pem
1.1       jsing    1103: .Op Fl text
                   1104: .Op Ar numbits
                   1105: .nr nS 0
                   1106: .Pp
                   1107: The
                   1108: .Nm dhparam
                   1109: command is used to manipulate DH parameter files.
1.44      jmc      1110: Only the older PKCS#3 DH is supported,
                   1111: not the newer X9.42 DH.
1.1       jsing    1112: .Pp
                   1113: The options are as follows:
                   1114: .Bl -tag -width Ds
                   1115: .It Fl 2 , 5
1.44      jmc      1116: The generator to use;
1.1       jsing    1117: 2 is the default.
                   1118: If present, the input file is ignored and parameters are generated instead.
                   1119: .It Fl C
1.44      jmc      1120: Convert the parameters into C code.
1.1       jsing    1121: The parameters can then be loaded by calling the
1.44      jmc      1122: .No get_dh Ns Ar numbits
1.1       jsing    1123: function.
                   1124: .It Fl check
                   1125: Check the DH parameters.
                   1126: .It Fl dsaparam
1.44      jmc      1127: Read or create DSA parameters,
                   1128: converted to DH format on output.
1.1       jsing    1129: Otherwise,
                   1130: .Qq strong
                   1131: primes
                   1132: .Pq such that (p-1)/2 is also prime
                   1133: will be used for DH parameter generation.
                   1134: .Pp
                   1135: DH parameter generation with the
                   1136: .Fl dsaparam
                   1137: option is much faster,
                   1138: and the recommended exponent length is shorter,
                   1139: which makes DH key exchange more efficient.
                   1140: Beware that with such DSA-style DH parameters,
                   1141: a fresh DH key should be created for each use to
                   1142: avoid small-subgroup attacks that may be possible otherwise.
                   1143: .It Fl in Ar file
1.44      jmc      1144: The input file to read from,
                   1145: or standard input if not specified.
                   1146: .It Fl inform Cm der | pem
                   1147: The input format.
1.1       jsing    1148: .It Fl noout
1.46      jmc      1149: Do not output the encoded version of the parameters.
1.44      jmc      1150: .It Fl out Ar file
                   1151: The output file to write to,
                   1152: or standard output if not specified.
                   1153: .It Fl outform Cm der | pem
                   1154: The output format.
                   1155: .It Fl text
1.64      jmc      1156: Print the DH parameters in plain text.
1.1       jsing    1157: .It Ar numbits
1.44      jmc      1158: Generate a parameter set of size
1.1       jsing    1159: .Ar numbits .
                   1160: It must be the last option.
1.16      sthen    1161: If not present, a value of 2048 is used.
1.1       jsing    1162: If this value is present, the input file is ignored and
                   1163: parameters are generated instead.
                   1164: .El
                   1165: .Sh DSA
                   1166: .nr nS 1
                   1167: .Nm "openssl dsa"
                   1168: .Oo
                   1169: .Fl aes128 | aes192 | aes256 |
                   1170: .Fl des | des3
                   1171: .Oc
                   1172: .Op Fl in Ar file
1.45      jmc      1173: .Op Fl inform Cm der | pem
1.1       jsing    1174: .Op Fl modulus
                   1175: .Op Fl noout
                   1176: .Op Fl out Ar file
1.45      jmc      1177: .Op Fl outform Cm der | pem
1.1       jsing    1178: .Op Fl passin Ar arg
                   1179: .Op Fl passout Ar arg
                   1180: .Op Fl pubin
                   1181: .Op Fl pubout
                   1182: .Op Fl text
                   1183: .nr nS 0
                   1184: .Pp
                   1185: The
                   1186: .Nm dsa
                   1187: command processes DSA keys.
                   1188: They can be converted between various forms and their components printed out.
                   1189: .Pp
                   1190: .Sy Note :
                   1191: This command uses the traditional
                   1192: .Nm SSLeay
                   1193: compatible format for private key encryption:
                   1194: newer applications should use the more secure PKCS#8 format using the
                   1195: .Nm pkcs8
                   1196: command.
                   1197: .Pp
                   1198: The options are as follows:
                   1199: .Bl -tag -width Ds
                   1200: .It Xo
                   1201: .Fl aes128 | aes192 | aes256 |
                   1202: .Fl des | des3
                   1203: .Xc
1.45      jmc      1204: Encrypt the private key with the AES, DES, or the triple DES
1.1       jsing    1205: ciphers, respectively, before outputting it.
                   1206: A pass phrase is prompted for.
1.45      jmc      1207: If none of these options are specified, the key is written in plain text.
1.1       jsing    1208: This means that using the
                   1209: .Nm dsa
1.45      jmc      1210: utility to read an encrypted key with no encryption option can be used to
1.1       jsing    1211: remove the pass phrase from a key,
1.45      jmc      1212: or by setting the encryption options it can be used to add or change
1.1       jsing    1213: the pass phrase.
                   1214: These options can only be used with PEM format output files.
                   1215: .It Fl in Ar file
1.45      jmc      1216: The input file to read from,
                   1217: or standard input if not specified.
1.1       jsing    1218: If the key is encrypted, a pass phrase will be prompted for.
1.45      jmc      1219: .It Fl inform Cm der | pem
                   1220: The input format.
1.1       jsing    1221: .It Fl modulus
1.45      jmc      1222: Print the value of the public key component of the key.
1.1       jsing    1223: .It Fl noout
1.46      jmc      1224: Do not output the encoded version of the key.
1.1       jsing    1225: .It Fl out Ar file
1.45      jmc      1226: The output file to write to,
                   1227: or standard output if not specified.
1.1       jsing    1228: If any encryption options are set then a pass phrase will be
                   1229: prompted for.
1.45      jmc      1230: .It Fl outform Cm der | pem
                   1231: The output format.
1.1       jsing    1232: .It Fl passin Ar arg
                   1233: The key password source.
                   1234: .It Fl passout Ar arg
                   1235: The output file password source.
                   1236: .It Fl pubin
1.60      jmc      1237: Read in a public key, not a private key.
1.1       jsing    1238: .It Fl pubout
1.60      jmc      1239: Output a public key, not a private key.
                   1240: Automatically set if the input is a public key.
1.1       jsing    1241: .It Fl text
1.64      jmc      1242: Print the public/private key in plain text.
1.1       jsing    1243: .El
                   1244: .Sh DSAPARAM
                   1245: .nr nS 1
                   1246: .Nm "openssl dsaparam"
                   1247: .Op Fl C
                   1248: .Op Fl genkey
                   1249: .Op Fl in Ar file
1.46      jmc      1250: .Op Fl inform Cm der | pem
1.1       jsing    1251: .Op Fl noout
                   1252: .Op Fl out Ar file
1.46      jmc      1253: .Op Fl outform Cm der | pem
1.1       jsing    1254: .Op Fl text
                   1255: .Op Ar numbits
                   1256: .nr nS 0
                   1257: .Pp
                   1258: The
                   1259: .Nm dsaparam
                   1260: command is used to manipulate or generate DSA parameter files.
                   1261: .Pp
                   1262: The options are as follows:
                   1263: .Bl -tag -width Ds
                   1264: .It Fl C
1.46      jmc      1265: Convert the parameters into C code.
1.1       jsing    1266: The parameters can then be loaded by calling the
1.46      jmc      1267: .No get_dsa Ns Ar XXX
1.1       jsing    1268: function.
                   1269: .It Fl genkey
1.46      jmc      1270: Generate a DSA key either using the specified or generated
1.1       jsing    1271: parameters.
                   1272: .It Fl in Ar file
1.46      jmc      1273: The input file to read from,
                   1274: or standard input if not specified.
1.1       jsing    1275: If the
                   1276: .Ar numbits
1.46      jmc      1277: parameter is included, then this option is ignored.
                   1278: .It Fl inform Cm der | pem
                   1279: The input format.
1.1       jsing    1280: .It Fl noout
1.46      jmc      1281: Do not output the encoded version of the parameters.
                   1282: .It Fl out Ar file
                   1283: The output file to write to,
                   1284: or standard output if not specified.
                   1285: .It Fl outform Cm der | pem
                   1286: The output format.
                   1287: .It Fl text
1.64      jmc      1288: Print the DSA parameters in plain text.
1.1       jsing    1289: .It Ar numbits
1.46      jmc      1290: Generate a parameter set of size
1.1       jsing    1291: .Ar numbits .
1.46      jmc      1292: If this option is included, the input file is ignored.
1.1       jsing    1293: .El
                   1294: .Sh EC
                   1295: .nr nS 1
                   1296: .Nm "openssl ec"
                   1297: .Op Fl conv_form Ar arg
                   1298: .Op Fl des
                   1299: .Op Fl des3
                   1300: .Op Fl in Ar file
1.47      jmc      1301: .Op Fl inform Cm der | pem
1.1       jsing    1302: .Op Fl noout
                   1303: .Op Fl out Ar file
1.47      jmc      1304: .Op Fl outform Cm der | pem
1.1       jsing    1305: .Op Fl param_enc Ar arg
                   1306: .Op Fl param_out
                   1307: .Op Fl passin Ar arg
                   1308: .Op Fl passout Ar arg
                   1309: .Op Fl pubin
                   1310: .Op Fl pubout
                   1311: .Op Fl text
                   1312: .nr nS 0
                   1313: .Pp
                   1314: The
                   1315: .Nm ec
                   1316: command processes EC keys.
                   1317: They can be converted between various
                   1318: forms and their components printed out.
1.47      jmc      1319: .Nm openssl
1.1       jsing    1320: uses the private key format specified in
                   1321: .Dq SEC 1: Elliptic Curve Cryptography
                   1322: .Pq Lk http://www.secg.org/ .
                   1323: To convert an
                   1324: EC private key into the PKCS#8 private key format use the
                   1325: .Nm pkcs8
                   1326: command.
                   1327: .Pp
                   1328: The options are as follows:
                   1329: .Bl -tag -width Ds
                   1330: .It Fl conv_form Ar arg
1.47      jmc      1331: Specify how the points on the elliptic curve are converted
1.1       jsing    1332: into octet strings.
                   1333: Possible values are:
1.95      tb       1334: .Cm compressed ,
                   1335: .Cm uncompressed
1.47      jmc      1336: (the default),
1.1       jsing    1337: and
                   1338: .Cm hybrid .
                   1339: For more information regarding
1.47      jmc      1340: the point conversion forms see the X9.62 standard.
1.1       jsing    1341: Note:
                   1342: Due to patent issues the
                   1343: .Cm compressed
                   1344: option is disabled by default for binary curves
                   1345: and can be enabled by defining the preprocessor macro
1.47      jmc      1346: .Dv OPENSSL_EC_BIN_PT_COMP
1.1       jsing    1347: at compile time.
                   1348: .It Fl des | des3
1.47      jmc      1349: Encrypt the private key with DES, triple DES, or
1.1       jsing    1350: any other cipher supported by
1.47      jmc      1351: .Nm openssl .
1.1       jsing    1352: A pass phrase is prompted for.
                   1353: If none of these options is specified the key is written in plain text.
                   1354: This means that using the
                   1355: .Nm ec
                   1356: utility to read in an encrypted key with no
                   1357: encryption option can be used to remove the pass phrase from a key,
                   1358: or by setting the encryption options
1.83      naddy    1359: it can be used to add or change the pass phrase.
1.1       jsing    1360: These options can only be used with PEM format output files.
                   1361: .It Fl in Ar file
1.47      jmc      1362: The input file to read a key from,
                   1363: or standard input if not specified.
1.1       jsing    1364: If the key is encrypted a pass phrase will be prompted for.
1.47      jmc      1365: .It Fl inform Cm der | pem
                   1366: The input format.
1.1       jsing    1367: .It Fl noout
1.47      jmc      1368: Do not output the encoded version of the key.
1.1       jsing    1369: .It Fl out Ar file
1.47      jmc      1370: The output filename to write to,
                   1371: or standard output if not specified.
1.1       jsing    1372: If any encryption options are set then a pass phrase will be prompted for.
1.47      jmc      1373: .It Fl outform Cm der | pem
                   1374: The output format.
1.1       jsing    1375: .It Fl param_enc Ar arg
1.47      jmc      1376: Specify how the elliptic curve parameters are encoded.
1.1       jsing    1377: Possible value are:
                   1378: .Cm named_curve ,
                   1379: i.e. the EC parameters are specified by an OID; or
                   1380: .Cm explicit ,
                   1381: where the EC parameters are explicitly given
                   1382: (see RFC 3279 for the definition of the EC parameter structures).
                   1383: The default value is
                   1384: .Cm named_curve .
                   1385: Note: the
                   1386: .Cm implicitlyCA
                   1387: alternative,
                   1388: as specified in RFC 3279,
1.47      jmc      1389: is currently not implemented.
1.1       jsing    1390: .It Fl passin Ar arg
                   1391: The key password source.
                   1392: .It Fl passout Ar arg
                   1393: The output file password source.
                   1394: .It Fl pubin
1.60      jmc      1395: Read in a public key, not a private key.
1.1       jsing    1396: .It Fl pubout
1.60      jmc      1397: Output a public key, not a private key.
                   1398: Automatically set if the input is a public key.
1.1       jsing    1399: .It Fl text
1.64      jmc      1400: Print the public/private key in plain text.
1.1       jsing    1401: .El
                   1402: .Sh ECPARAM
                   1403: .nr nS 1
                   1404: .Nm "openssl ecparam"
                   1405: .Op Fl C
                   1406: .Op Fl check
                   1407: .Op Fl conv_form Ar arg
                   1408: .Op Fl genkey
                   1409: .Op Fl in Ar file
1.48      jmc      1410: .Op Fl inform Cm der | pem
1.1       jsing    1411: .Op Fl list_curves
                   1412: .Op Fl name Ar arg
                   1413: .Op Fl no_seed
                   1414: .Op Fl noout
                   1415: .Op Fl out Ar file
1.48      jmc      1416: .Op Fl outform Cm der | pem
1.1       jsing    1417: .Op Fl param_enc Ar arg
                   1418: .Op Fl text
                   1419: .nr nS 0
                   1420: .Pp
1.48      jmc      1421: The
                   1422: .Nm ecparam
                   1423: command is used to manipulate or generate EC parameter files.
                   1424: .Nm openssl
                   1425: is not able to generate new groups so
                   1426: .Nm ecparam
                   1427: can only create EC parameters from known (named) curves.
                   1428: .Pp
1.1       jsing    1429: The options are as follows:
                   1430: .Bl -tag -width Ds
                   1431: .It Fl C
                   1432: Convert the EC parameters into C code.
                   1433: The parameters can then be loaded by calling the
1.48      jmc      1434: .No get_ec_group_ Ns Ar XXX
1.1       jsing    1435: function.
                   1436: .It Fl check
                   1437: Validate the elliptic curve parameters.
                   1438: .It Fl conv_form Ar arg
                   1439: Specify how the points on the elliptic curve are converted
                   1440: into octet strings.
                   1441: Possible values are:
1.95      tb       1442: .Cm compressed ,
                   1443: .Cm uncompressed
1.48      jmc      1444: (the default),
1.1       jsing    1445: and
                   1446: .Cm hybrid .
                   1447: For more information regarding
1.48      jmc      1448: the point conversion forms see the X9.62 standard.
1.1       jsing    1449: Note:
                   1450: Due to patent issues the
                   1451: .Cm compressed
                   1452: option is disabled by default for binary curves
                   1453: and can be enabled by defining the preprocessor macro
1.48      jmc      1454: .Dv OPENSSL_EC_BIN_PT_COMP
1.1       jsing    1455: at compile time.
                   1456: .It Fl genkey
                   1457: Generate an EC private key using the specified parameters.
                   1458: .It Fl in Ar file
1.48      jmc      1459: The input file to read from,
                   1460: or standard input if not specified.
                   1461: .It Fl inform Cm der | pem
                   1462: The input format.
1.1       jsing    1463: .It Fl list_curves
1.48      jmc      1464: Print a list of all
1.1       jsing    1465: currently implemented EC parameter names and exit.
                   1466: .It Fl name Ar arg
1.48      jmc      1467: Use the EC parameters with the specified "short" name.
1.1       jsing    1468: .It Fl no_seed
1.48      jmc      1469: Do not include the seed for the parameter generation
                   1470: in the ECParameters structure (see RFC 3279).
1.1       jsing    1471: .It Fl noout
1.48      jmc      1472: Do not output the encoded version of the parameters.
1.1       jsing    1473: .It Fl out Ar file
1.48      jmc      1474: The output file to write to,
                   1475: or standard output if not specified.
                   1476: .It Fl outform Cm der | pem
                   1477: The output format.
1.1       jsing    1478: .It Fl param_enc Ar arg
1.48      jmc      1479: Specify how the elliptic curve parameters are encoded.
1.1       jsing    1480: Possible value are:
                   1481: .Cm named_curve ,
                   1482: i.e. the EC parameters are specified by an OID, or
                   1483: .Cm explicit ,
                   1484: where the EC parameters are explicitly given
                   1485: (see RFC 3279 for the definition of the EC parameter structures).
                   1486: The default value is
                   1487: .Cm named_curve .
                   1488: Note: the
                   1489: .Cm implicitlyCA
                   1490: alternative, as specified in RFC 3279,
1.48      jmc      1491: is currently not implemented.
1.1       jsing    1492: .It Fl text
1.64      jmc      1493: Print the EC parameters in plain text.
1.1       jsing    1494: .El
                   1495: .Sh ENC
                   1496: .nr nS 1
                   1497: .Nm "openssl enc"
                   1498: .Fl ciphername
                   1499: .Op Fl AadePp
                   1500: .Op Fl base64
                   1501: .Op Fl bufsize Ar number
                   1502: .Op Fl debug
                   1503: .Op Fl in Ar file
1.97      jmc      1504: .Op Fl iter Ar iterations
1.1       jsing    1505: .Op Fl iv Ar IV
                   1506: .Op Fl K Ar key
                   1507: .Op Fl k Ar password
                   1508: .Op Fl kfile Ar file
                   1509: .Op Fl md Ar digest
                   1510: .Op Fl none
                   1511: .Op Fl nopad
                   1512: .Op Fl nosalt
                   1513: .Op Fl out Ar file
                   1514: .Op Fl pass Ar arg
1.96      beck     1515: .Op Fl pbkdf2
1.1       jsing    1516: .Op Fl S Ar salt
                   1517: .Op Fl salt
                   1518: .nr nS 0
                   1519: .Pp
                   1520: The symmetric cipher commands allow data to be encrypted or decrypted
                   1521: using various block and stream ciphers using keys based on passwords
                   1522: or explicitly provided.
                   1523: Base64 encoding or decoding can also be performed either by itself
                   1524: or in addition to the encryption or decryption.
1.49      jmc      1525: The program can be called either as
                   1526: .Nm openssl Ar ciphername
                   1527: or
                   1528: .Nm openssl enc - Ns Ar ciphername .
                   1529: .Pp
                   1530: Some of the ciphers do not have large keys and others have security
                   1531: implications if not used correctly.
                   1532: All the block ciphers normally use PKCS#5 padding,
                   1533: also known as standard block padding.
                   1534: If padding is disabled, the input data must be a multiple of the cipher
                   1535: block length.
1.1       jsing    1536: .Pp
                   1537: The options are as follows:
                   1538: .Bl -tag -width Ds
                   1539: .It Fl A
                   1540: If the
                   1541: .Fl a
                   1542: option is set, then base64 process the data on one line.
                   1543: .It Fl a , base64
                   1544: Base64 process the data.
                   1545: This means that if encryption is taking place, the data is base64-encoded
                   1546: after encryption.
1.49      jmc      1547: If decryption is set, the input data is base64-decoded before
1.1       jsing    1548: being decrypted.
                   1549: .It Fl bufsize Ar number
                   1550: Set the buffer size for I/O.
                   1551: .It Fl d
                   1552: Decrypt the input data.
                   1553: .It Fl debug
                   1554: Debug the BIOs used for I/O.
                   1555: .It Fl e
1.49      jmc      1556: Encrypt the input data.
                   1557: This is the default.
1.1       jsing    1558: .It Fl in Ar file
1.49      jmc      1559: The input file to read from,
1.57      jmc      1560: or standard input if not specified.
1.97      jmc      1561: .It Fl iter Ar iterations
                   1562: Use the pbkdf2 key derivation function, with
                   1563: .Ar iterations
                   1564: as the number of iterations.
1.1       jsing    1565: .It Fl iv Ar IV
                   1566: The actual
                   1567: .Ar IV
                   1568: .Pq initialisation vector
                   1569: to use:
                   1570: this must be represented as a string comprised only of hex digits.
                   1571: When only the
                   1572: .Ar key
                   1573: is specified using the
                   1574: .Fl K
1.49      jmc      1575: option,
                   1576: the IV must explicitly be defined.
1.1       jsing    1577: When a password is being specified using one of the other options,
1.49      jmc      1578: the IV is generated from this password.
1.1       jsing    1579: .It Fl K Ar key
                   1580: The actual
                   1581: .Ar key
                   1582: to use:
                   1583: this must be represented as a string comprised only of hex digits.
1.49      jmc      1584: If only the key is specified,
                   1585: the IV must also be specified using the
1.1       jsing    1586: .Fl iv
                   1587: option.
                   1588: When both a
                   1589: .Ar key
                   1590: and a
                   1591: .Ar password
                   1592: are specified, the
                   1593: .Ar key
                   1594: given with the
                   1595: .Fl K
1.49      jmc      1596: option will be used and the IV generated from the password will be taken.
1.1       jsing    1597: It probably does not make much sense to specify both
                   1598: .Ar key
                   1599: and
                   1600: .Ar password .
                   1601: .It Fl k Ar password
                   1602: The
                   1603: .Ar password
                   1604: to derive the key from.
                   1605: Superseded by the
                   1606: .Fl pass
                   1607: option.
                   1608: .It Fl kfile Ar file
                   1609: Read the password to derive the key from the first line of
                   1610: .Ar file .
                   1611: Superseded by the
                   1612: .Fl pass
                   1613: option.
                   1614: .It Fl md Ar digest
                   1615: Use
                   1616: .Ar digest
                   1617: to create a key from a pass phrase.
                   1618: .Ar digest
                   1619: may be one of
1.49      jmc      1620: .Cm md5
1.1       jsing    1621: or
1.49      jmc      1622: .Cm sha1 .
1.1       jsing    1623: .It Fl none
                   1624: Use NULL cipher (no encryption or decryption of input).
                   1625: .It Fl nopad
                   1626: Disable standard block padding.
                   1627: .It Fl nosalt
1.49      jmc      1628: Don't use a salt in the key derivation routines.
1.81      jmc      1629: This option should never be used
1.49      jmc      1630: since it makes it possible to perform efficient dictionary
                   1631: attacks on the password and to attack stream cipher encrypted data.
1.1       jsing    1632: .It Fl out Ar file
1.51      jmc      1633: The output file to write to,
1.57      jmc      1634: or standard output if not specified.
1.1       jsing    1635: .It Fl P
1.49      jmc      1636: Print out the salt, key, and IV used, then immediately exit;
1.1       jsing    1637: don't do any encryption or decryption.
                   1638: .It Fl p
1.49      jmc      1639: Print out the salt, key, and IV used.
1.1       jsing    1640: .It Fl pass Ar arg
                   1641: The password source.
1.96      beck     1642: .It Fl pbkdf2
1.97      jmc      1643: Use the pbkdf2 key derivation function, with
1.96      beck     1644: the default of 10000 iterations.
1.1       jsing    1645: .It Fl S Ar salt
                   1646: The actual
                   1647: .Ar salt
                   1648: to use:
                   1649: this must be represented as a string comprised only of hex digits.
                   1650: .It Fl salt
1.49      jmc      1651: Use a salt in the key derivation routines (the default).
                   1652: When the salt is being used
                   1653: the first eight bytes of the encrypted data are reserved for the salt:
                   1654: it is randomly generated when encrypting a file and read from the
                   1655: encrypted file when it is decrypted.
1.1       jsing    1656: .El
                   1657: .Sh ERRSTR
                   1658: .Nm openssl errstr
                   1659: .Op Fl stats
                   1660: .Ar errno ...
                   1661: .Pp
                   1662: The
                   1663: .Nm errstr
                   1664: command performs error number to error string conversion,
                   1665: generating a human-readable string representing the error code
                   1666: .Ar errno .
                   1667: The string is obtained through the
                   1668: .Xr ERR_error_string_n 3
                   1669: function and has the following format:
                   1670: .Pp
                   1671: .Dl error:[error code]:[library name]:[function name]:[reason string]
                   1672: .Pp
                   1673: .Bq error code
                   1674: is an 8-digit hexadecimal number.
                   1675: The remaining fields
                   1676: .Bq library name ,
                   1677: .Bq function name ,
                   1678: and
                   1679: .Bq reason string
                   1680: are all ASCII text.
                   1681: .Pp
                   1682: The options are as follows:
                   1683: .Bl -tag -width Ds
                   1684: .It Fl stats
                   1685: Print debugging statistics about various aspects of the hash table.
                   1686: .El
                   1687: .Sh GENDSA
                   1688: .nr nS 1
                   1689: .Nm "openssl gendsa"
                   1690: .Oo
1.102     jmc      1691: .Fl aes128 | aes192 | aes256 | camellia128 |
                   1692: .Fl camellia192 | camellia256 | des | des3 | idea
1.1       jsing    1693: .Oc
                   1694: .Op Fl out Ar file
1.101     inoguchi 1695: .Op Fl passout Ar arg
                   1696: .Ar paramfile
1.1       jsing    1697: .nr nS 0
                   1698: .Pp
                   1699: The
                   1700: .Nm gendsa
                   1701: command generates a DSA private key from a DSA parameter file
1.51      jmc      1702: (typically generated by the
1.1       jsing    1703: .Nm openssl dsaparam
                   1704: command).
1.51      jmc      1705: DSA key generation is little more than random number generation so it is
                   1706: much quicker than,
                   1707: for example,
                   1708: RSA key generation.
1.1       jsing    1709: .Pp
                   1710: The options are as follows:
                   1711: .Bl -tag -width Ds
                   1712: .It Xo
                   1713: .Fl aes128 | aes192 | aes256 |
1.101     inoguchi 1714: .Fl camellia128 | camellia192 | camellia256 |
                   1715: .Fl des | des3 |
                   1716: .Fl idea
1.1       jsing    1717: .Xc
1.101     inoguchi 1718: Encrypt the private key with the AES, CAMELLIA, DES, triple DES
                   1719: or the IDEA ciphers, respectively, before outputting it.
1.1       jsing    1720: A pass phrase is prompted for.
                   1721: If none of these options are specified, no encryption is used.
                   1722: .It Fl out Ar file
1.51      jmc      1723: The output file to write to,
1.57      jmc      1724: or standard output if not specified.
1.101     inoguchi 1725: .It Fl passout Ar arg
                   1726: The output file password source.
1.1       jsing    1727: .It Ar paramfile
1.51      jmc      1728: Specify the DSA parameter file to use.
1.1       jsing    1729: The parameters in this file determine the size of the private key.
                   1730: .El
                   1731: .Sh GENPKEY
                   1732: .nr nS 1
                   1733: .Nm "openssl genpkey"
                   1734: .Op Fl algorithm Ar alg
                   1735: .Op Ar cipher
                   1736: .Op Fl genparam
                   1737: .Op Fl out Ar file
1.52      jmc      1738: .Op Fl outform Cm der | pem
1.1       jsing    1739: .Op Fl paramfile Ar file
                   1740: .Op Fl pass Ar arg
                   1741: .Op Fl pkeyopt Ar opt : Ns Ar value
                   1742: .Op Fl text
                   1743: .nr nS 0
                   1744: .Pp
                   1745: The
                   1746: .Nm genpkey
                   1747: command generates private keys.
                   1748: The use of this
                   1749: program is encouraged over the algorithm specific utilities
1.22      bcook    1750: because additional algorithm options can be used.
1.1       jsing    1751: .Pp
                   1752: The options are as follows:
                   1753: .Bl -tag -width Ds
                   1754: .It Fl algorithm Ar alg
                   1755: The public key algorithm to use,
                   1756: such as RSA, DSA, or DH.
1.52      jmc      1757: This option must precede any
1.1       jsing    1758: .Fl pkeyopt
                   1759: options.
                   1760: The options
                   1761: .Fl paramfile
                   1762: and
                   1763: .Fl algorithm
                   1764: are mutually exclusive.
                   1765: .It Ar cipher
                   1766: Encrypt the private key with the supplied cipher.
                   1767: Any algorithm name accepted by
1.52      jmc      1768: .Xr EVP_get_cipherbyname 3
                   1769: is acceptable.
1.1       jsing    1770: .It Fl genparam
                   1771: Generate a set of parameters instead of a private key.
1.52      jmc      1772: This option must precede any
1.1       jsing    1773: .Fl algorithm ,
                   1774: .Fl paramfile ,
                   1775: or
                   1776: .Fl pkeyopt
                   1777: options.
                   1778: .It Fl out Ar file
1.52      jmc      1779: The output file to write to,
1.57      jmc      1780: or standard output if not specified.
1.52      jmc      1781: .It Fl outform Cm der | pem
                   1782: The output format.
1.1       jsing    1783: .It Fl paramfile Ar file
1.52      jmc      1784: Some public key algorithms generate a private key based on a set of parameters,
                   1785: which can be supplied using this option.
1.1       jsing    1786: If this option is used the public key
                   1787: algorithm used is determined by the parameters.
1.52      jmc      1788: This option must precede any
1.1       jsing    1789: .Fl pkeyopt
                   1790: options.
                   1791: The options
                   1792: .Fl paramfile
                   1793: and
                   1794: .Fl algorithm
                   1795: are mutually exclusive.
                   1796: .It Fl pass Ar arg
                   1797: The output file password source.
                   1798: .It Fl pkeyopt Ar opt : Ns Ar value
                   1799: Set the public key algorithm option
                   1800: .Ar opt
                   1801: to
1.52      jmc      1802: .Ar value ,
                   1803: as follows:
1.1       jsing    1804: .Bl -tag -width Ds -offset indent
                   1805: .It rsa_keygen_bits : Ns Ar numbits
                   1806: (RSA)
                   1807: The number of bits in the generated key.
1.52      jmc      1808: The default is 2048.
1.1       jsing    1809: .It rsa_keygen_pubexp : Ns Ar value
                   1810: (RSA)
                   1811: The RSA public exponent value.
                   1812: This can be a large decimal or hexadecimal value if preceded by 0x.
1.52      jmc      1813: The default is 65537.
1.1       jsing    1814: .It dsa_paramgen_bits : Ns Ar numbits
                   1815: (DSA)
                   1816: The number of bits in the generated parameters.
1.52      jmc      1817: The default is 1024.
1.1       jsing    1818: .It dh_paramgen_prime_len : Ns Ar numbits
                   1819: (DH)
                   1820: The number of bits in the prime parameter
                   1821: .Ar p .
                   1822: .It dh_paramgen_generator : Ns Ar value
                   1823: (DH)
                   1824: The value to use for the generator
                   1825: .Ar g .
                   1826: .It ec_paramgen_curve : Ns Ar curve
                   1827: (EC)
                   1828: The EC curve to use.
                   1829: .El
1.52      jmc      1830: .It Fl text
1.64      jmc      1831: Print the private/public key in plain text.
1.52      jmc      1832: .El
1.1       jsing    1833: .Sh GENRSA
                   1834: .nr nS 1
                   1835: .Nm "openssl genrsa"
                   1836: .Op Fl 3 | f4
1.53      jmc      1837: .Op Fl aes128 | aes192 | aes256 | des | des3
1.1       jsing    1838: .Op Fl out Ar file
                   1839: .Op Fl passout Ar arg
                   1840: .Op Ar numbits
                   1841: .nr nS 0
                   1842: .Pp
                   1843: The
                   1844: .Nm genrsa
1.53      jmc      1845: command generates an RSA private key,
                   1846: which essentially involves the generation of two prime numbers.
                   1847: When generating the key,
                   1848: various symbols will be output to indicate the progress of the generation.
                   1849: A
                   1850: .Sq \&.
                   1851: represents each number which has passed an initial sieve test;
                   1852: .Sq +
                   1853: means a number has passed a single round of the Miller-Rabin primality test.
                   1854: A newline means that the number has passed all the prime tests
                   1855: (the actual number depends on the key size).
1.1       jsing    1856: .Pp
                   1857: The options are as follows:
                   1858: .Bl -tag -width Ds
                   1859: .It Fl 3 | f4
                   1860: The public exponent to use, either 3 or 65537.
                   1861: The default is 65537.
1.53      jmc      1862: .It Fl aes128 | aes192 | aes256 | des | des3
                   1863: Encrypt the private key with the AES, DES,
1.1       jsing    1864: or the triple DES ciphers, respectively, before outputting it.
                   1865: If none of these options are specified, no encryption is used.
                   1866: If encryption is used, a pass phrase is prompted for,
                   1867: if it is not supplied via the
                   1868: .Fl passout
                   1869: option.
                   1870: .It Fl out Ar file
1.53      jmc      1871: The output file to write to,
1.57      jmc      1872: or standard output if not specified.
1.1       jsing    1873: .It Fl passout Ar arg
                   1874: The output file password source.
                   1875: .It Ar numbits
                   1876: The size of the private key to generate in bits.
                   1877: This must be the last option specified.
                   1878: The default is 2048.
                   1879: .El
                   1880: .Sh NSEQ
                   1881: .Nm openssl nseq
                   1882: .Op Fl in Ar file
                   1883: .Op Fl out Ar file
                   1884: .Op Fl toseq
                   1885: .Pp
                   1886: The
                   1887: .Nm nseq
1.54      jmc      1888: command takes a file containing a Netscape certificate sequence
                   1889: (an alternative to the standard PKCS#7 format)
                   1890: and prints out the certificates contained in it,
                   1891: or takes a file of certificates
                   1892: and converts it into a Netscape certificate sequence.
                   1893: .Pp
1.1       jsing    1894: The options are as follows:
                   1895: .Bl -tag -width Ds
                   1896: .It Fl in Ar file
1.54      jmc      1897: The input file to read from,
                   1898: or standard input if not specified.
1.1       jsing    1899: .It Fl out Ar file
1.54      jmc      1900: The output file to write to,
                   1901: or standard output if not specified.
1.1       jsing    1902: .It Fl toseq
                   1903: Normally, a Netscape certificate sequence will be input and the output
                   1904: is the certificates contained in it.
                   1905: With the
                   1906: .Fl toseq
                   1907: option the situation is reversed:
                   1908: a Netscape certificate sequence is created from a file of certificates.
                   1909: .El
                   1910: .Sh OCSP
                   1911: .nr nS 1
                   1912: .Nm "openssl ocsp"
                   1913: .Op Fl CA Ar file
                   1914: .Op Fl CAfile Ar file
                   1915: .Op Fl CApath Ar directory
                   1916: .Op Fl cert Ar file
                   1917: .Op Fl dgst Ar alg
1.55      jmc      1918: .Op Fl host Ar hostname : Ns Ar port
1.1       jsing    1919: .Op Fl index Ar indexfile
                   1920: .Op Fl issuer Ar file
                   1921: .Op Fl ndays Ar days
                   1922: .Op Fl nmin Ar minutes
                   1923: .Op Fl no_cert_checks
                   1924: .Op Fl no_cert_verify
                   1925: .Op Fl no_certs
                   1926: .Op Fl no_chain
                   1927: .Op Fl no_intern
                   1928: .Op Fl no_nonce
                   1929: .Op Fl no_signature_verify
                   1930: .Op Fl nonce
                   1931: .Op Fl noverify
                   1932: .Op Fl nrequest Ar number
                   1933: .Op Fl out Ar file
                   1934: .Op Fl path Ar path
                   1935: .Op Fl port Ar portnum
                   1936: .Op Fl req_text
                   1937: .Op Fl reqin Ar file
                   1938: .Op Fl reqout Ar file
                   1939: .Op Fl resp_key_id
                   1940: .Op Fl resp_no_certs
                   1941: .Op Fl resp_text
                   1942: .Op Fl respin Ar file
                   1943: .Op Fl respout Ar file
                   1944: .Op Fl rkey Ar file
                   1945: .Op Fl rother Ar file
                   1946: .Op Fl rsigner Ar file
                   1947: .Op Fl serial Ar number
                   1948: .Op Fl sign_other Ar file
                   1949: .Op Fl signer Ar file
                   1950: .Op Fl signkey Ar file
                   1951: .Op Fl status_age Ar age
                   1952: .Op Fl text
                   1953: .Op Fl trust_other
                   1954: .Op Fl url Ar responder_url
                   1955: .Op Fl VAfile Ar file
                   1956: .Op Fl validity_period Ar nsec
                   1957: .Op Fl verify_other Ar file
                   1958: .nr nS 0
                   1959: .Pp
1.55      jmc      1960: The Online Certificate Status Protocol (OCSP)
                   1961: enables applications to determine the (revocation) state
                   1962: of an identified certificate (RFC 2560).
1.1       jsing    1963: .Pp
                   1964: The
                   1965: .Nm ocsp
                   1966: command performs many common OCSP tasks.
                   1967: It can be used to print out requests and responses,
                   1968: create requests and send queries to an OCSP responder,
                   1969: and behave like a mini OCSP server itself.
                   1970: .Pp
                   1971: The options are as follows:
                   1972: .Bl -tag -width Ds
                   1973: .It Fl CAfile Ar file , Fl CApath Ar directory
1.55      jmc      1974: A file or path containing trusted CA certificates,
                   1975: used to verify the signature on the OCSP response.
1.1       jsing    1976: .It Fl cert Ar file
                   1977: Add the certificate
                   1978: .Ar file
                   1979: to the request.
                   1980: The issuer certificate is taken from the previous
                   1981: .Fl issuer
                   1982: option, or an error occurs if no issuer certificate is specified.
                   1983: .It Fl dgst Ar alg
1.55      jmc      1984: Use the digest algorithm
                   1985: .Ar alg
                   1986: for certificate identification in the OCSP request.
1.1       jsing    1987: By default SHA-1 is used.
                   1988: .It Xo
                   1989: .Fl host Ar hostname : Ns Ar port ,
                   1990: .Fl path Ar path
                   1991: .Xc
1.55      jmc      1992: Send
                   1993: the OCSP request to
1.1       jsing    1994: .Ar hostname
1.55      jmc      1995: on
1.1       jsing    1996: .Ar port .
                   1997: .Fl path
                   1998: specifies the HTTP path name to use, or
1.55      jmc      1999: .Pa /
1.1       jsing    2000: by default.
                   2001: .It Fl issuer Ar file
1.81      jmc      2002: The current issuer certificate, in PEM format.
                   2003: Can be used multiple times and must come before any
1.1       jsing    2004: .Fl cert
                   2005: options.
                   2006: .It Fl no_cert_checks
                   2007: Don't perform any additional checks on the OCSP response signer's certificate.
                   2008: That is, do not make any checks to see if the signer's certificate is
                   2009: authorised to provide the necessary status information:
                   2010: as a result this option should only be used for testing purposes.
                   2011: .It Fl no_cert_verify
                   2012: Don't verify the OCSP response signer's certificate at all.
                   2013: Since this option allows the OCSP response to be signed by any certificate,
                   2014: it should only be used for testing purposes.
                   2015: .It Fl no_certs
1.55      jmc      2016: Don't include any certificates in the signed request.
1.1       jsing    2017: .It Fl no_chain
                   2018: Do not use certificates in the response as additional untrusted CA
                   2019: certificates.
                   2020: .It Fl no_intern
                   2021: Ignore certificates contained in the OCSP response
                   2022: when searching for the signer's certificate.
1.55      jmc      2023: The signer's certificate must be specified with either the
1.1       jsing    2024: .Fl verify_other
                   2025: or
                   2026: .Fl VAfile
                   2027: options.
                   2028: .It Fl no_signature_verify
                   2029: Don't check the signature on the OCSP response.
                   2030: Since this option tolerates invalid signatures on OCSP responses,
                   2031: it will normally only be used for testing purposes.
                   2032: .It Fl nonce , no_nonce
1.55      jmc      2033: Add an OCSP nonce extension to a request,
                   2034: or disable an OCSP nonce addition.
1.1       jsing    2035: Normally, if an OCSP request is input using the
                   2036: .Fl respin
1.55      jmc      2037: option no nonce is added:
1.1       jsing    2038: using the
                   2039: .Fl nonce
1.55      jmc      2040: option will force the addition of a nonce.
1.1       jsing    2041: If an OCSP request is being created (using the
                   2042: .Fl cert
                   2043: and
                   2044: .Fl serial
                   2045: options)
1.55      jmc      2046: a nonce is automatically added; specifying
1.1       jsing    2047: .Fl no_nonce
                   2048: overrides this.
                   2049: .It Fl noverify
1.55      jmc      2050: Don't attempt to verify the OCSP response signature or the nonce values.
                   2051: This is normally only be used for debugging
1.1       jsing    2052: since it disables all verification of the responder's certificate.
                   2053: .It Fl out Ar file
1.55      jmc      2054: Specify the output file to write to,
1.57      jmc      2055: or standard output if not specified.
1.1       jsing    2056: .It Fl req_text , resp_text , text
                   2057: Print out the text form of the OCSP request, response, or both, respectively.
                   2058: .It Fl reqin Ar file , Fl respin Ar file
                   2059: Read an OCSP request or response file from
                   2060: .Ar file .
                   2061: These options are ignored
                   2062: if an OCSP request or response creation is implied by other options
                   2063: (for example with the
                   2064: .Fl serial , cert ,
                   2065: and
                   2066: .Fl host
                   2067: options).
                   2068: .It Fl reqout Ar file , Fl respout Ar file
                   2069: Write out the DER-encoded certificate request or response to
                   2070: .Ar file .
                   2071: .It Fl serial Ar num
                   2072: Same as the
                   2073: .Fl cert
                   2074: option except the certificate with serial number
                   2075: .Ar num
                   2076: is added to the request.
                   2077: The serial number is interpreted as a decimal integer unless preceded by
                   2078: .Sq 0x .
1.55      jmc      2079: Negative integers can also be specified
                   2080: by preceding the value with a minus sign.
1.1       jsing    2081: .It Fl sign_other Ar file
                   2082: Additional certificates to include in the signed request.
                   2083: .It Fl signer Ar file , Fl signkey Ar file
                   2084: Sign the OCSP request using the certificate specified in the
                   2085: .Fl signer
                   2086: option and the private key specified by the
                   2087: .Fl signkey
                   2088: option.
                   2089: If the
                   2090: .Fl signkey
                   2091: option is not present, then the private key is read from the same file
                   2092: as the certificate.
                   2093: If neither option is specified, the OCSP request is not signed.
                   2094: .It Fl trust_other
                   2095: The certificates specified by the
                   2096: .Fl verify_other
                   2097: option should be explicitly trusted and no additional checks will be
                   2098: performed on them.
                   2099: This is useful when the complete responder certificate chain is not available
                   2100: or trusting a root CA is not appropriate.
                   2101: .It Fl url Ar responder_url
                   2102: Specify the responder URL.
                   2103: Both HTTP and HTTPS
                   2104: .Pq SSL/TLS
                   2105: URLs can be specified.
                   2106: .It Fl VAfile Ar file
1.55      jmc      2107: A file containing explicitly trusted responder certificates.
1.1       jsing    2108: Equivalent to the
                   2109: .Fl verify_other
                   2110: and
                   2111: .Fl trust_other
                   2112: options.
                   2113: .It Fl validity_period Ar nsec , Fl status_age Ar age
1.55      jmc      2114: The range of times, in seconds, which will be tolerated in an OCSP response.
                   2115: Each certificate status response includes a notBefore time
                   2116: and an optional notAfter time.
1.1       jsing    2117: The current time should fall between these two values,
                   2118: but the interval between the two times may be only a few seconds.
                   2119: In practice the OCSP responder and clients' clocks may not be precisely
                   2120: synchronised and so such a check may fail.
                   2121: To avoid this the
                   2122: .Fl validity_period
                   2123: option can be used to specify an acceptable error range in seconds,
1.55      jmc      2124: the default value being 5 minutes.
1.1       jsing    2125: .Pp
1.55      jmc      2126: If the notAfter time is omitted from a response,
                   2127: it means that new status information is immediately available.
                   2128: In this case the age of the notBefore field is checked
                   2129: to see it is not older than
1.1       jsing    2130: .Ar age
                   2131: seconds old.
                   2132: By default, this additional check is not performed.
                   2133: .It Fl verify_other Ar file
1.55      jmc      2134: A file containing additional certificates to search
                   2135: when attempting to locate the OCSP response signing certificate.
                   2136: Some responders omit the actual signer's certificate from the response,
                   2137: so this can be used to supply the necessary certificate.
1.1       jsing    2138: .El
1.55      jmc      2139: .Pp
                   2140: The options for the OCSP server are as follows:
1.1       jsing    2141: .Bl -tag -width "XXXX"
                   2142: .It Fl CA Ar file
                   2143: CA certificate corresponding to the revocation information in
                   2144: .Ar indexfile .
                   2145: .It Fl index Ar indexfile
                   2146: .Ar indexfile
1.55      jmc      2147: is a text index file in ca format
                   2148: containing certificate revocation information.
1.1       jsing    2149: .Pp
1.55      jmc      2150: If this option is specified,
1.1       jsing    2151: .Nm ocsp
1.55      jmc      2152: is in responder mode, otherwise it is in client mode.
                   2153: The requests the responder processes can be either specified on
1.1       jsing    2154: the command line (using the
                   2155: .Fl issuer
                   2156: and
                   2157: .Fl serial
                   2158: options), supplied in a file (using the
                   2159: .Fl respin
1.55      jmc      2160: option), or via external OCSP clients (if
1.1       jsing    2161: .Ar port
                   2162: or
                   2163: .Ar url
                   2164: is specified).
                   2165: .Pp
1.55      jmc      2166: If this option is present, then the
1.1       jsing    2167: .Fl CA
                   2168: and
                   2169: .Fl rsigner
                   2170: options must also be present.
                   2171: .It Fl nmin Ar minutes , Fl ndays Ar days
                   2172: Number of
                   2173: .Ar minutes
                   2174: or
                   2175: .Ar days
1.55      jmc      2176: when fresh revocation information is available:
                   2177: used in the nextUpdate field.
                   2178: If neither option is present,
                   2179: the nextUpdate field is omitted,
                   2180: meaning fresh revocation information is immediately available.
1.1       jsing    2181: .It Fl nrequest Ar number
1.55      jmc      2182: Exit after receiving
1.1       jsing    2183: .Ar number
1.55      jmc      2184: requests (the default is unlimited).
1.1       jsing    2185: .It Fl port Ar portnum
                   2186: Port to listen for OCSP requests on.
1.55      jmc      2187: May also be specified using the
1.1       jsing    2188: .Fl url
                   2189: option.
                   2190: .It Fl resp_key_id
                   2191: Identify the signer certificate using the key ID;
1.55      jmc      2192: the default is to use the subject name.
1.1       jsing    2193: .It Fl resp_no_certs
                   2194: Don't include any certificates in the OCSP response.
                   2195: .It Fl rkey Ar file
                   2196: The private key to sign OCSP responses with;
                   2197: if not present, the file specified in the
                   2198: .Fl rsigner
                   2199: option is used.
                   2200: .It Fl rother Ar file
                   2201: Additional certificates to include in the OCSP response.
                   2202: .It Fl rsigner Ar file
                   2203: The certificate to sign OCSP responses with.
                   2204: .El
                   2205: .Pp
                   2206: Initially the OCSP responder certificate is located and the signature on
                   2207: the OCSP request checked using the responder certificate's public key.
                   2208: Then a normal certificate verify is performed on the OCSP responder certificate
                   2209: building up a certificate chain in the process.
                   2210: The locations of the trusted certificates used to build the chain can be
                   2211: specified by the
                   2212: .Fl CAfile
                   2213: and
                   2214: .Fl CApath
                   2215: options or they will be looked for in the standard
1.55      jmc      2216: .Nm openssl
                   2217: certificates directory.
1.1       jsing    2218: .Pp
1.55      jmc      2219: If the initial verify fails, the OCSP verify process halts with an error.
1.1       jsing    2220: Otherwise the issuing CA certificate in the request is compared to the OCSP
                   2221: responder certificate: if there is a match then the OCSP verify succeeds.
                   2222: .Pp
                   2223: Otherwise the OCSP responder certificate's CA is checked against the issuing
                   2224: CA certificate in the request.
                   2225: If there is a match and the OCSPSigning extended key usage is present
                   2226: in the OCSP responder certificate, then the OCSP verify succeeds.
                   2227: .Pp
                   2228: Otherwise the root CA of the OCSP responder's CA is checked to see if it
                   2229: is trusted for OCSP signing.
                   2230: If it is, the OCSP verify succeeds.
                   2231: .Pp
                   2232: If none of these checks is successful, the OCSP verify fails.
                   2233: What this effectively means is that if the OCSP responder certificate is
                   2234: authorised directly by the CA it is issuing revocation information about
1.55      jmc      2235: (and it is correctly configured),
1.1       jsing    2236: then verification will succeed.
                   2237: .Pp
1.55      jmc      2238: If the OCSP responder is a global responder,
                   2239: which can give details about multiple CAs
                   2240: and has its own separate certificate chain,
                   2241: then its root CA can be trusted for OCSP signing.
1.1       jsing    2242: Alternatively, the responder certificate itself can be explicitly trusted
                   2243: with the
                   2244: .Fl VAfile
                   2245: option.
                   2246: .Sh PASSWD
                   2247: .nr nS 1
                   2248: .Nm "openssl passwd"
                   2249: .Op Fl 1 | apr1 | crypt
                   2250: .Op Fl in Ar file
                   2251: .Op Fl noverify
                   2252: .Op Fl quiet
                   2253: .Op Fl reverse
                   2254: .Op Fl salt Ar string
                   2255: .Op Fl stdin
                   2256: .Op Fl table
                   2257: .Op Ar password
                   2258: .nr nS 0
                   2259: .Pp
                   2260: The
                   2261: .Nm passwd
1.56      jmc      2262: command computes the hash of a password.
1.1       jsing    2263: .Pp
                   2264: The options are as follows:
                   2265: .Bl -tag -width Ds
                   2266: .It Fl 1
                   2267: Use the MD5 based
                   2268: .Bx
                   2269: password algorithm
1.56      jmc      2270: .Qq 1 .
1.1       jsing    2271: .It Fl apr1
                   2272: Use the
1.56      jmc      2273: .Qq apr1
1.1       jsing    2274: algorithm
1.56      jmc      2275: .Po
                   2276: Apache variant of the
1.1       jsing    2277: .Bx
1.56      jmc      2278: algorithm
                   2279: .Pc .
1.1       jsing    2280: .It Fl crypt
                   2281: Use the
1.56      jmc      2282: .Qq crypt
                   2283: algorithm (the default).
1.1       jsing    2284: .It Fl in Ar file
                   2285: Read passwords from
                   2286: .Ar file .
                   2287: .It Fl noverify
                   2288: Don't verify when reading a password from the terminal.
                   2289: .It Fl quiet
                   2290: Don't output warnings when passwords given on the command line are truncated.
                   2291: .It Fl reverse
                   2292: Switch table columns.
                   2293: This only makes sense in conjunction with the
                   2294: .Fl table
                   2295: option.
                   2296: .It Fl salt Ar string
1.56      jmc      2297: Use the salt specified by
                   2298: .Ar string .
1.1       jsing    2299: When reading a password from the terminal, this implies
                   2300: .Fl noverify .
                   2301: .It Fl stdin
1.56      jmc      2302: Read passwords from standard input.
1.1       jsing    2303: .It Fl table
                   2304: In the output list, prepend the cleartext password and a TAB character
                   2305: to each password hash.
                   2306: .El
                   2307: .Sh PKCS7
                   2308: .nr nS 1
                   2309: .Nm "openssl pkcs7"
                   2310: .Op Fl in Ar file
1.57      jmc      2311: .Op Fl inform Cm der | pem
1.1       jsing    2312: .Op Fl noout
                   2313: .Op Fl out Ar file
1.57      jmc      2314: .Op Fl outform Cm der | pem
1.1       jsing    2315: .Op Fl print_certs
                   2316: .Op Fl text
                   2317: .nr nS 0
                   2318: .Pp
                   2319: The
                   2320: .Nm pkcs7
                   2321: command processes PKCS#7 files in DER or PEM format.
1.57      jmc      2322: The PKCS#7 routines only understand PKCS#7 v 1.5 as specified in RFC 2315.
                   2323: .Pp
1.1       jsing    2324: The options are as follows:
                   2325: .Bl -tag -width Ds
                   2326: .It Fl in Ar file
1.57      jmc      2327: The input file to read from,
                   2328: or standard input if not specified.
                   2329: .It Fl inform Cm der | pem
                   2330: The input format.
1.1       jsing    2331: .It Fl noout
                   2332: Don't output the encoded version of the PKCS#7 structure
                   2333: (or certificates if
                   2334: .Fl print_certs
                   2335: is set).
                   2336: .It Fl out Ar file
1.57      jmc      2337: The output to write to,
                   2338: or standard output if not specified.
                   2339: .It Fl outform Cm der | pem
                   2340: The output format.
1.1       jsing    2341: .It Fl print_certs
1.57      jmc      2342: Print any certificates or CRLs contained in the file,
                   2343: preceded by their subject and issuer names in a one-line format.
1.1       jsing    2344: .It Fl text
1.57      jmc      2345: Print certificate details in full rather than just subject and issuer names.
1.1       jsing    2346: .El
                   2347: .Sh PKCS8
                   2348: .nr nS 1
                   2349: .Nm "openssl pkcs8"
                   2350: .Op Fl in Ar file
1.58      jmc      2351: .Op Fl inform Cm der | pem
1.1       jsing    2352: .Op Fl nocrypt
                   2353: .Op Fl noiter
                   2354: .Op Fl out Ar file
1.58      jmc      2355: .Op Fl outform Cm der | pem
1.1       jsing    2356: .Op Fl passin Ar arg
                   2357: .Op Fl passout Ar arg
                   2358: .Op Fl topk8
                   2359: .Op Fl v1 Ar alg
                   2360: .Op Fl v2 Ar alg
                   2361: .nr nS 0
                   2362: .Pp
                   2363: The
                   2364: .Nm pkcs8
1.58      jmc      2365: command processes private keys
                   2366: (both encrypted and unencrypted)
                   2367: in PKCS#8 format
                   2368: with a variety of PKCS#5 (v1.5 and v2.0) and PKCS#12 algorithms.
                   2369: The default encryption is only 56 bits;
                   2370: keys encrypted using PKCS#5 v2.0 algorithms and high iteration counts
                   2371: are more secure.
                   2372: .Pp
1.1       jsing    2373: The options are as follows:
                   2374: .Bl -tag -width Ds
                   2375: .It Fl in Ar file
1.58      jmc      2376: The input file to read from,
                   2377: or standard input if not specified.
1.1       jsing    2378: If the key is encrypted, a pass phrase will be prompted for.
1.58      jmc      2379: .It Fl inform Cm der | pem
                   2380: The input format.
1.1       jsing    2381: .It Fl nocrypt
1.58      jmc      2382: Generate an unencrypted PrivateKeyInfo structure.
                   2383: This option does not encrypt private keys at all
                   2384: and should only be used when absolutely necessary.
1.1       jsing    2385: .It Fl noiter
                   2386: Use an iteration count of 1.
                   2387: See the
                   2388: .Sx PKCS12
                   2389: section below for a detailed explanation of this option.
                   2390: .It Fl out Ar file
1.58      jmc      2391: The output file to write to,
                   2392: or standard output if none is specified.
1.1       jsing    2393: If any encryption options are set, a pass phrase will be prompted for.
1.58      jmc      2394: .It Fl outform Cm der | pem
                   2395: The output format.
1.1       jsing    2396: .It Fl passin Ar arg
                   2397: The key password source.
                   2398: .It Fl passout Ar arg
                   2399: The output file password source.
                   2400: .It Fl topk8
1.58      jmc      2401: Read a traditional format private key and write a PKCS#8 format key.
1.1       jsing    2402: .It Fl v1 Ar alg
1.58      jmc      2403: Specify a PKCS#5 v1.5 or PKCS#12 algorithm to use.
                   2404: .Pp
                   2405: .Bl -tag -width "XXXX" -compact
                   2406: .It PBE-MD5-DES
                   2407: 56-bit DES.
                   2408: .It PBE-SHA1-RC2-64 | PBE-MD5-RC2-64 | PBE-SHA1-DES
                   2409: 64-bit RC2 or 56-bit DES.
                   2410: .It PBE-SHA1-RC4-128 | PBE-SHA1-RC4-40 | PBE-SHA1-3DES
                   2411: .It PBE-SHA1-2DES | PBE-SHA1-RC2-128 | PBE-SHA1-RC2-40
                   2412: PKCS#12 password-based encryption algorithm,
                   2413: which allow strong encryption algorithms like triple DES or 128-bit RC2.
                   2414: .El
1.1       jsing    2415: .It Fl v2 Ar alg
1.58      jmc      2416: Use PKCS#5 v2.0 algorithms.
                   2417: Supports algorithms such as 168-bit triple DES or 128-bit RC2,
                   2418: however not many implementations support PKCS#5 v2.0 yet
                   2419: (if using private keys with
                   2420: .Nm openssl
                   2421: this doesn't matter).
1.1       jsing    2422: .Pp
                   2423: .Ar alg
1.58      jmc      2424: is the encryption algorithm to use;
                   2425: valid values include des, des3, and rc2.
                   2426: It is recommended that des3 is used.
1.1       jsing    2427: .El
                   2428: .Sh PKCS12
                   2429: .nr nS 1
                   2430: .Nm "openssl pkcs12"
1.59      jmc      2431: .Op Fl aes128 | aes192 | aes256 | des | des3
1.1       jsing    2432: .Op Fl cacerts
                   2433: .Op Fl CAfile Ar file
                   2434: .Op Fl caname Ar name
                   2435: .Op Fl CApath Ar directory
                   2436: .Op Fl certfile Ar file
                   2437: .Op Fl certpbe Ar alg
                   2438: .Op Fl chain
                   2439: .Op Fl clcerts
                   2440: .Op Fl CSP Ar name
                   2441: .Op Fl descert
                   2442: .Op Fl export
                   2443: .Op Fl in Ar file
                   2444: .Op Fl info
                   2445: .Op Fl inkey Ar file
                   2446: .Op Fl keyex
                   2447: .Op Fl keypbe Ar alg
                   2448: .Op Fl keysig
                   2449: .Op Fl macalg Ar alg
                   2450: .Op Fl maciter
                   2451: .Op Fl name Ar name
                   2452: .Op Fl nocerts
                   2453: .Op Fl nodes
                   2454: .Op Fl noiter
                   2455: .Op Fl nokeys
                   2456: .Op Fl nomac
                   2457: .Op Fl nomaciter
                   2458: .Op Fl nomacver
                   2459: .Op Fl noout
                   2460: .Op Fl out Ar file
                   2461: .Op Fl passin Ar arg
                   2462: .Op Fl passout Ar arg
                   2463: .Op Fl twopass
                   2464: .nr nS 0
                   2465: .Pp
                   2466: The
                   2467: .Nm pkcs12
                   2468: command allows PKCS#12 files
                   2469: .Pq sometimes referred to as PFX files
                   2470: to be created and parsed.
                   2471: By default, a PKCS#12 file is parsed;
                   2472: a PKCS#12 file can be created by using the
                   2473: .Fl export
1.59      jmc      2474: option.
                   2475: .Pp
                   2476: The options for parsing a PKCS12 file are as follows:
1.1       jsing    2477: .Bl -tag -width "XXXX"
1.59      jmc      2478: .It Fl aes128 | aes192 | aes256 | des | des3
                   2479: Encrypt private keys
                   2480: using AES, DES, or triple DES, respectively.
1.1       jsing    2481: The default is triple DES.
                   2482: .It Fl cacerts
                   2483: Only output CA certificates
                   2484: .Pq not client certificates .
                   2485: .It Fl clcerts
                   2486: Only output client certificates
                   2487: .Pq not CA certificates .
                   2488: .It Fl in Ar file
1.59      jmc      2489: The input file to read from,
                   2490: or standard input if not specified.
1.1       jsing    2491: .It Fl info
                   2492: Output additional information about the PKCS#12 file structure,
                   2493: algorithms used, and iteration counts.
                   2494: .It Fl nocerts
1.59      jmc      2495: Do not output certificates.
1.1       jsing    2496: .It Fl nodes
1.59      jmc      2497: Do not encrypt private keys.
1.1       jsing    2498: .It Fl nokeys
1.59      jmc      2499: Do not output private keys.
1.1       jsing    2500: .It Fl nomacver
1.59      jmc      2501: Do not attempt to verify the integrity MAC before reading the file.
1.1       jsing    2502: .It Fl noout
1.59      jmc      2503: Do not output the keys and certificates to the output file
1.1       jsing    2504: version of the PKCS#12 file.
                   2505: .It Fl out Ar file
1.59      jmc      2506: The output file to write to,
                   2507: or standard output if not specified.
1.1       jsing    2508: .It Fl passin Ar arg
                   2509: The key password source.
                   2510: .It Fl passout Ar arg
                   2511: The output file password source.
                   2512: .It Fl twopass
                   2513: Prompt for separate integrity and encryption passwords: most software
                   2514: always assumes these are the same so this option will render such
                   2515: PKCS#12 files unreadable.
                   2516: .El
1.59      jmc      2517: .Pp
                   2518: The options for PKCS12 file creation are as follows:
1.1       jsing    2519: .Bl -tag -width "XXXX"
                   2520: .It Fl CAfile Ar file
                   2521: CA storage as a file.
                   2522: .It Fl CApath Ar directory
                   2523: CA storage as a directory.
1.59      jmc      2524: The directory must be a standard certificate directory:
1.1       jsing    2525: that is, a hash of each subject name (using
1.59      jmc      2526: .Nm x509 Fl hash )
1.1       jsing    2527: should be linked to each certificate.
                   2528: .It Fl caname Ar name
1.59      jmc      2529: Specify the
1.1       jsing    2530: .Qq friendly name
                   2531: for other certificates.
1.59      jmc      2532: May be used multiple times to specify names for all certificates
1.1       jsing    2533: in the order they appear.
                   2534: .It Fl certfile Ar file
                   2535: A file to read additional certificates from.
                   2536: .It Fl certpbe Ar alg , Fl keypbe Ar alg
1.59      jmc      2537: Specify the algorithm used to encrypt the private key and
1.1       jsing    2538: certificates to be selected.
1.59      jmc      2539: Any PKCS#5 v1.5 or PKCS#12 PBE algorithm name can be used.
1.1       jsing    2540: If a cipher name
                   2541: (as output by the
                   2542: .Cm list-cipher-algorithms
                   2543: command) is specified then it
                   2544: is used with PKCS#5 v2.0.
                   2545: For interoperability reasons it is advisable to only use PKCS#12 algorithms.
                   2546: .It Fl chain
1.59      jmc      2547: Include the entire certificate chain of the user certificate.
1.1       jsing    2548: The standard CA store is used for this search.
                   2549: If the search fails, it is considered a fatal error.
                   2550: .It Fl CSP Ar name
                   2551: Write
                   2552: .Ar name
                   2553: as a Microsoft CSP name.
                   2554: .It Fl descert
                   2555: Encrypt the certificate using triple DES; this may render the PKCS#12
                   2556: file unreadable by some
                   2557: .Qq export grade
                   2558: software.
                   2559: By default, the private key is encrypted using triple DES and the
                   2560: certificate using 40-bit RC2.
                   2561: .It Fl export
1.59      jmc      2562: Create a PKCS#12 file (rather than parsing one).
1.1       jsing    2563: .It Fl in Ar file
1.59      jmc      2564: The input file to read from,
1.81      jmc      2565: or standard input if not specified.
1.1       jsing    2566: The order doesn't matter but one private key and its corresponding
                   2567: certificate should be present.
                   2568: If additional certificates are present, they will also be included
                   2569: in the PKCS#12 file.
                   2570: .It Fl inkey Ar file
1.59      jmc      2571: File to read a private key from.
1.1       jsing    2572: If not present, a private key must be present in the input file.
                   2573: .It Fl keyex | keysig
1.59      jmc      2574: Specify whether the private key is to be used for key exchange or just signing.
1.1       jsing    2575: Normally,
                   2576: .Qq export grade
                   2577: software will only allow 512-bit RSA keys to be
                   2578: used for encryption purposes, but arbitrary length keys for signing.
                   2579: The
                   2580: .Fl keysig
                   2581: option marks the key for signing only.
                   2582: Signing only keys can be used for S/MIME signing, authenticode
1.66      jmc      2583: (ActiveX control signing)
1.59      jmc      2584: and SSL client authentication.
1.1       jsing    2585: .It Fl macalg Ar alg
                   2586: Specify the MAC digest algorithm.
1.59      jmc      2587: The default is SHA1.
1.1       jsing    2588: .It Fl maciter
1.66      jmc      2589: Included for compatibility only:
1.59      jmc      2590: it used to be needed to use MAC iterations counts
                   2591: but they are now used by default.
1.1       jsing    2592: .It Fl name Ar name
1.59      jmc      2593: Specify the
1.1       jsing    2594: .Qq friendly name
                   2595: for the certificate and private key.
                   2596: This name is typically displayed in list boxes by software importing the file.
                   2597: .It Fl nomac
                   2598: Don't attempt to provide the MAC integrity.
                   2599: .It Fl nomaciter , noiter
1.59      jmc      2600: Affect the iteration counts on the MAC and key algorithms.
1.1       jsing    2601: .Pp
                   2602: To discourage attacks by using large dictionaries of common passwords,
                   2603: the algorithm that derives keys from passwords can have an iteration count
                   2604: applied to it: this causes a certain part of the algorithm to be repeated
                   2605: and slows it down.
                   2606: The MAC is used to check the file integrity but since it will normally
                   2607: have the same password as the keys and certificates it could also be attacked.
                   2608: By default, both MAC and encryption iteration counts are set to 2048;
                   2609: using these options the MAC and encryption iteration counts can be set to 1.
                   2610: Since this reduces the file security you should not use these options
                   2611: unless you really have to.
                   2612: Most software supports both MAC and key iteration counts.
                   2613: .It Fl out Ar file
1.59      jmc      2614: The output file to write to,
                   2615: or standard output if not specified.
1.1       jsing    2616: .It Fl passin Ar arg
                   2617: The key password source.
                   2618: .It Fl passout Ar arg
                   2619: The output file password source.
                   2620: .El
                   2621: .Sh PKEY
                   2622: .nr nS 1
                   2623: .Nm "openssl pkey"
                   2624: .Op Ar cipher
                   2625: .Op Fl in Ar file
1.60      jmc      2626: .Op Fl inform Cm der | pem
1.1       jsing    2627: .Op Fl noout
                   2628: .Op Fl out Ar file
1.60      jmc      2629: .Op Fl outform Cm der | pem
1.1       jsing    2630: .Op Fl passin Ar arg
                   2631: .Op Fl passout Ar arg
                   2632: .Op Fl pubin
                   2633: .Op Fl pubout
                   2634: .Op Fl text
                   2635: .Op Fl text_pub
                   2636: .nr nS 0
                   2637: .Pp
                   2638: The
                   2639: .Nm pkey
                   2640: command processes public or private keys.
                   2641: They can be converted between various forms
                   2642: and their components printed out.
                   2643: .Pp
                   2644: The options are as follows:
                   2645: .Bl -tag -width Ds
                   2646: .It Ar cipher
1.60      jmc      2647: Encrypt the private key with the specified cipher.
1.1       jsing    2648: Any algorithm name accepted by
1.60      jmc      2649: .Xr EVP_get_cipherbyname 3
1.1       jsing    2650: is acceptable, such as
                   2651: .Cm des3 .
                   2652: .It Fl in Ar file
1.60      jmc      2653: The input file to read from,
                   2654: or standard input if not specified.
1.1       jsing    2655: If the key is encrypted a pass phrase will be prompted for.
1.60      jmc      2656: .It Fl inform Cm der | pem
                   2657: The input format.
1.1       jsing    2658: .It Fl noout
                   2659: Do not output the encoded version of the key.
                   2660: .It Fl out Ar file
1.60      jmc      2661: The output file to write to,
                   2662: or standard output if not specified.
1.1       jsing    2663: If any encryption options are set then a pass phrase
                   2664: will be prompted for.
1.60      jmc      2665: .It Fl outform Cm der | pem
                   2666: The output format.
1.1       jsing    2667: .It Fl passin Ar arg
                   2668: The key password source.
                   2669: .It Fl passout Ar arg
                   2670: The output file password source.
                   2671: .It Fl pubin
1.60      jmc      2672: Read in a public key, not a private key.
1.1       jsing    2673: .It Fl pubout
1.60      jmc      2674: Output a public key, not a private key.
                   2675: Automatically set if the input is a public key.
1.1       jsing    2676: .It Fl text
1.64      jmc      2677: Print the public/private key in plain text.
1.1       jsing    2678: .It Fl text_pub
                   2679: Print out only public key components
                   2680: even if a private key is being processed.
                   2681: .El
                   2682: .Sh PKEYPARAM
                   2683: .Cm openssl pkeyparam
                   2684: .Op Fl in Ar file
                   2685: .Op Fl noout
                   2686: .Op Fl out Ar file
                   2687: .Op Fl text
                   2688: .Pp
                   2689: The
1.61      jmc      2690: .Nm pkeyparam
1.1       jsing    2691: command processes public or private keys.
1.61      jmc      2692: The key type is determined by the PEM headers.
1.1       jsing    2693: .Pp
                   2694: The options are as follows:
                   2695: .Bl -tag -width Ds
                   2696: .It Fl in Ar file
1.61      jmc      2697: The input file to read from,
                   2698: or standard input if not specified.
1.1       jsing    2699: .It Fl noout
                   2700: Do not output the encoded version of the parameters.
                   2701: .It Fl out Ar file
1.61      jmc      2702: The output file to write to,
                   2703: or standard output if not specified.
1.1       jsing    2704: .It Fl text
1.64      jmc      2705: Print the parameters in plain text.
1.1       jsing    2706: .El
                   2707: .Sh PKEYUTL
                   2708: .nr nS 1
                   2709: .Nm "openssl pkeyutl"
                   2710: .Op Fl asn1parse
                   2711: .Op Fl certin
                   2712: .Op Fl decrypt
                   2713: .Op Fl derive
                   2714: .Op Fl encrypt
                   2715: .Op Fl hexdump
                   2716: .Op Fl in Ar file
                   2717: .Op Fl inkey Ar file
1.62      jmc      2718: .Op Fl keyform Cm der | pem
1.1       jsing    2719: .Op Fl out Ar file
                   2720: .Op Fl passin Ar arg
1.62      jmc      2721: .Op Fl peerform Cm der | pem
1.1       jsing    2722: .Op Fl peerkey Ar file
                   2723: .Op Fl pkeyopt Ar opt : Ns Ar value
                   2724: .Op Fl pubin
                   2725: .Op Fl rev
                   2726: .Op Fl sigfile Ar file
                   2727: .Op Fl sign
                   2728: .Op Fl verify
                   2729: .Op Fl verifyrecover
                   2730: .nr nS 0
                   2731: .Pp
                   2732: The
                   2733: .Nm pkeyutl
                   2734: command can be used to perform public key operations using
                   2735: any supported algorithm.
                   2736: .Pp
                   2737: The options are as follows:
                   2738: .Bl -tag -width Ds
                   2739: .It Fl asn1parse
1.84      jmc      2740: ASN.1 parse the output data.
1.1       jsing    2741: This is useful when combined with the
                   2742: .Fl verifyrecover
1.84      jmc      2743: option when an ASN.1 structure is signed.
1.1       jsing    2744: .It Fl certin
                   2745: The input is a certificate containing a public key.
                   2746: .It Fl decrypt
                   2747: Decrypt the input data using a private key.
                   2748: .It Fl derive
                   2749: Derive a shared secret using the peer key.
                   2750: .It Fl encrypt
                   2751: Encrypt the input data using a public key.
                   2752: .It Fl hexdump
                   2753: Hex dump the output data.
                   2754: .It Fl in Ar file
1.62      jmc      2755: The input file to read from,
                   2756: or standard input if not specified.
1.1       jsing    2757: .It Fl inkey Ar file
                   2758: The input key file.
                   2759: By default it should be a private key.
1.62      jmc      2760: .It Fl keyform Cm der | pem
                   2761: The key format.
1.1       jsing    2762: .It Fl out Ar file
1.62      jmc      2763: The output file to write to,
                   2764: or standard output if not specified.
1.1       jsing    2765: .It Fl passin Ar arg
                   2766: The key password source.
1.62      jmc      2767: .It Fl peerform Cm der | pem
                   2768: The peer key format.
1.1       jsing    2769: .It Fl peerkey Ar file
                   2770: The peer key file, used by key derivation (agreement) operations.
                   2771: .It Fl pkeyopt Ar opt : Ns Ar value
1.62      jmc      2772: Set the public key algorithm option
                   2773: .Ar opt
                   2774: to
                   2775: .Ar value .
                   2776: Unless otherwise mentioned, all algorithms support the format
                   2777: .Ar digest : Ns Ar alg ,
                   2778: which specifies the digest to use
1.1       jsing    2779: for sign, verify, and verifyrecover operations.
                   2780: The value
                   2781: .Ar alg
                   2782: should represent a digest name as used in the
1.62      jmc      2783: .Xr EVP_get_digestbyname 3
                   2784: function.
                   2785: .Pp
1.1       jsing    2786: The RSA algorithm supports the
                   2787: encrypt, decrypt, sign, verify, and verifyrecover operations in general.
                   2788: Some padding modes only support some of these
                   2789: operations however.
                   2790: .Bl -tag -width Ds
                   2791: .It rsa_padding_mode : Ns Ar mode
                   2792: This sets the RSA padding mode.
                   2793: Acceptable values for
                   2794: .Ar mode
                   2795: are
                   2796: .Cm pkcs1
                   2797: for PKCS#1 padding;
                   2798: .Cm none
                   2799: for no padding;
                   2800: .Cm oaep
                   2801: for OAEP mode;
                   2802: .Cm x931
                   2803: for X9.31 mode;
                   2804: and
                   2805: .Cm pss
                   2806: for PSS.
                   2807: .Pp
                   2808: In PKCS#1 padding if the message digest is not set then the supplied data is
                   2809: signed or verified directly instead of using a DigestInfo structure.
                   2810: If a digest is set then a DigestInfo
                   2811: structure is used and its length
                   2812: must correspond to the digest type.
                   2813: For oeap mode only encryption and decryption is supported.
                   2814: For x931 if the digest type is set it is used to format the block data;
                   2815: otherwise the first byte is used to specify the X9.31 digest ID.
                   2816: Sign, verify, and verifyrecover can be performed in this mode.
                   2817: For pss mode only sign and verify are supported and the digest type must be
                   2818: specified.
                   2819: .It rsa_pss_saltlen : Ns Ar len
                   2820: For pss
                   2821: mode only this option specifies the salt length.
                   2822: Two special values are supported:
                   2823: -1 sets the salt length to the digest length.
                   2824: When signing -2 sets the salt length to the maximum permissible value.
                   2825: When verifying -2 causes the salt length to be automatically determined
                   2826: based on the PSS block structure.
                   2827: .El
1.62      jmc      2828: .Pp
1.1       jsing    2829: The DSA algorithm supports the sign and verify operations.
                   2830: Currently there are no additional options other than
                   2831: .Ar digest .
                   2832: Only the SHA1 digest can be used and this digest is assumed by default.
1.62      jmc      2833: .Pp
1.1       jsing    2834: The DH algorithm supports the derive operation
                   2835: and no additional options.
1.62      jmc      2836: .Pp
1.1       jsing    2837: The EC algorithm supports the sign, verify, and derive operations.
                   2838: The sign and verify operations use ECDSA and derive uses ECDH.
                   2839: Currently there are no additional options other than
                   2840: .Ar digest .
                   2841: Only the SHA1 digest can be used and this digest is assumed by default.
1.62      jmc      2842: .It Fl pubin
                   2843: The input file is a public key.
                   2844: .It Fl rev
                   2845: Reverse the order of the input buffer.
                   2846: .It Fl sigfile Ar file
                   2847: Signature file (verify operation only).
                   2848: .It Fl sign
                   2849: Sign the input data and output the signed result.
                   2850: This requires a private key.
                   2851: .It Fl verify
                   2852: Verify the input data against the signature file and indicate if the
                   2853: verification succeeded or failed.
                   2854: .It Fl verifyrecover
                   2855: Verify the input data and output the recovered data.
                   2856: .El
1.1       jsing    2857: .Sh PRIME
                   2858: .Cm openssl prime
                   2859: .Op Fl bits Ar n
                   2860: .Op Fl checks Ar n
                   2861: .Op Fl generate
                   2862: .Op Fl hex
                   2863: .Op Fl safe
                   2864: .Ar p
                   2865: .Pp
                   2866: The
                   2867: .Nm prime
                   2868: command is used to generate prime numbers,
                   2869: or to check numbers for primality.
                   2870: Results are probabilistic:
                   2871: they have an exceedingly high likelihood of being correct,
                   2872: but are not guaranteed.
                   2873: .Pp
                   2874: The options are as follows:
                   2875: .Bl -tag -width Ds
                   2876: .It Fl bits Ar n
                   2877: Specify the number of bits in the generated prime number.
                   2878: Must be used in conjunction with
                   2879: .Fl generate .
                   2880: .It Fl checks Ar n
                   2881: Perform a Miller-Rabin probabilistic primality test with
                   2882: .Ar n
                   2883: iterations.
                   2884: The default is 20.
                   2885: .It Fl generate
                   2886: Generate a pseudo-random prime number.
                   2887: Must be used in conjunction with
                   2888: .Fl bits .
                   2889: .It Fl hex
                   2890: Output in hex format.
                   2891: .It Fl safe
                   2892: Generate only
                   2893: .Qq safe
                   2894: prime numbers
                   2895: (i.e. a prime p so that (p-1)/2 is also prime).
                   2896: .It Ar p
                   2897: Test if number
                   2898: .Ar p
                   2899: is prime.
                   2900: .El
                   2901: .Sh RAND
                   2902: .nr nS 1
                   2903: .Nm "openssl rand"
                   2904: .Op Fl base64
                   2905: .Op Fl hex
                   2906: .Op Fl out Ar file
                   2907: .Ar num
                   2908: .nr nS 0
                   2909: .Pp
                   2910: The
                   2911: .Nm rand
                   2912: command outputs
                   2913: .Ar num
                   2914: pseudo-random bytes.
                   2915: .Pp
                   2916: The options are as follows:
                   2917: .Bl -tag -width Ds
                   2918: .It Fl base64
1.81      jmc      2919: Perform base64 encoding on the output.
1.1       jsing    2920: .It Fl hex
                   2921: Specify hexadecimal output.
                   2922: .It Fl out Ar file
1.63      jmc      2923: The output file to write to,
                   2924: or standard output if not specified.
1.1       jsing    2925: .El
                   2926: .Sh REQ
                   2927: .nr nS 1
                   2928: .Nm "openssl req"
                   2929: .Op Fl asn1-kludge
                   2930: .Op Fl batch
                   2931: .Op Fl config Ar file
                   2932: .Op Fl days Ar n
                   2933: .Op Fl extensions Ar section
                   2934: .Op Fl in Ar file
1.63      jmc      2935: .Op Fl inform Cm der | pem
1.1       jsing    2936: .Op Fl key Ar keyfile
1.63      jmc      2937: .Op Fl keyform Cm der | pem
1.1       jsing    2938: .Op Fl keyout Ar file
1.28      doug     2939: .Op Fl md4 | md5 | sha1
1.1       jsing    2940: .Op Fl modulus
                   2941: .Op Fl nameopt Ar option
                   2942: .Op Fl new
                   2943: .Op Fl newhdr
                   2944: .Op Fl newkey Ar arg
                   2945: .Op Fl no-asn1-kludge
                   2946: .Op Fl nodes
                   2947: .Op Fl noout
                   2948: .Op Fl out Ar file
1.63      jmc      2949: .Op Fl outform Cm der | pem
1.1       jsing    2950: .Op Fl passin Ar arg
                   2951: .Op Fl passout Ar arg
                   2952: .Op Fl pubkey
                   2953: .Op Fl reqexts Ar section
                   2954: .Op Fl reqopt Ar option
                   2955: .Op Fl set_serial Ar n
                   2956: .Op Fl subj Ar arg
                   2957: .Op Fl subject
                   2958: .Op Fl text
                   2959: .Op Fl utf8
                   2960: .Op Fl verbose
                   2961: .Op Fl verify
                   2962: .Op Fl x509
                   2963: .nr nS 0
                   2964: .Pp
                   2965: The
                   2966: .Nm req
                   2967: command primarily creates and processes certificate requests
                   2968: in PKCS#10 format.
                   2969: It can additionally create self-signed certificates,
                   2970: for use as root CAs, for example.
                   2971: .Pp
                   2972: The options are as follows:
                   2973: .Bl -tag -width Ds
                   2974: .It Fl asn1-kludge
1.63      jmc      2975: Produce requests in an invalid format for certain picky CAs.
                   2976: Very few CAs still require the use of this option.
1.1       jsing    2977: .It Fl batch
                   2978: Non-interactive mode.
                   2979: .It Fl config Ar file
1.63      jmc      2980: Specify an alternative configuration file.
1.1       jsing    2981: .It Fl days Ar n
1.63      jmc      2982: Specify the number of days to certify the certificate for.
                   2983: The default is 30 days.
                   2984: Used with the
1.1       jsing    2985: .Fl x509
1.63      jmc      2986: option.
1.1       jsing    2987: .It Fl extensions Ar section , Fl reqexts Ar section
1.63      jmc      2988: Specify alternative sections to include certificate
                   2989: extensions (with
                   2990: .Fl x509 )
                   2991: or certificate request extensions,
                   2992: allowing several different sections to be used in the same configuration file.
1.1       jsing    2993: .It Fl in Ar file
1.63      jmc      2994: The input file to read a request from,
                   2995: or standard input if not specified.
1.1       jsing    2996: A request is only read if the creation options
                   2997: .Fl new
                   2998: and
                   2999: .Fl newkey
                   3000: are not specified.
1.63      jmc      3001: .It Fl inform Cm der | pem
                   3002: The input format.
1.1       jsing    3003: .It Fl key Ar keyfile
1.63      jmc      3004: The file to read the private key from.
1.1       jsing    3005: It also accepts PKCS#8 format private keys for PEM format files.
1.63      jmc      3006: .It Fl keyform Cm der | pem
1.1       jsing    3007: The format of the private key file specified in the
                   3008: .Fl key
                   3009: argument.
1.81      jmc      3010: The default is
                   3011: .Cm pem .
1.1       jsing    3012: .It Fl keyout Ar file
1.63      jmc      3013: The file to write the newly created private key to.
                   3014: If this option is not specified,
                   3015: the filename present in the configuration file is used.
1.4       sthen    3016: .It Fl md5 | sha1 | sha256
1.63      jmc      3017: The message digest to sign the request with.
1.1       jsing    3018: This overrides the digest algorithm specified in the configuration file.
                   3019: .Pp
                   3020: Some public key algorithms may override this choice.
                   3021: For instance, DSA signatures always use SHA1.
                   3022: .It Fl modulus
1.63      jmc      3023: Print the value of the modulus of the public key contained in the request.
1.1       jsing    3024: .It Fl nameopt Ar option , Fl reqopt Ar option
1.63      jmc      3025: Determine how the subject or issuer names are displayed.
1.1       jsing    3026: .Ar option
1.63      jmc      3027: can be a single option or multiple options separated by commas.
1.1       jsing    3028: Alternatively, these options may be used more than once to set multiple options.
                   3029: See the
                   3030: .Sx X509
                   3031: section below for details.
                   3032: .It Fl new
1.63      jmc      3033: Generate a new certificate request.
                   3034: The user is prompted for the relevant field values.
1.1       jsing    3035: The actual fields prompted for and their maximum and minimum sizes
                   3036: are specified in the configuration file and any requested extensions.
                   3037: .Pp
                   3038: If the
                   3039: .Fl key
                   3040: option is not used, it will generate a new RSA private
                   3041: key using information specified in the configuration file.
                   3042: .It Fl newhdr
1.63      jmc      3043: Add the word NEW to the PEM file header and footer lines
1.1       jsing    3044: on the outputed request.
1.63      jmc      3045: Some software and CAs need this.
1.1       jsing    3046: .It Fl newkey Ar arg
1.63      jmc      3047: Create a new certificate request and a new private key.
1.1       jsing    3048: The argument takes one of several forms.
1.63      jmc      3049: .Pp
                   3050: .No rsa : Ns Ar nbits
                   3051: generates an RSA key
1.1       jsing    3052: .Ar nbits
                   3053: in size.
                   3054: If
                   3055: .Ar nbits
1.63      jmc      3056: is omitted
                   3057: the default key size is used.
                   3058: .Pp
                   3059: .No dsa : Ns Ar file
                   3060: generates a DSA key using the parameters in
                   3061: .Ar file .
                   3062: .Pp
                   3063: .No param : Ns Ar file
                   3064: generates a key using the parameters or certificate in
                   3065: .Ar file .
                   3066: .Pp
                   3067: All other algorithms support the form
                   3068: .Ar algorithm : Ns Ar file ,
1.1       jsing    3069: where file may be an algorithm parameter file,
                   3070: created by the
                   3071: .Cm genpkey -genparam
1.14      jmc      3072: command or an X.509 certificate for a key with appropriate algorithm.
1.63      jmc      3073: .Ar file
                   3074: can be omitted,
                   3075: in which case any parameters can be specified via the
1.1       jsing    3076: .Fl pkeyopt
                   3077: option.
                   3078: .It Fl no-asn1-kludge
1.63      jmc      3079: Reverse the effect of
1.1       jsing    3080: .Fl asn1-kludge .
                   3081: .It Fl nodes
1.63      jmc      3082: Do not encrypt the private key.
1.1       jsing    3083: .It Fl noout
1.63      jmc      3084: Do not output the encoded version of the request.
1.1       jsing    3085: .It Fl out Ar file
1.63      jmc      3086: The output file to write to,
1.99      jmc      3087: or standard output if not specified.
1.63      jmc      3088: .It Fl outform Cm der | pem
                   3089: The output format.
1.1       jsing    3090: .It Fl passin Ar arg
                   3091: The key password source.
                   3092: .It Fl passout Ar arg
                   3093: The output file password source.
                   3094: .It Fl pubkey
1.63      jmc      3095: Output the public key.
1.1       jsing    3096: .It Fl reqopt Ar option
                   3097: Customise the output format used with
                   3098: .Fl text .
                   3099: The
                   3100: .Ar option
                   3101: argument can be a single option or multiple options separated by commas.
1.63      jmc      3102: See also the discussion of
1.1       jsing    3103: .Fl certopt
1.63      jmc      3104: in the
1.1       jsing    3105: .Nm x509
                   3106: command.
                   3107: .It Fl set_serial Ar n
                   3108: Serial number to use when outputting a self-signed certificate.
                   3109: This may be specified as a decimal value or a hex value if preceded by
                   3110: .Sq 0x .
                   3111: It is possible to use negative serial numbers but this is not recommended.
                   3112: .It Fl subj Ar arg
1.63      jmc      3113: Replaces the subject field of an input request
                   3114: with the specified data and output the modified request.
                   3115: .Ar arg
                   3116: must be formatted as /type0=value0/type1=value1/type2=...;
1.1       jsing    3117: characters may be escaped by
                   3118: .Sq \e
1.63      jmc      3119: (backslash);
1.1       jsing    3120: no spaces are skipped.
                   3121: .It Fl subject
1.63      jmc      3122: Print the request subject (or certificate subject if
1.1       jsing    3123: .Fl x509
1.63      jmc      3124: is specified).
1.1       jsing    3125: .It Fl text
1.64      jmc      3126: Print the certificate request in plain text.
1.1       jsing    3127: .It Fl utf8
1.63      jmc      3128: Interpret field values as UTF8 strings, not ASCII.
1.1       jsing    3129: .It Fl verbose
                   3130: Print extra details about the operations being performed.
                   3131: .It Fl verify
1.63      jmc      3132: Verify the signature on the request.
1.1       jsing    3133: .It Fl x509
1.63      jmc      3134: Output a self-signed certificate instead of a certificate request.
                   3135: This is typically used to generate a test certificate or a self-signed root CA.
                   3136: The extensions added to the certificate (if any)
1.1       jsing    3137: are specified in the configuration file.
                   3138: Unless specified using the
                   3139: .Fl set_serial
1.63      jmc      3140: option, 0 is used for the serial number.
1.1       jsing    3141: .El
1.63      jmc      3142: .Pp
1.1       jsing    3143: The configuration options are specified in the
1.63      jmc      3144: .Qq req
1.1       jsing    3145: section of the configuration file.
1.63      jmc      3146: The options available are as follows:
1.1       jsing    3147: .Bl -tag -width "XXXX"
1.63      jmc      3148: .It Cm attributes
                   3149: The section containing any request attributes: its format
1.1       jsing    3150: is the same as
1.63      jmc      3151: .Cm distinguished_name .
                   3152: Typically these may contain the challengePassword or unstructuredName types.
                   3153: They are currently ignored by the
                   3154: .Nm openssl
1.1       jsing    3155: request signing utilities, but some CAs might want them.
1.63      jmc      3156: .It Cm default_bits
                   3157: The default key size, in bits.
                   3158: The default is 2048.
1.1       jsing    3159: It is used if the
                   3160: .Fl new
1.63      jmc      3161: option is used and can be overridden by using the
1.1       jsing    3162: .Fl newkey
                   3163: option.
1.63      jmc      3164: .It Cm default_keyfile
                   3165: The default file to write a private key to,
                   3166: or standard output if not specified.
                   3167: It can be overridden by the
1.1       jsing    3168: .Fl keyout
                   3169: option.
1.63      jmc      3170: .It Cm default_md
                   3171: The digest algorithm to use.
1.1       jsing    3172: Possible values include
1.63      jmc      3173: .Cm md5 ,
                   3174: .Cm sha1
1.1       jsing    3175: and
1.63      jmc      3176: .Cm sha256
                   3177: (the default).
                   3178: It can be overridden on the command line.
                   3179: .It Cm distinguished_name
                   3180: The section containing the distinguished name fields to
1.1       jsing    3181: prompt for when generating a certificate or certificate request.
1.63      jmc      3182: The format is described below.
                   3183: .It Cm encrypt_key
                   3184: If set to
                   3185: .Qq no
                   3186: and a private key is generated, it is not encrypted.
                   3187: It is equivalent to the
1.1       jsing    3188: .Fl nodes
1.63      jmc      3189: option.
1.1       jsing    3190: For compatibility,
1.63      jmc      3191: .Cm encrypt_rsa_key
1.1       jsing    3192: is an equivalent option.
1.63      jmc      3193: .It Cm input_password | output_password
                   3194: The passwords for the input private key file (if present)
                   3195: and the output private key file (if one will be created).
1.1       jsing    3196: The command line options
                   3197: .Fl passin
                   3198: and
                   3199: .Fl passout
                   3200: override the configuration file values.
1.63      jmc      3201: .It Cm oid_file
                   3202: A file containing additional OBJECT IDENTIFIERS.
1.1       jsing    3203: Each line of the file should consist of the numerical form of the
                   3204: object identifier, followed by whitespace, then the short name followed
                   3205: by whitespace and finally the long name.
1.63      jmc      3206: .It Cm oid_section
                   3207: Specify a section in the configuration file containing extra
1.1       jsing    3208: object identifiers.
                   3209: Each line should consist of the short name of the
                   3210: object identifier followed by
                   3211: .Sq =
                   3212: and the numerical form.
                   3213: The short and long names are the same when this option is used.
1.63      jmc      3214: .It Cm prompt
                   3215: If set to
                   3216: .Qq no ,
                   3217: it disables prompting of certificate fields
1.1       jsing    3218: and just takes values from the config file directly.
                   3219: It also changes the expected format of the
1.63      jmc      3220: .Cm distinguished_name
1.1       jsing    3221: and
1.63      jmc      3222: .Cm attributes
1.1       jsing    3223: sections.
1.63      jmc      3224: .It Cm req_extensions
                   3225: The configuration file section containing a list of
1.1       jsing    3226: extensions to add to the certificate request.
                   3227: It can be overridden by the
                   3228: .Fl reqexts
1.63      jmc      3229: option.
                   3230: .It Cm string_mask
                   3231: Limit the string types for encoding certain fields.
1.1       jsing    3232: The following values may be used, limiting strings to the indicated types:
                   3233: .Bl -tag -width "MASK:number"
1.63      jmc      3234: .It Cm utf8only
                   3235: UTF8String.
1.1       jsing    3236: This is the default, as recommended by PKIX in RFC 2459.
1.63      jmc      3237: .It Cm default
                   3238: PrintableString, IA5String, T61String, BMPString, UTF8String.
                   3239: .It Cm pkix
                   3240: PrintableString, IA5String, BMPString, UTF8String.
                   3241: Inspired by the PKIX recommendation in RFC 2459 for certificates
                   3242: generated before 2004, but differs by also permitting IA5String.
                   3243: .It Cm nombstr
                   3244: PrintableString, IA5String, T61String, UniversalString.
                   3245: A workaround for some ancient software that had problems
                   3246: with the variable-sized BMPString and UTF8String types.
1.1       jsing    3247: .It Cm MASK : Ns Ar number
1.63      jmc      3248: An explicit bitmask of permitted types, where
1.1       jsing    3249: .Ar number
                   3250: is a C-style hex, decimal, or octal number that's a bit-wise OR of
                   3251: .Dv B_ASN1_*
                   3252: values from
                   3253: .In openssl/asn1.h .
                   3254: .El
1.63      jmc      3255: .It Cm utf8
                   3256: If set to
                   3257: .Qq yes ,
1.72      jmc      3258: field values are interpreted as UTF8 strings.
1.63      jmc      3259: .It Cm x509_extensions
                   3260: The configuration file section containing a list of
1.1       jsing    3261: extensions to add to a certificate generated when the
                   3262: .Fl x509
                   3263: switch is used.
                   3264: It can be overridden by the
                   3265: .Fl extensions
1.72      jmc      3266: command line switch.
1.1       jsing    3267: .El
1.63      jmc      3268: .Pp
1.1       jsing    3269: There are two separate formats for the distinguished name and attribute
                   3270: sections.
                   3271: If the
                   3272: .Fl prompt
                   3273: option is set to
1.63      jmc      3274: .Qq no ,
1.72      jmc      3275: then these sections just consist of field names and values.
                   3276: If the
1.1       jsing    3277: .Fl prompt
                   3278: option is absent or not set to
1.63      jmc      3279: .Qq no ,
1.72      jmc      3280: then the file contains field prompting information of the form:
1.1       jsing    3281: .Bd -unfilled -offset indent
                   3282: fieldName="prompt"
                   3283: fieldName_default="default field value"
                   3284: fieldName_min= 2
                   3285: fieldName_max= 4
                   3286: .Ed
                   3287: .Pp
                   3288: .Qq fieldName
                   3289: is the field name being used, for example
1.63      jmc      3290: .Cm commonName
                   3291: (or CN).
1.1       jsing    3292: The
                   3293: .Qq prompt
                   3294: string is used to ask the user to enter the relevant details.
                   3295: If the user enters nothing, the default value is used;
                   3296: if no default value is present, the field is omitted.
                   3297: A field can still be omitted if a default value is present,
                   3298: if the user just enters the
                   3299: .Sq \&.
                   3300: character.
                   3301: .Pp
                   3302: The number of characters entered must be between the
1.63      jmc      3303: fieldName_min and fieldName_max limits:
1.1       jsing    3304: there may be additional restrictions based on the field being used
                   3305: (for example
1.63      jmc      3306: .Cm countryName
1.1       jsing    3307: can only ever be two characters long and must fit in a
1.63      jmc      3308: .Cm PrintableString ) .
1.1       jsing    3309: .Pp
                   3310: Some fields (such as
1.63      jmc      3311: .Cm organizationName )
1.1       jsing    3312: can be used more than once in a DN.
                   3313: This presents a problem because configuration files will
                   3314: not recognize the same name occurring twice.
                   3315: To avoid this problem, if the
1.63      jmc      3316: .Cm fieldName
1.1       jsing    3317: contains some characters followed by a full stop, they will be ignored.
                   3318: So, for example, a second
1.63      jmc      3319: .Cm organizationName
1.1       jsing    3320: can be input by calling it
                   3321: .Qq 1.organizationName .
                   3322: .Pp
                   3323: The actual permitted field names are any object identifier short or
                   3324: long names.
                   3325: These are compiled into
1.63      jmc      3326: .Nm openssl
1.1       jsing    3327: and include the usual values such as
1.63      jmc      3328: .Cm commonName , countryName , localityName , organizationName ,
1.89      jmc      3329: .Cm organizationalUnitName , stateOrProvinceName .
1.1       jsing    3330: Additionally,
1.63      jmc      3331: .Cm emailAddress
1.1       jsing    3332: is included as well as
1.63      jmc      3333: .Cm name , surname , givenName , initials
1.1       jsing    3334: and
1.63      jmc      3335: .Cm dnQualifier .
1.1       jsing    3336: .Pp
                   3337: Additional object identifiers can be defined with the
1.63      jmc      3338: .Cm oid_file
1.1       jsing    3339: or
1.63      jmc      3340: .Cm oid_section
1.1       jsing    3341: options in the configuration file.
                   3342: Any additional fields will be treated as though they were a
1.63      jmc      3343: .Cm DirectoryString .
1.1       jsing    3344: .Sh RSA
                   3345: .nr nS 1
                   3346: .Nm "openssl rsa"
1.64      jmc      3347: .Op Fl aes128 | aes192 | aes256 | des | des3
1.1       jsing    3348: .Op Fl check
                   3349: .Op Fl in Ar file
1.64      jmc      3350: .Op Fl inform Cm der | net | pem
1.1       jsing    3351: .Op Fl modulus
                   3352: .Op Fl noout
                   3353: .Op Fl out Ar file
1.64      jmc      3354: .Op Fl outform Cm der | net | pem
1.1       jsing    3355: .Op Fl passin Ar arg
                   3356: .Op Fl passout Ar arg
                   3357: .Op Fl pubin
                   3358: .Op Fl pubout
                   3359: .Op Fl sgckey
                   3360: .Op Fl text
                   3361: .nr nS 0
                   3362: .Pp
                   3363: The
                   3364: .Nm rsa
                   3365: command processes RSA keys.
                   3366: They can be converted between various forms and their components printed out.
1.64      jmc      3367: .Nm rsa
                   3368: uses the traditional
1.1       jsing    3369: .Nm SSLeay
                   3370: compatible format for private key encryption:
                   3371: newer applications should use the more secure PKCS#8 format using the
                   3372: .Nm pkcs8
                   3373: utility.
                   3374: .Pp
                   3375: The options are as follows:
                   3376: .Bl -tag -width Ds
1.64      jmc      3377: .It Fl aes128 | aes192 | aes256 | des | des3
                   3378: Encrypt the private key with the AES, DES,
1.1       jsing    3379: or the triple DES ciphers, respectively, before outputting it.
                   3380: A pass phrase is prompted for.
                   3381: If none of these options are specified, the key is written in plain text.
                   3382: This means that using the
                   3383: .Nm rsa
                   3384: utility to read in an encrypted key with no encryption option can be used
                   3385: to remove the pass phrase from a key, or by setting the encryption options
                   3386: it can be used to add or change the pass phrase.
                   3387: These options can only be used with PEM format output files.
                   3388: .It Fl check
1.64      jmc      3389: Check the consistency of an RSA private key.
1.1       jsing    3390: .It Fl in Ar file
1.64      jmc      3391: The input file to read from,
                   3392: or standard input if not specified.
1.1       jsing    3393: If the key is encrypted, a pass phrase will be prompted for.
1.64      jmc      3394: .It Fl inform Cm der | net | pem
                   3395: The input format.
1.1       jsing    3396: .It Fl noout
1.64      jmc      3397: Do not output the encoded version of the key.
1.1       jsing    3398: .It Fl modulus
1.64      jmc      3399: Print the value of the modulus of the key.
1.1       jsing    3400: .It Fl out Ar file
1.64      jmc      3401: The output file to write to,
                   3402: or standard output if not specified.
                   3403: .It Fl outform Cm der | net | pem
                   3404: The output format.
1.1       jsing    3405: .It Fl passin Ar arg
                   3406: The key password source.
                   3407: .It Fl passout Ar arg
                   3408: The output file password source.
                   3409: .It Fl pubin
1.64      jmc      3410: Read in a public key,
                   3411: not a private key.
1.1       jsing    3412: .It Fl pubout
1.64      jmc      3413: Output a public key,
                   3414: not a private key.
                   3415: Automatically set if the input is a public key.
1.1       jsing    3416: .It Fl sgckey
1.64      jmc      3417: Use the modified NET algorithm used with some versions of Microsoft IIS
                   3418: and SGC keys.
1.1       jsing    3419: .It Fl text
1.64      jmc      3420: Print the public/private key components in plain text.
1.1       jsing    3421: .El
                   3422: .Sh RSAUTL
                   3423: .nr nS 1
                   3424: .Nm "openssl rsautl"
                   3425: .Op Fl asn1parse
                   3426: .Op Fl certin
                   3427: .Op Fl decrypt
                   3428: .Op Fl encrypt
                   3429: .Op Fl hexdump
                   3430: .Op Fl in Ar file
                   3431: .Op Fl inkey Ar file
1.65      jmc      3432: .Op Fl keyform Cm der | pem
1.100     tb       3433: .Op Fl oaep | pkcs | raw | x931
1.1       jsing    3434: .Op Fl out Ar file
1.100     tb       3435: .Op Fl passin Ar arg
1.1       jsing    3436: .Op Fl pubin
1.100     tb       3437: .Op Fl rev
1.1       jsing    3438: .Op Fl sign
                   3439: .Op Fl verify
                   3440: .nr nS 0
                   3441: .Pp
                   3442: The
                   3443: .Nm rsautl
                   3444: command can be used to sign, verify, encrypt and decrypt
                   3445: data using the RSA algorithm.
                   3446: .Pp
                   3447: The options are as follows:
                   3448: .Bl -tag -width Ds
                   3449: .It Fl asn1parse
                   3450: Asn1parse the output data; this is useful when combined with the
                   3451: .Fl verify
                   3452: option.
                   3453: .It Fl certin
                   3454: The input is a certificate containing an RSA public key.
                   3455: .It Fl decrypt
                   3456: Decrypt the input data using an RSA private key.
                   3457: .It Fl encrypt
                   3458: Encrypt the input data using an RSA public key.
                   3459: .It Fl hexdump
                   3460: Hex dump the output data.
                   3461: .It Fl in Ar file
1.65      jmc      3462: The input to read from,
                   3463: or standard input if not specified.
1.1       jsing    3464: .It Fl inkey Ar file
1.65      jmc      3465: The input key file; by default an RSA private key.
                   3466: .It Fl keyform Cm der | pem
1.85      tb       3467: The private key format.
1.65      jmc      3468: The default is
                   3469: .Cm pem .
1.100     tb       3470: .It Fl oaep | pkcs | raw | x931
1.1       jsing    3471: The padding to use:
1.100     tb       3472: PKCS#1 OAEP, PKCS#1 v1.5 (the default), no padding, or ANSI X9.31,
                   3473: respectively.
1.1       jsing    3474: For signatures, only
                   3475: .Fl pkcs
                   3476: and
                   3477: .Fl raw
                   3478: can be used.
                   3479: .It Fl out Ar file
1.65      jmc      3480: The output file to write to,
                   3481: or standard output if not specified.
1.100     tb       3482: .It Fl passin Ar arg
                   3483: The key password source.
1.1       jsing    3484: .It Fl pubin
                   3485: The input file is an RSA public key.
1.100     tb       3486: .It Fl rev
                   3487: Reverse the order of the input buffer.
1.1       jsing    3488: .It Fl sign
                   3489: Sign the input data and output the signed result.
                   3490: This requires an RSA private key.
                   3491: .It Fl verify
                   3492: Verify the input data and output the recovered data.
                   3493: .El
                   3494: .Sh S_CLIENT
                   3495: .nr nS 1
                   3496: .Nm "openssl s_client"
                   3497: .Op Fl 4 | 6
                   3498: .Op Fl bugs
                   3499: .Op Fl CAfile Ar file
                   3500: .Op Fl CApath Ar directory
                   3501: .Op Fl cert Ar file
                   3502: .Op Fl check_ss_sig
                   3503: .Op Fl cipher Ar cipherlist
1.66      jmc      3504: .Op Fl connect Ar host Ns Op : Ns Ar port
1.1       jsing    3505: .Op Fl crl_check
                   3506: .Op Fl crl_check_all
                   3507: .Op Fl crlf
                   3508: .Op Fl debug
                   3509: .Op Fl extended_crl
1.87      jmc      3510: .Op Fl groups
1.1       jsing    3511: .Op Fl ign_eof
                   3512: .Op Fl ignore_critical
                   3513: .Op Fl issuer_checks
                   3514: .Op Fl key Ar keyfile
                   3515: .Op Fl msg
                   3516: .Op Fl nbio
                   3517: .Op Fl nbio_test
                   3518: .Op Fl no_ticket
                   3519: .Op Fl no_tls1
1.6       guenther 3520: .Op Fl no_tls1_1
                   3521: .Op Fl no_tls1_2
1.1       jsing    3522: .Op Fl pause
                   3523: .Op Fl policy_check
                   3524: .Op Fl prexit
1.11      bluhm    3525: .Op Fl proxy Ar host : Ns Ar port
1.1       jsing    3526: .Op Fl psk Ar key
                   3527: .Op Fl psk_identity Ar identity
                   3528: .Op Fl quiet
                   3529: .Op Fl reconnect
1.5       jsing    3530: .Op Fl servername Ar name
1.1       jsing    3531: .Op Fl showcerts
                   3532: .Op Fl starttls Ar protocol
                   3533: .Op Fl state
                   3534: .Op Fl tls1
1.31      jmc      3535: .Op Fl tls1_1
                   3536: .Op Fl tls1_2
1.1       jsing    3537: .Op Fl tlsextdebug
                   3538: .Op Fl verify Ar depth
                   3539: .Op Fl x509_strict
1.19      landry   3540: .Op Fl xmpphost Ar host
1.1       jsing    3541: .nr nS 0
                   3542: .Pp
                   3543: The
                   3544: .Nm s_client
                   3545: command implements a generic SSL/TLS client which connects
                   3546: to a remote host using SSL/TLS.
1.66      jmc      3547: .Pp
                   3548: If a connection is established with an SSL server, any data received
                   3549: from the server is displayed and any key presses will be sent to the
                   3550: server.
                   3551: When used interactively (which means neither
                   3552: .Fl quiet
                   3553: nor
                   3554: .Fl ign_eof
                   3555: have been given), the session will be renegotiated if the line begins with an
                   3556: .Cm R ;
                   3557: if the line begins with a
                   3558: .Cm Q
                   3559: or if end of file is reached, the connection will be closed down.
1.1       jsing    3560: .Pp
                   3561: The options are as follows:
                   3562: .Bl -tag -width Ds
                   3563: .It Fl 4
1.66      jmc      3564: Attempt connections using IPv4 only.
1.1       jsing    3565: .It Fl 6
1.66      jmc      3566: Attempt connections using IPv6 only.
1.1       jsing    3567: .It Fl bugs
1.66      jmc      3568: Enable various workarounds for buggy implementations.
1.1       jsing    3569: .It Fl CAfile Ar file
                   3570: A
                   3571: .Ar file
                   3572: containing trusted certificates to use during server authentication
                   3573: and to use when attempting to build the client certificate chain.
                   3574: .It Fl CApath Ar directory
                   3575: The
                   3576: .Ar directory
                   3577: to use for server certificate verification.
                   3578: This directory must be in
                   3579: .Qq hash format ;
                   3580: see
                   3581: .Fl verify
                   3582: for more information.
                   3583: These are also used when building the client certificate chain.
                   3584: .It Fl cert Ar file
                   3585: The certificate to use, if one is requested by the server.
                   3586: The default is not to use a certificate.
                   3587: .It Xo
                   3588: .Fl check_ss_sig ,
                   3589: .Fl crl_check ,
                   3590: .Fl crl_check_all ,
                   3591: .Fl extended_crl ,
                   3592: .Fl ignore_critical ,
                   3593: .Fl issuer_checks ,
                   3594: .Fl policy_check ,
                   3595: .Fl x509_strict
                   3596: .Xc
                   3597: Set various certificate chain validation options.
                   3598: See the
1.66      jmc      3599: .Nm verify
1.1       jsing    3600: command for details.
                   3601: .It Fl cipher Ar cipherlist
1.66      jmc      3602: Modify the cipher list sent by the client.
1.1       jsing    3603: Although the server determines which cipher suite is used, it should take
                   3604: the first supported cipher in the list sent by the client.
                   3605: See the
1.66      jmc      3606: .Nm ciphers
                   3607: command for more information.
                   3608: .It Fl connect Ar host Ns Op : Ns Ar port
                   3609: The
1.1       jsing    3610: .Ar host
1.66      jmc      3611: and
1.1       jsing    3612: .Ar port
                   3613: to connect to.
                   3614: If not specified, an attempt is made to connect to the local host
                   3615: on port 4433.
                   3616: Alternatively, the host and port pair may be separated using a forward-slash
1.66      jmc      3617: character,
                   3618: which is useful for numeric IPv6 addresses.
1.1       jsing    3619: .It Fl crlf
1.66      jmc      3620: Translate a line feed from the terminal into CR+LF,
                   3621: as required by some servers.
1.1       jsing    3622: .It Fl debug
1.66      jmc      3623: Print extensive debugging information, including a hex dump of all traffic.
1.87      jmc      3624: .It Fl groups Ar ecgroups
                   3625: Specify a colon-separated list of permitted EC curve groups.
1.1       jsing    3626: .It Fl ign_eof
1.66      jmc      3627: Inhibit shutting down the connection when end of file is reached in the input.
1.1       jsing    3628: .It Fl key Ar keyfile
                   3629: The private key to use.
                   3630: If not specified, the certificate file will be used.
                   3631: .It Fl msg
                   3632: Show all protocol messages with hex dump.
                   3633: .It Fl nbio
1.66      jmc      3634: Turn on non-blocking I/O.
1.1       jsing    3635: .It Fl nbio_test
1.66      jmc      3636: Test non-blocking I/O.
1.31      jmc      3637: .It Fl no_tls1 | no_tls1_1 | no_tls1_2
1.66      jmc      3638: Disable the use of TLS1.0, 1.1, and 1.2, respectively.
1.1       jsing    3639: .It Fl no_ticket
                   3640: Disable RFC 4507 session ticket support.
                   3641: .It Fl pause
1.66      jmc      3642: Pause 1 second between each read and write call.
1.1       jsing    3643: .It Fl prexit
                   3644: Print session information when the program exits.
                   3645: This will always attempt
                   3646: to print out information even if the connection fails.
                   3647: Normally, information will only be printed out once if the connection succeeds.
                   3648: This option is useful because the cipher in use may be renegotiated
                   3649: or the connection may fail because a client certificate is required or is
                   3650: requested only after an attempt is made to access a certain URL.
1.66      jmc      3651: Note that the output produced by this option is not always accurate
                   3652: because a connection might never have been established.
1.11      bluhm    3653: .It Fl proxy Ar host : Ns Ar port
                   3654: Use the HTTP proxy at
                   3655: .Ar host
                   3656: and
                   3657: .Ar port .
                   3658: The connection to the proxy is done in cleartext and the
                   3659: .Fl connect
                   3660: argument is given to the proxy.
                   3661: If not specified, localhost is used as final destination.
                   3662: After that, switch the connection through the proxy to the destination
                   3663: to TLS.
1.1       jsing    3664: .It Fl psk Ar key
                   3665: Use the PSK key
                   3666: .Ar key
                   3667: when using a PSK cipher suite.
                   3668: The key is given as a hexadecimal number without the leading 0x,
                   3669: for example -psk 1a2b3c4d.
                   3670: .It Fl psk_identity Ar identity
1.66      jmc      3671: Use the PSK
1.1       jsing    3672: .Ar identity
                   3673: when using a PSK cipher suite.
                   3674: .It Fl quiet
                   3675: Inhibit printing of session and certificate information.
                   3676: This implicitly turns on
                   3677: .Fl ign_eof
                   3678: as well.
                   3679: .It Fl reconnect
1.66      jmc      3680: Reconnect to the same server 5 times using the same session ID; this can
1.1       jsing    3681: be used as a test that session caching is working.
1.5       jsing    3682: .It Fl servername Ar name
                   3683: Include the TLS Server Name Indication (SNI) extension in the ClientHello
                   3684: message, using the specified server
                   3685: .Ar name .
1.1       jsing    3686: .It Fl showcerts
                   3687: Display the whole server certificate chain: normally only the server
                   3688: certificate itself is displayed.
                   3689: .It Fl starttls Ar protocol
1.66      jmc      3690: Send the protocol-specific messages to switch to TLS for communication.
1.1       jsing    3691: .Ar protocol
                   3692: is a keyword for the intended protocol.
                   3693: Currently, the supported keywords are
                   3694: .Qq ftp ,
                   3695: .Qq imap ,
                   3696: .Qq smtp ,
                   3697: .Qq pop3 ,
                   3698: and
                   3699: .Qq xmpp .
                   3700: .It Fl state
1.66      jmc      3701: Print the SSL session states.
1.31      jmc      3702: .It Fl tls1 | tls1_1 | tls1_2
                   3703: Permit only TLS1.0, 1.1, or 1.2, respectively.
1.1       jsing    3704: .It Fl tlsextdebug
1.66      jmc      3705: Print a hex dump of any TLS extensions received from the server.
1.1       jsing    3706: .It Fl verify Ar depth
1.66      jmc      3707: Turn on server certificate verification,
                   3708: with a maximum length of
                   3709: .Ar depth .
1.1       jsing    3710: Currently the verify operation continues after errors so all the problems
                   3711: with a certificate chain can be seen.
                   3712: As a side effect the connection will never fail due to a server
                   3713: certificate verify failure.
1.19      landry   3714: .It Fl xmpphost Ar hostname
1.66      jmc      3715: When used with
1.19      landry   3716: .Fl starttls Ar xmpp ,
1.66      jmc      3717: specify the host for the "to" attribute of the stream element.
1.19      landry   3718: If this option is not specified then the host specified with
                   3719: .Fl connect
                   3720: will be used.
1.1       jsing    3721: .El
                   3722: .Sh S_SERVER
                   3723: .nr nS 1
                   3724: .Nm "openssl s_server"
                   3725: .Op Fl accept Ar port
                   3726: .Op Fl bugs
                   3727: .Op Fl CAfile Ar file
                   3728: .Op Fl CApath Ar directory
                   3729: .Op Fl cert Ar file
                   3730: .Op Fl cipher Ar cipherlist
                   3731: .Op Fl context Ar id
                   3732: .Op Fl crl_check
                   3733: .Op Fl crl_check_all
                   3734: .Op Fl crlf
                   3735: .Op Fl dcert Ar file
                   3736: .Op Fl debug
                   3737: .Op Fl dhparam Ar file
                   3738: .Op Fl dkey Ar file
                   3739: .Op Fl hack
                   3740: .Op Fl HTTP
                   3741: .Op Fl id_prefix Ar arg
                   3742: .Op Fl key Ar keyfile
                   3743: .Op Fl msg
                   3744: .Op Fl nbio
                   3745: .Op Fl nbio_test
                   3746: .Op Fl no_dhe
                   3747: .Op Fl no_tls1
1.6       guenther 3748: .Op Fl no_tls1_1
                   3749: .Op Fl no_tls1_2
1.1       jsing    3750: .Op Fl no_tmp_rsa
                   3751: .Op Fl nocert
                   3752: .Op Fl psk Ar key
                   3753: .Op Fl psk_hint Ar hint
                   3754: .Op Fl quiet
                   3755: .Op Fl serverpref
                   3756: .Op Fl state
                   3757: .Op Fl tls1
1.31      jmc      3758: .Op Fl tls1_1
                   3759: .Op Fl tls1_2
1.1       jsing    3760: .Op Fl Verify Ar depth
                   3761: .Op Fl verify Ar depth
                   3762: .Op Fl WWW
                   3763: .Op Fl www
                   3764: .nr nS 0
                   3765: .Pp
                   3766: The
                   3767: .Nm s_server
                   3768: command implements a generic SSL/TLS server which listens
                   3769: for connections on a given port using SSL/TLS.
                   3770: .Pp
1.67      jmc      3771: If a connection request is established with a client and neither the
                   3772: .Fl www
                   3773: nor the
                   3774: .Fl WWW
                   3775: option has been used, then any data received
                   3776: from the client is displayed and any key presses are sent to the client.
                   3777: Certain single letter commands perform special operations:
                   3778: .Pp
                   3779: .Bl -tag -width "XXXX" -compact
                   3780: .It Ic P
                   3781: Send plain text, which should cause the client to disconnect.
                   3782: .It Ic Q
                   3783: End the current SSL connection and exit.
                   3784: .It Ic q
                   3785: End the current SSL connection, but still accept new connections.
                   3786: .It Ic R
                   3787: Renegotiate the SSL session and request a client certificate.
                   3788: .It Ic r
                   3789: Renegotiate the SSL session.
                   3790: .It Ic S
                   3791: Print out some session cache status information.
                   3792: .El
                   3793: .Pp
1.1       jsing    3794: The options are as follows:
                   3795: .Bl -tag -width Ds
                   3796: .It Fl accept Ar port
1.67      jmc      3797: Listen on TCP
1.1       jsing    3798: .Ar port
1.67      jmc      3799: for connections.
                   3800: The default is port 4433.
1.1       jsing    3801: .It Fl bugs
1.67      jmc      3802: Enable various workarounds for buggy implementations.
1.1       jsing    3803: .It Fl CAfile Ar file
1.67      jmc      3804: A
                   3805: .Ar file
                   3806: containing trusted certificates to use during client authentication
1.1       jsing    3807: and to use when attempting to build the server certificate chain.
                   3808: The list is also used in the list of acceptable client CAs passed to the
                   3809: client when a certificate is requested.
                   3810: .It Fl CApath Ar directory
                   3811: The
                   3812: .Ar directory
                   3813: to use for client certificate verification.
                   3814: This directory must be in
                   3815: .Qq hash format ;
                   3816: see
                   3817: .Fl verify
                   3818: for more information.
                   3819: These are also used when building the server certificate chain.
                   3820: .It Fl cert Ar file
1.67      jmc      3821: The certificate to use: most server's cipher suites require the use of a
                   3822: certificate and some require a certificate with a certain public key type.
                   3823: For example, the DSS cipher suites require a certificate containing a DSS
                   3824: (DSA) key.
1.1       jsing    3825: If not specified, the file
                   3826: .Pa server.pem
                   3827: will be used.
                   3828: .It Fl cipher Ar cipherlist
1.67      jmc      3829: Modify the cipher list used by the server.
1.1       jsing    3830: This allows the cipher list used by the server to be modified.
                   3831: When the client sends a list of supported ciphers, the first client cipher
                   3832: also included in the server list is used.
                   3833: Because the client specifies the preference order, the order of the server
                   3834: cipherlist is irrelevant.
                   3835: See the
1.67      jmc      3836: .Nm ciphers
                   3837: command for more information.
1.1       jsing    3838: .It Fl context Ar id
1.67      jmc      3839: Set the SSL context ID.
1.1       jsing    3840: It can be given any string value.
                   3841: .It Fl crl_check , crl_check_all
                   3842: Check the peer certificate has not been revoked by its CA.
                   3843: The CRLs are appended to the certificate file.
                   3844: .Fl crl_check_all
1.67      jmc      3845: checks all CRLs of all CAs in the chain.
1.1       jsing    3846: .It Fl crlf
1.67      jmc      3847: Translate a line feed from the terminal into CR+LF.
1.1       jsing    3848: .It Fl dcert Ar file , Fl dkey Ar file
                   3849: Specify an additional certificate and private key; these behave in the
                   3850: same manner as the
                   3851: .Fl cert
                   3852: and
                   3853: .Fl key
                   3854: options except there is no default if they are not specified
1.67      jmc      3855: (no additional certificate or key is used).
1.1       jsing    3856: By using RSA and DSS certificates and keys,
                   3857: a server can support clients which only support RSA or DSS cipher suites
                   3858: by using an appropriate certificate.
                   3859: .It Fl debug
1.67      jmc      3860: Print extensive debugging information, including a hex dump of all traffic.
1.1       jsing    3861: .It Fl dhparam Ar file
                   3862: The DH parameter file to use.
                   3863: The ephemeral DH cipher suites generate keys
                   3864: using a set of DH parameters.
                   3865: If not specified, an attempt is made to
                   3866: load the parameters from the server certificate file.
                   3867: If this fails, a static set of parameters hard coded into the
                   3868: .Nm s_server
                   3869: program will be used.
                   3870: .It Fl hack
1.67      jmc      3871: Enables a further workaround for some early Netscape SSL code.
1.1       jsing    3872: .It Fl HTTP
1.67      jmc      3873: Emulate a simple web server.
                   3874: Pages are resolved relative to the current directory.
                   3875: For example if the URL
1.1       jsing    3876: .Pa https://myhost/page.html
                   3877: is requested, the file
                   3878: .Pa ./page.html
                   3879: will be loaded.
                   3880: The files loaded are assumed to contain a complete and correct HTTP
                   3881: response (lines that are part of the HTTP response line and headers
                   3882: must end with CRLF).
                   3883: .It Fl id_prefix Ar arg
                   3884: Generate SSL/TLS session IDs prefixed by
                   3885: .Ar arg .
                   3886: This is mostly useful for testing any SSL/TLS code
1.81      jmc      3887: that wish to deal with multiple servers,
                   3888: when each of which might be generating a unique range of session IDs.
1.1       jsing    3889: .It Fl key Ar keyfile
                   3890: The private key to use.
                   3891: If not specified, the certificate file will be used.
                   3892: .It Fl msg
                   3893: Show all protocol messages with hex dump.
                   3894: .It Fl nbio
1.67      jmc      3895: Turn on non-blocking I/O.
1.1       jsing    3896: .It Fl nbio_test
1.67      jmc      3897: Test non-blocking I/O.
1.1       jsing    3898: .It Fl no_dhe
1.67      jmc      3899: Disable ephemeral DH cipher suites.
1.31      jmc      3900: .It Fl no_tls1 | no_tls1_1 | no_tls1_2
1.67      jmc      3901: Disable the use of TLS1.0, 1.1, and 1.2, respectively.
1.1       jsing    3902: .It Fl no_tmp_rsa
1.67      jmc      3903: Disable temporary RSA key generation.
1.1       jsing    3904: .It Fl nocert
1.67      jmc      3905: Do not use a certificate.
1.1       jsing    3906: This restricts the cipher suites available to the anonymous ones
1.67      jmc      3907: (currently just anonymous DH).
1.1       jsing    3908: .It Fl psk Ar key
                   3909: Use the PSK key
                   3910: .Ar key
                   3911: when using a PSK cipher suite.
                   3912: The key is given as a hexadecimal number without the leading 0x,
                   3913: for example -psk 1a2b3c4d.
                   3914: .It Fl psk_hint Ar hint
                   3915: Use the PSK identity hint
                   3916: .Ar hint
                   3917: when using a PSK cipher suite.
                   3918: .It Fl quiet
                   3919: Inhibit printing of session and certificate information.
                   3920: .It Fl serverpref
                   3921: Use server's cipher preferences.
                   3922: .It Fl state
1.67      jmc      3923: Print the SSL session states.
1.31      jmc      3924: .It Fl tls1 | tls1_1 | tls1_2
                   3925: Permit only TLS1.0, 1.1, or 1.2, respectively.
1.1       jsing    3926: .It Fl WWW
1.67      jmc      3927: Emulate a simple web server.
                   3928: Pages are resolved relative to the current directory.
                   3929: For example if the URL
1.1       jsing    3930: .Pa https://myhost/page.html
                   3931: is requested, the file
                   3932: .Pa ./page.html
                   3933: will be loaded.
                   3934: .It Fl www
1.67      jmc      3935: Send a status message to the client when it connects,
                   3936: including information about the ciphers used and various session parameters.
1.1       jsing    3937: The output is in HTML format so this option will normally be used with a
                   3938: web browser.
                   3939: .It Fl Verify Ar depth , Fl verify Ar depth
1.67      jmc      3940: Request a certificate chain from the client,
                   3941: with a maximum length of
                   3942: .Ar depth .
                   3943: With
                   3944: .Fl Verify ,
                   3945: the client must supply a certificate or an error occurs;
                   3946: with
                   3947: .Fl verify ,
                   3948: a certificate is requested but the client does not have to send one.
1.1       jsing    3949: .El
                   3950: .Sh S_TIME
                   3951: .nr nS 1
                   3952: .Nm "openssl s_time"
                   3953: .Op Fl bugs
                   3954: .Op Fl CAfile Ar file
                   3955: .Op Fl CApath Ar directory
                   3956: .Op Fl cert Ar file
                   3957: .Op Fl cipher Ar cipherlist
1.68      jmc      3958: .Op Fl connect Ar host Ns Op : Ns Ar port
1.1       jsing    3959: .Op Fl key Ar keyfile
                   3960: .Op Fl nbio
                   3961: .Op Fl new
1.20      lteo     3962: .Op Fl no_shutdown
1.1       jsing    3963: .Op Fl reuse
                   3964: .Op Fl time Ar seconds
                   3965: .Op Fl verify Ar depth
                   3966: .Op Fl www Ar page
                   3967: .nr nS 0
                   3968: .Pp
                   3969: The
1.68      jmc      3970: .Nm s_time
1.1       jsing    3971: command implements a generic SSL/TLS client which connects to a
                   3972: remote host using SSL/TLS.
                   3973: It can request a page from the server and includes
                   3974: the time to transfer the payload data in its timing measurements.
                   3975: It measures the number of connections within a given timeframe,
                   3976: the amount of data transferred
                   3977: .Pq if any ,
                   3978: and calculates the average time spent for one connection.
                   3979: .Pp
                   3980: The options are as follows:
                   3981: .Bl -tag -width Ds
                   3982: .It Fl bugs
1.68      jmc      3983: Enable various workarounds for buggy implementations.
1.1       jsing    3984: .It Fl CAfile Ar file
1.68      jmc      3985: A
                   3986: .Ar file
                   3987: containing trusted certificates to use during server authentication
1.1       jsing    3988: and to use when attempting to build the client certificate chain.
                   3989: .It Fl CApath Ar directory
                   3990: The directory to use for server certificate verification.
                   3991: This directory must be in
                   3992: .Qq hash format ;
                   3993: see
                   3994: .Nm verify
                   3995: for more information.
                   3996: These are also used when building the client certificate chain.
                   3997: .It Fl cert Ar file
                   3998: The certificate to use, if one is requested by the server.
                   3999: The default is not to use a certificate.
                   4000: .It Fl cipher Ar cipherlist
1.68      jmc      4001: Modify the cipher list sent by the client.
1.1       jsing    4002: Although the server determines which cipher suite is used,
                   4003: it should take the first supported cipher in the list sent by the client.
                   4004: See the
                   4005: .Nm ciphers
                   4006: command for more information.
1.68      jmc      4007: .It Fl connect Ar host Ns Op : Ns Ar port
                   4008: The host and port to connect to.
1.1       jsing    4009: .It Fl key Ar keyfile
                   4010: The private key to use.
                   4011: If not specified, the certificate file will be used.
                   4012: .It Fl nbio
1.68      jmc      4013: Turn on non-blocking I/O.
1.1       jsing    4014: .It Fl new
1.68      jmc      4015: Perform the timing test using a new session ID for each connection.
1.1       jsing    4016: If neither
                   4017: .Fl new
                   4018: nor
                   4019: .Fl reuse
                   4020: are specified,
                   4021: they are both on by default and executed in sequence.
1.20      lteo     4022: .It Fl no_shutdown
1.21      jmc      4023: Shut down the connection without sending a
1.68      jmc      4024: .Qq close notify
1.20      lteo     4025: shutdown alert to the server.
1.1       jsing    4026: .It Fl reuse
1.68      jmc      4027: Perform the timing test using the same session ID for each connection.
1.1       jsing    4028: If neither
                   4029: .Fl new
                   4030: nor
                   4031: .Fl reuse
                   4032: are specified,
                   4033: they are both on by default and executed in sequence.
                   4034: .It Fl time Ar seconds
1.68      jmc      4035: Limit
1.1       jsing    4036: .Nm s_time
1.68      jmc      4037: benchmarks to the number of
                   4038: .Ar seconds .
1.1       jsing    4039: The default is 30 seconds.
                   4040: .It Fl verify Ar depth
1.68      jmc      4041: Turn on server certificate verification,
                   4042: with a maximum length of
                   4043: .Ar depth .
1.1       jsing    4044: Currently the verify operation continues after errors, so all the problems
                   4045: with a certificate chain can be seen.
                   4046: As a side effect,
                   4047: the connection will never fail due to a server certificate verify failure.
                   4048: .It Fl www Ar page
1.68      jmc      4049: The page to GET from the server.
1.1       jsing    4050: A value of
                   4051: .Sq /
                   4052: gets the index.htm[l] page.
                   4053: If this parameter is not specified,
                   4054: .Nm s_time
                   4055: will only perform the handshake to establish SSL connections
                   4056: but not transfer any payload data.
                   4057: .El
                   4058: .Sh SESS_ID
                   4059: .nr nS 1
                   4060: .Nm "openssl sess_id"
                   4061: .Op Fl cert
                   4062: .Op Fl context Ar ID
                   4063: .Op Fl in Ar file
1.69      jmc      4064: .Op Fl inform Cm der | pem
1.1       jsing    4065: .Op Fl noout
                   4066: .Op Fl out Ar file
1.69      jmc      4067: .Op Fl outform Cm der | pem
1.1       jsing    4068: .Op Fl text
                   4069: .nr nS 0
                   4070: .Pp
                   4071: The
                   4072: .Nm sess_id
                   4073: program processes the encoded version of the SSL session structure and
                   4074: optionally prints out SSL session details
1.69      jmc      4075: (for example the SSL session master key)
1.72      jmc      4076: in human-readable format.
1.1       jsing    4077: .Pp
                   4078: The options are as follows:
                   4079: .Bl -tag -width Ds
                   4080: .It Fl cert
                   4081: If a certificate is present in the session,
                   4082: it will be output using this option;
                   4083: if the
                   4084: .Fl text
                   4085: option is also present, then it will be printed out in text form.
                   4086: .It Fl context Ar ID
1.69      jmc      4087: Set the session
1.1       jsing    4088: .Ar ID .
1.69      jmc      4089: The ID can be any string of characters.
1.1       jsing    4090: .It Fl in Ar file
1.69      jmc      4091: The input file to read from,
                   4092: or standard input if not specified.
                   4093: .It Fl inform Cm der | pem
                   4094: The input format.
                   4095: .Cm der
1.84      jmc      4096: uses an ASN.1 DER-encoded format containing session details.
1.1       jsing    4097: The precise format can vary from one version to the next.
1.69      jmc      4098: .Cm pem
                   4099: is the default format: it consists of the DER
1.1       jsing    4100: format base64-encoded with additional header and footer lines.
                   4101: .It Fl noout
1.69      jmc      4102: Do not output the encoded version of the session.
1.1       jsing    4103: .It Fl out Ar file
1.69      jmc      4104: The output file to write to,
                   4105: or standard output if not specified.
                   4106: .It Fl outform Cm der | pem
                   4107: The output format.
1.1       jsing    4108: .It Fl text
1.69      jmc      4109: Print the various public or private key components in plain text,
                   4110: in addition to the encoded version.
1.1       jsing    4111: .El
                   4112: .Pp
1.69      jmc      4113: The output of
                   4114: .Nm sess_id
                   4115: is composed as follows:
1.1       jsing    4116: .Pp
1.69      jmc      4117: .Bl -tag -width "Verify return code " -offset 3n -compact
                   4118: .It Protocol
                   4119: The protocol in use.
                   4120: .It Cipher
                   4121: The actual raw SSL or TLS cipher code.
                   4122: .It Session-ID
                   4123: The SSL session ID, in hex format.
                   4124: .It Session-ID-ctx
                   4125: The session ID context, in hex format.
                   4126: .It Master-Key
                   4127: The SSL session master key.
                   4128: .It Key-Arg
1.1       jsing    4129: The key argument; this is only used in SSL v2.
1.69      jmc      4130: .It Start Time
                   4131: The session start time.
1.1       jsing    4132: .Ux
                   4133: format.
1.69      jmc      4134: .It Timeout
                   4135: The timeout, in seconds.
                   4136: .It Verify return code
                   4137: The return code when a certificate is verified.
1.1       jsing    4138: .El
                   4139: .Pp
                   4140: Since the SSL session output contains the master key, it is possible to read
                   4141: the contents of an encrypted session using this information.
                   4142: Therefore appropriate security precautions
                   4143: should be taken if the information is being output by a
                   4144: .Qq real
                   4145: application.
                   4146: This is, however, strongly discouraged and should only be used for
                   4147: debugging purposes.
                   4148: .Sh SMIME
                   4149: .nr nS 1
                   4150: .Nm "openssl smime"
                   4151: .Oo
                   4152: .Fl aes128 | aes192 | aes256 | des |
                   4153: .Fl des3 | rc2-40 | rc2-64 | rc2-128
                   4154: .Oc
                   4155: .Op Fl binary
                   4156: .Op Fl CAfile Ar file
                   4157: .Op Fl CApath Ar directory
                   4158: .Op Fl certfile Ar file
                   4159: .Op Fl check_ss_sig
                   4160: .Op Fl content Ar file
                   4161: .Op Fl crl_check
                   4162: .Op Fl crl_check_all
                   4163: .Op Fl decrypt
                   4164: .Op Fl encrypt
                   4165: .Op Fl extended_crl
                   4166: .Op Fl from Ar addr
                   4167: .Op Fl ignore_critical
                   4168: .Op Fl in Ar file
                   4169: .Op Fl indef
1.70      jmc      4170: .Op Fl inform Cm der | pem | smime
1.1       jsing    4171: .Op Fl inkey Ar file
                   4172: .Op Fl issuer_checks
1.70      jmc      4173: .Op Fl keyform Cm pem
1.1       jsing    4174: .Op Fl md Ar digest
                   4175: .Op Fl noattr
                   4176: .Op Fl nocerts
                   4177: .Op Fl nochain
                   4178: .Op Fl nodetach
                   4179: .Op Fl noindef
                   4180: .Op Fl nointern
                   4181: .Op Fl nosigs
                   4182: .Op Fl noverify
                   4183: .Op Fl out Ar file
1.70      jmc      4184: .Op Fl outform Cm der | pem | smime
1.1       jsing    4185: .Op Fl passin Ar arg
                   4186: .Op Fl pk7out
                   4187: .Op Fl policy_check
                   4188: .Op Fl recip Ar file
                   4189: .Op Fl resign
                   4190: .Op Fl sign
                   4191: .Op Fl signer Ar file
                   4192: .Op Fl stream
                   4193: .Op Fl subject Ar s
                   4194: .Op Fl text
                   4195: .Op Fl to Ar addr
                   4196: .Op Fl verify
                   4197: .Op Fl x509_strict
                   4198: .Op Ar cert.pem ...
                   4199: .nr nS 0
                   4200: .Pp
                   4201: The
                   4202: .Nm smime
1.70      jmc      4203: command handles S/MIME mail.
                   4204: It can encrypt, decrypt, sign, and verify S/MIME messages.
                   4205: .Pp
                   4206: The MIME message must be sent without any blank lines between the
                   4207: headers and the output.
                   4208: Some mail programs will automatically add a blank line.
                   4209: Piping the mail directly to an MTA is one way to
                   4210: achieve the correct format.
                   4211: .Pp
                   4212: The supplied message to be signed or encrypted must include the necessary
                   4213: MIME headers or many S/MIME clients won't display it properly (if at all).
                   4214: Use the
                   4215: .Fl text
                   4216: option to automatically add plain text headers.
1.1       jsing    4217: .Pp
1.70      jmc      4218: A
                   4219: .Qq signed and encrypted
                   4220: message is one where a signed message is then encrypted.
                   4221: This can be produced by encrypting an already signed message.
1.1       jsing    4222: .Pp
1.70      jmc      4223: There are a number of operations that can be performed, as follows:
1.1       jsing    4224: .Bl -tag -width "XXXX"
                   4225: .It Fl decrypt
                   4226: Decrypt mail using the supplied certificate and private key.
1.70      jmc      4227: The input file is an encrypted mail message in MIME format.
1.1       jsing    4228: The decrypted mail is written to the output file.
                   4229: .It Fl encrypt
                   4230: Encrypt mail for the given recipient certificates.
1.70      jmc      4231: The input is the message to be encrypted.
                   4232: The output file is the encrypted mail, in MIME format.
1.1       jsing    4233: .It Fl pk7out
1.70      jmc      4234: Take an input message and write out a PEM-encoded PKCS#7 structure.
1.1       jsing    4235: .It Fl resign
                   4236: Resign a message: take an existing message and one or more new signers.
                   4237: .It Fl sign
                   4238: Sign mail using the supplied certificate and private key.
1.70      jmc      4239: The input file is the message to be signed.
                   4240: The signed message, in MIME format, is written to the output file.
1.1       jsing    4241: .It Fl verify
                   4242: Verify signed mail.
1.70      jmc      4243: The input is a signed mail message and the output is the signed data.
1.1       jsing    4244: Both clear text and opaque signing is supported.
                   4245: .El
                   4246: .Pp
1.14      jmc      4247: The remaining options are as follows:
1.1       jsing    4248: .Bl -tag -width "XXXX"
                   4249: .It Xo
                   4250: .Fl aes128 | aes192 | aes256 | des |
                   4251: .Fl des3 | rc2-40 | rc2-64 | rc2-128
                   4252: .Xc
                   4253: The encryption algorithm to use.
1.70      jmc      4254: 128-, 192-, or 256-bit AES, DES (56 bits), triple DES (168 bits),
1.1       jsing    4255: or 40-, 64-, or 128-bit RC2, respectively;
                   4256: if not specified, 40-bit RC2 is
                   4257: used.
                   4258: Only used with
                   4259: .Fl encrypt .
                   4260: .It Fl binary
                   4261: Normally, the input message is converted to
                   4262: .Qq canonical
1.70      jmc      4263: format which uses CR/LF as end of line,
                   4264: as required by the S/MIME specification.
1.1       jsing    4265: When this option is present no translation occurs.
1.70      jmc      4266: This is useful when handling binary data which may not be in MIME format.
1.1       jsing    4267: .It Fl CAfile Ar file
                   4268: A
                   4269: .Ar file
                   4270: containing trusted CA certificates; only used with
                   4271: .Fl verify .
                   4272: .It Fl CApath Ar directory
                   4273: A
                   4274: .Ar directory
                   4275: containing trusted CA certificates; only used with
                   4276: .Fl verify .
                   4277: This directory must be a standard certificate directory:
                   4278: that is, a hash of each subject name (using
                   4279: .Nm x509 -hash )
                   4280: should be linked to each certificate.
                   4281: .It Ar cert.pem ...
                   4282: One or more certificates of message recipients: used when encrypting
                   4283: a message.
                   4284: .It Fl certfile Ar file
                   4285: Allows additional certificates to be specified.
                   4286: When signing, these will be included with the message.
                   4287: When verifying, these will be searched for the signers' certificates.
                   4288: The certificates should be in PEM format.
                   4289: .It Xo
                   4290: .Fl check_ss_sig ,
                   4291: .Fl crl_check ,
                   4292: .Fl crl_check_all ,
                   4293: .Fl extended_crl ,
                   4294: .Fl ignore_critical ,
                   4295: .Fl issuer_checks ,
                   4296: .Fl policy_check ,
                   4297: .Fl x509_strict
                   4298: .Xc
                   4299: Set various certificate chain validation options.
                   4300: See the
1.70      jmc      4301: .Nm verify
1.1       jsing    4302: command for details.
                   4303: .It Fl content Ar file
1.70      jmc      4304: A file containing the detached content.
1.1       jsing    4305: This is only useful with the
                   4306: .Fl verify
1.70      jmc      4307: option,
                   4308: and only usable if the PKCS#7 structure is using the detached
1.1       jsing    4309: signature form where the content is not included.
1.70      jmc      4310: This option will override any content if the input format is S/MIME
                   4311: and it uses the multipart/signed MIME content type.
1.1       jsing    4312: .It Xo
                   4313: .Fl from Ar addr ,
                   4314: .Fl subject Ar s ,
                   4315: .Fl to Ar addr
                   4316: .Xc
                   4317: The relevant mail headers.
                   4318: These are included outside the signed
                   4319: portion of a message so they may be included manually.
1.70      jmc      4320: When signing, many S/MIME
1.1       jsing    4321: mail clients check that the signer's certificate email
                   4322: address matches the From: address.
                   4323: .It Fl in Ar file
1.70      jmc      4324: The input file to read from.
1.1       jsing    4325: .It Fl indef
                   4326: Enable streaming I/O for encoding operations.
                   4327: This permits single pass processing of data without
                   4328: the need to hold the entire contents in memory,
                   4329: potentially supporting very large files.
                   4330: Streaming is automatically set for S/MIME signing with detached
                   4331: data if the output format is SMIME;
                   4332: it is currently off by default for all other operations.
1.70      jmc      4333: .It Fl inform Cm der | pem | smime
                   4334: The input format.
1.1       jsing    4335: .It Fl inkey Ar file
1.70      jmc      4336: The private key to use when signing or decrypting,
                   4337: which must match the corresponding certificate.
1.1       jsing    4338: If this option is not specified, the private key must be included
                   4339: in the certificate file specified with
                   4340: the
                   4341: .Fl recip
                   4342: or
                   4343: .Fl signer
                   4344: file.
                   4345: When signing,
                   4346: this option can be used multiple times to specify successive keys.
1.70      jmc      4347: .It Fl keyform Cm pem
1.1       jsing    4348: Input private key format.
                   4349: .It Fl md Ar digest
                   4350: The digest algorithm to use when signing or resigning.
                   4351: If not present then the default digest algorithm for the signing key is used
                   4352: (usually SHA1).
                   4353: .It Fl noattr
1.70      jmc      4354: Do not include attributes.
1.1       jsing    4355: .It Fl nocerts
1.70      jmc      4356: Do not include the signer's certificate.
1.1       jsing    4357: This will reduce the size of the signed message but the verifier must
                   4358: have a copy of the signer's certificate available locally (passed using the
                   4359: .Fl certfile
                   4360: option, for example).
                   4361: .It Fl nochain
                   4362: Do not do chain verification of signers' certificates: that is,
                   4363: don't use the certificates in the signed message as untrusted CAs.
                   4364: .It Fl nodetach
                   4365: When signing a message use opaque signing: this form is more resistant
                   4366: to translation by mail relays but it cannot be read by mail agents that
1.70      jmc      4367: do not support S/MIME.
                   4368: Without this option cleartext signing with the MIME type
                   4369: multipart/signed is used.
1.1       jsing    4370: .It Fl noindef
1.70      jmc      4371: Disable streaming I/O where it would produce an encoding of indefinite length
                   4372: (currently has no effect).
1.1       jsing    4373: .It Fl nointern
1.70      jmc      4374: Only use certificates specified in the
                   4375: .Fl certfile .
                   4376: The supplied certificates can still be used as untrusted CAs.
1.1       jsing    4377: .It Fl nosigs
1.70      jmc      4378: Do not try to verify the signatures on the message.
1.1       jsing    4379: .It Fl noverify
                   4380: Do not verify the signer's certificate of a signed message.
                   4381: .It Fl out Ar file
1.70      jmc      4382: The output file to write to.
                   4383: .It Fl outform Cm der | pem | smime
                   4384: The output format.
                   4385: The default is smime, which writes an S/MIME format message.
                   4386: .Cm pem
1.1       jsing    4387: and
1.70      jmc      4388: .Cm der
                   4389: change this to write PEM and DER format PKCS#7 structures instead.
1.1       jsing    4390: This currently only affects the output format of the PKCS#7
                   4391: structure; if no PKCS#7 structure is being output (for example with
                   4392: .Fl verify
                   4393: or
                   4394: .Fl decrypt )
                   4395: this option has no effect.
                   4396: .It Fl passin Ar arg
                   4397: The key password source.
                   4398: .It Fl recip Ar file
                   4399: The recipients certificate when decrypting a message.
                   4400: This certificate
                   4401: must match one of the recipients of the message or an error occurs.
                   4402: .It Fl signer Ar file
                   4403: A signing certificate when signing or resigning a message;
                   4404: this option can be used multiple times if more than one signer is required.
                   4405: If a message is being verified, the signer's certificates will be
                   4406: written to this file if the verification was successful.
                   4407: .It Fl stream
                   4408: The same as
                   4409: .Fl indef .
                   4410: .It Fl text
1.70      jmc      4411: Add plain text (text/plain) MIME
1.1       jsing    4412: headers to the supplied message if encrypting or signing.
                   4413: If decrypting or verifying, it strips off text headers:
1.70      jmc      4414: if the decrypted or verified message is not of MIME type text/plain
                   4415: then an error occurs.
1.1       jsing    4416: .El
                   4417: .Pp
1.70      jmc      4418: The exit codes for
                   4419: .Nm smime
                   4420: are as follows:
1.1       jsing    4421: .Pp
1.70      jmc      4422: .Bl -tag -width "XXXX"  -offset 3n -compact
                   4423: .It 0
1.1       jsing    4424: The operation was completely successful.
1.70      jmc      4425: .It 1
1.1       jsing    4426: An error occurred parsing the command options.
1.70      jmc      4427: .It 2
1.1       jsing    4428: One of the input files could not be read.
1.70      jmc      4429: .It 3
                   4430: An error occurred creating the file or when reading the message.
                   4431: .It 4
1.1       jsing    4432: An error occurred decrypting or verifying the message.
1.70      jmc      4433: .It 5
                   4434: An error occurred writing certificates.
1.1       jsing    4435: .El
                   4436: .Sh SPEED
                   4437: .nr nS 1
                   4438: .Nm "openssl speed"
1.71      jmc      4439: .Op Ar algorithm
1.1       jsing    4440: .Op Fl decrypt
                   4441: .Op Fl elapsed
1.71      jmc      4442: .Op Fl evp Ar algorithm
1.1       jsing    4443: .Op Fl mr
                   4444: .Op Fl multi Ar number
                   4445: .nr nS 0
                   4446: .Pp
                   4447: The
                   4448: .Nm speed
                   4449: command is used to test the performance of cryptographic algorithms.
                   4450: .Bl -tag -width "XXXX"
1.71      jmc      4451: .It Ar algorithm
                   4452: Perform the test using
                   4453: .Ar algorithm .
                   4454: The default is to test all algorithms.
1.1       jsing    4455: .It Fl decrypt
1.71      jmc      4456: Time decryption instead of encryption;
                   4457: must be used with
                   4458: .Fl evp .
1.1       jsing    4459: .It Fl elapsed
                   4460: Measure time in real time instead of CPU user time.
1.71      jmc      4461: .It Fl evp Ar algorithm
                   4462: Perform the test using one of the algorithms accepted by
                   4463: .Xr EVP_get_cipherbyname 3 .
1.1       jsing    4464: .It Fl mr
                   4465: Produce machine readable output.
                   4466: .It Fl multi Ar number
                   4467: Run
                   4468: .Ar number
                   4469: benchmarks in parallel.
                   4470: .El
1.77      jmc      4471: .Sh SPKAC
                   4472: .nr nS 1
                   4473: .Nm "openssl spkac"
                   4474: .Op Fl challenge Ar string
                   4475: .Op Fl in Ar file
                   4476: .Op Fl key Ar keyfile
                   4477: .Op Fl noout
                   4478: .Op Fl out Ar file
                   4479: .Op Fl passin Ar arg
                   4480: .Op Fl pubkey
                   4481: .Op Fl spkac Ar spkacname
                   4482: .Op Fl spksect Ar section
                   4483: .Op Fl verify
                   4484: .nr nS 0
                   4485: .Pp
                   4486: The
                   4487: .Nm spkac
                   4488: command processes signed public key and challenge (SPKAC) files.
                   4489: It can print out their contents, verify the signature,
                   4490: and produce its own SPKACs from a supplied private key.
                   4491: .Pp
                   4492: The options are as follows:
                   4493: .Bl -tag -width Ds
                   4494: .It Fl challenge Ar string
                   4495: The challenge string, if an SPKAC is being created.
                   4496: .It Fl in Ar file
                   4497: The input file to read from,
                   4498: or standard input if not specified.
                   4499: Ignored if the
                   4500: .Fl key
                   4501: option is used.
                   4502: .It Fl key Ar keyfile
                   4503: Create an SPKAC file using the private key in
                   4504: .Ar keyfile .
                   4505: The
                   4506: .Fl in , noout , spksect ,
                   4507: and
                   4508: .Fl verify
                   4509: options are ignored, if present.
                   4510: .It Fl noout
                   4511: Do not output the text version of the SPKAC.
                   4512: .It Fl out Ar file
                   4513: The output file to write to,
                   4514: or standard output if not specified.
                   4515: .It Fl passin Ar arg
                   4516: The key password source.
                   4517: .It Fl pubkey
                   4518: Output the public key of an SPKAC.
                   4519: .It Fl spkac Ar spkacname
                   4520: An alternative name for the variable containing the SPKAC.
                   4521: The default is "SPKAC".
                   4522: This option affects both generated and input SPKAC files.
                   4523: .It Fl spksect Ar section
                   4524: An alternative name for the
                   4525: .Ar section
                   4526: containing the SPKAC.
                   4527: .It Fl verify
                   4528: Verify the digital signature on the supplied SPKAC.
                   4529: .El
1.1       jsing    4530: .Sh TS
                   4531: .nr nS 1
                   4532: .Nm "openssl ts"
                   4533: .Fl query
1.29      bcook    4534: .Op Fl md4 | md5 | ripemd160 | sha1
1.1       jsing    4535: .Op Fl cert
                   4536: .Op Fl config Ar configfile
                   4537: .Op Fl data Ar file_to_hash
                   4538: .Op Fl digest Ar digest_bytes
                   4539: .Op Fl in Ar request.tsq
                   4540: .Op Fl no_nonce
                   4541: .Op Fl out Ar request.tsq
                   4542: .Op Fl policy Ar object_id
                   4543: .Op Fl text
                   4544: .nr nS 0
                   4545: .Pp
                   4546: .nr nS 1
                   4547: .Nm "openssl ts"
                   4548: .Fl reply
                   4549: .Op Fl chain Ar certs_file.pem
                   4550: .Op Fl config Ar configfile
                   4551: .Op Fl in Ar response.tsr
                   4552: .Op Fl inkey Ar private.pem
                   4553: .Op Fl out Ar response.tsr
                   4554: .Op Fl passin Ar arg
                   4555: .Op Fl policy Ar object_id
                   4556: .Op Fl queryfile Ar request.tsq
                   4557: .Op Fl section Ar tsa_section
                   4558: .Op Fl signer Ar tsa_cert.pem
                   4559: .Op Fl text
                   4560: .Op Fl token_in
                   4561: .Op Fl token_out
                   4562: .nr nS 0
                   4563: .Pp
                   4564: .nr nS 1
                   4565: .Nm "openssl ts"
                   4566: .Fl verify
                   4567: .Op Fl CAfile Ar trusted_certs.pem
                   4568: .Op Fl CApath Ar trusted_cert_path
                   4569: .Op Fl data Ar file_to_hash
                   4570: .Op Fl digest Ar digest_bytes
                   4571: .Op Fl in Ar response.tsr
                   4572: .Op Fl queryfile Ar request.tsq
                   4573: .Op Fl token_in
                   4574: .Op Fl untrusted Ar cert_file.pem
                   4575: .nr nS 0
                   4576: .Pp
                   4577: The
                   4578: .Nm ts
                   4579: command is a basic Time Stamping Authority (TSA) client and server
                   4580: application as specified in RFC 3161 (Time-Stamp Protocol, TSP).
                   4581: A TSA can be part of a PKI deployment and its role is to provide long
1.72      jmc      4582: term proof of the existence of specific data.
1.1       jsing    4583: Here is a brief description of the protocol:
                   4584: .Bl -enum
                   4585: .It
                   4586: The TSA client computes a one-way hash value for a data file and sends
                   4587: the hash to the TSA.
                   4588: .It
                   4589: The TSA attaches the current date and time to the received hash value,
                   4590: signs them and sends the time stamp token back to the client.
                   4591: By creating this token the TSA certifies the existence of the original
                   4592: data file at the time of response generation.
                   4593: .It
                   4594: The TSA client receives the time stamp token and verifies the
                   4595: signature on it.
                   4596: It also checks if the token contains the same hash
                   4597: value that it had sent to the TSA.
                   4598: .El
                   4599: .Pp
                   4600: There is one DER-encoded protocol data unit defined for transporting a time
                   4601: stamp request to the TSA and one for sending the time stamp response
                   4602: back to the client.
                   4603: The
                   4604: .Nm ts
                   4605: command has three main functions:
                   4606: creating a time stamp request based on a data file;
                   4607: creating a time stamp response based on a request;
                   4608: and verifying if a response corresponds
                   4609: to a particular request or a data file.
                   4610: .Pp
                   4611: There is no support for sending the requests/responses automatically
                   4612: over HTTP or TCP yet as suggested in RFC 3161.
                   4613: Users must send the requests either by FTP or email.
                   4614: .Pp
                   4615: The
                   4616: .Fl query
                   4617: switch can be used for creating and printing a time stamp
                   4618: request with the following options:
                   4619: .Bl -tag -width Ds
                   4620: .It Fl cert
1.72      jmc      4621: Expect the TSA to include its signing certificate in the response.
1.1       jsing    4622: .It Fl config Ar configfile
1.72      jmc      4623: Specify an alternative configuration file.
                   4624: Only the OID section is used.
1.1       jsing    4625: .It Fl data Ar file_to_hash
                   4626: The data file for which the time stamp request needs to be created.
1.72      jmc      4627: The default is standard input.
1.1       jsing    4628: .It Fl digest Ar digest_bytes
1.72      jmc      4629: Specify the message imprint explicitly without the data file.
1.1       jsing    4630: The imprint must be specified in a hexadecimal format,
                   4631: two characters per byte,
1.72      jmc      4632: the bytes optionally separated by colons.
1.1       jsing    4633: The number of bytes must match the message digest algorithm in use.
                   4634: .It Fl in Ar request.tsq
1.72      jmc      4635: A previously created time stamp request in DER
1.1       jsing    4636: format that will be printed into the output file.
1.72      jmc      4637: Useful for examining the content of a request in human-readable format.
1.76      jmc      4638: .It Fl md4 | md5 | ripemd160 | sha | sha1
1.1       jsing    4639: The message digest to apply to the data file.
                   4640: It supports all the message digest algorithms that are supported by the
                   4641: .Nm dgst
                   4642: command.
                   4643: The default is SHA-1.
                   4644: .It Fl no_nonce
1.72      jmc      4645: Specify no nonce in the request.
                   4646: The default, to include a 64-bit long pseudo-random nonce,
                   4647: is recommended to protect against replay attacks.
1.1       jsing    4648: .It Fl out Ar request.tsq
1.72      jmc      4649: The output file to write to,
                   4650: or standard output if not specified.
1.1       jsing    4651: .It Fl policy Ar object_id
                   4652: The policy that the client expects the TSA to use for creating the
                   4653: time stamp token.
1.72      jmc      4654: Either dotted OID notation or OID names defined
1.1       jsing    4655: in the config file can be used.
1.72      jmc      4656: If no policy is requested the TSA uses its own default policy.
1.1       jsing    4657: .It Fl text
1.72      jmc      4658: Output in human-readable text format instead of DER.
1.1       jsing    4659: .El
                   4660: .Pp
                   4661: A time stamp response (TimeStampResp) consists of a response status
                   4662: and the time stamp token itself (ContentInfo),
                   4663: if the token generation was successful.
                   4664: The
                   4665: .Fl reply
                   4666: command is for creating a time stamp
                   4667: response or time stamp token based on a request and printing the
                   4668: response/token in human-readable format.
                   4669: If
                   4670: .Fl token_out
                   4671: is not specified the output is always a time stamp response (TimeStampResp),
                   4672: otherwise it is a time stamp token (ContentInfo).
                   4673: .Bl -tag -width Ds
                   4674: .It Fl chain Ar certs_file.pem
1.72      jmc      4675: The collection of PEM certificates
1.1       jsing    4676: that will be included in the response
                   4677: in addition to the signer certificate if the
                   4678: .Fl cert
                   4679: option was used for the request.
                   4680: This file is supposed to contain the certificate chain
                   4681: for the signer certificate from its issuer upwards.
                   4682: The
                   4683: .Fl reply
                   4684: command does not build a certificate chain automatically.
                   4685: .It Fl config Ar configfile
1.72      jmc      4686: Specify an alternative configuration file.
1.1       jsing    4687: .It Fl in Ar response.tsr
1.72      jmc      4688: Specify a previously created time stamp response (or time stamp token, if
1.1       jsing    4689: .Fl token_in
1.72      jmc      4690: is also specified)
1.1       jsing    4691: in DER format that will be written to the output file.
                   4692: This option does not require a request;
                   4693: it is useful, for example,
1.72      jmc      4694: to examine the content of a response or token
                   4695: or to extract the time stamp token from a response.
1.1       jsing    4696: If the input is a token and the output is a time stamp response a default
1.72      jmc      4697: .Qq granted
1.1       jsing    4698: status info is added to the token.
                   4699: .It Fl inkey Ar private.pem
                   4700: The signer private key of the TSA in PEM format.
                   4701: Overrides the
                   4702: .Cm signer_key
                   4703: config file option.
                   4704: .It Fl out Ar response.tsr
                   4705: The response is written to this file.
                   4706: The format and content of the file depends on other options (see
                   4707: .Fl text
                   4708: and
                   4709: .Fl token_out ) .
                   4710: The default is stdout.
                   4711: .It Fl passin Ar arg
                   4712: The key password source.
                   4713: .It Fl policy Ar object_id
1.72      jmc      4714: The default policy to use for the response.
                   4715: Either dotted OID notation or OID names defined
                   4716: in the config file can be used.
                   4717: If no policy is requested the TSA uses its own default policy.
1.1       jsing    4718: .It Fl queryfile Ar request.tsq
1.72      jmc      4719: The file containing a DER-encoded time stamp request.
1.1       jsing    4720: .It Fl section Ar tsa_section
1.72      jmc      4721: The config file section containing the settings for response generation.
1.1       jsing    4722: .It Fl signer Ar tsa_cert.pem
1.72      jmc      4723: The PEM signer certificate of the TSA.
1.1       jsing    4724: The TSA signing certificate must have exactly one extended key usage
                   4725: assigned to it: timeStamping.
                   4726: The extended key usage must also be critical,
                   4727: otherwise the certificate is going to be refused.
                   4728: Overrides the
                   4729: .Cm signer_cert
                   4730: variable of the config file.
                   4731: .It Fl text
1.72      jmc      4732: Output in human-readable text format instead of DER.
1.1       jsing    4733: .It Fl token_in
1.72      jmc      4734: The input is a DER-encoded time stamp token (ContentInfo)
                   4735: instead of a time stamp response (TimeStampResp).
1.1       jsing    4736: .It Fl token_out
1.72      jmc      4737: The output is a time stamp token (ContentInfo)
                   4738: instead of a time stamp response (TimeStampResp).
1.1       jsing    4739: .El
                   4740: .Pp
                   4741: The
                   4742: .Fl verify
                   4743: command is for verifying if a time stamp response or time stamp token
                   4744: is valid and matches a particular time stamp request or data file.
                   4745: The
                   4746: .Fl verify
                   4747: command does not use the configuration file.
                   4748: .Bl -tag -width Ds
                   4749: .It Fl CAfile Ar trusted_certs.pem
1.72      jmc      4750: The file containing a set of trusted self-signed PEM CA certificates.
                   4751: See
1.1       jsing    4752: .Nm verify
                   4753: for additional details.
                   4754: Either this option or
                   4755: .Fl CApath
                   4756: must be specified.
                   4757: .It Fl CApath Ar trusted_cert_path
1.72      jmc      4758: The directory containing the trused CA certificates of the client.
                   4759: See
1.1       jsing    4760: .Nm verify
                   4761: for additional details.
                   4762: Either this option or
                   4763: .Fl CAfile
                   4764: must be specified.
                   4765: .It Fl data Ar file_to_hash
                   4766: The response or token must be verified against
                   4767: .Ar file_to_hash .
                   4768: The file is hashed with the message digest algorithm specified in the token.
                   4769: The
                   4770: .Fl digest
                   4771: and
                   4772: .Fl queryfile
                   4773: options must not be specified with this one.
                   4774: .It Fl digest Ar digest_bytes
                   4775: The response or token must be verified against the message digest specified
                   4776: with this option.
                   4777: The number of bytes must match the message digest algorithm
                   4778: specified in the token.
                   4779: The
                   4780: .Fl data
                   4781: and
                   4782: .Fl queryfile
                   4783: options must not be specified with this one.
                   4784: .It Fl in Ar response.tsr
                   4785: The time stamp response that needs to be verified, in DER format.
                   4786: This option in mandatory.
                   4787: .It Fl queryfile Ar request.tsq
                   4788: The original time stamp request, in DER format.
                   4789: The
                   4790: .Fl data
                   4791: and
                   4792: .Fl digest
                   4793: options must not be specified with this one.
                   4794: .It Fl token_in
1.72      jmc      4795: The input is a DER-encoded time stamp token (ContentInfo)
                   4796: instead of a time stamp response (TimeStampResp).
1.1       jsing    4797: .It Fl untrusted Ar cert_file.pem
1.72      jmc      4798: Additional untrusted PEM certificates which may be needed
                   4799: when building the certificate chain for the TSA's signing certificate.
1.1       jsing    4800: This file must contain the TSA signing certificate and
                   4801: all intermediate CA certificates unless the response includes them.
                   4802: .El
                   4803: .Pp
1.72      jmc      4804: Options specified on the command line always override
                   4805: the settings in the config file:
1.1       jsing    4806: .Bl -tag -width Ds
                   4807: .It Cm tsa Ar section , Cm default_tsa
                   4808: This is the main section and it specifies the name of another section
                   4809: that contains all the options for the
                   4810: .Fl reply
                   4811: option.
1.72      jmc      4812: This section can be overridden with the
1.1       jsing    4813: .Fl section
                   4814: command line switch.
                   4815: .It Cm oid_file
                   4816: See
                   4817: .Nm ca
                   4818: for a description.
                   4819: .It Cm oid_section
                   4820: See
                   4821: .Nm ca
                   4822: for a description.
                   4823: .It Cm serial
1.72      jmc      4824: The file containing the hexadecimal serial number of the
1.1       jsing    4825: last time stamp response created.
                   4826: This number is incremented by 1 for each response.
1.72      jmc      4827: If the file does not exist at the time of response generation
                   4828: a new file is created with serial number 1.
1.1       jsing    4829: This parameter is mandatory.
                   4830: .It Cm signer_cert
                   4831: TSA signing certificate, in PEM format.
                   4832: The same as the
                   4833: .Fl signer
                   4834: command line option.
                   4835: .It Cm certs
1.72      jmc      4836: A set of PEM-encoded certificates that need to be
1.1       jsing    4837: included in the response.
                   4838: The same as the
                   4839: .Fl chain
                   4840: command line option.
                   4841: .It Cm signer_key
                   4842: The private key of the TSA, in PEM format.
                   4843: The same as the
                   4844: .Fl inkey
                   4845: command line option.
                   4846: .It Cm default_policy
                   4847: The default policy to use when the request does not mandate any policy.
                   4848: The same as the
                   4849: .Fl policy
                   4850: command line option.
                   4851: .It Cm other_policies
                   4852: Comma separated list of policies that are also acceptable by the TSA
                   4853: and used only if the request explicitly specifies one of them.
                   4854: .It Cm digests
                   4855: The list of message digest algorithms that the TSA accepts.
                   4856: At least one algorithm must be specified.
                   4857: This parameter is mandatory.
                   4858: .It Cm accuracy
                   4859: The accuracy of the time source of the TSA in seconds, milliseconds
                   4860: and microseconds.
                   4861: For example, secs:1, millisecs:500, microsecs:100.
                   4862: If any of the components is missing,
                   4863: zero is assumed for that field.
                   4864: .It Cm clock_precision_digits
1.72      jmc      4865: The maximum number of digits, which represent the fraction of seconds,
                   4866: that need to be included in the time field.
1.1       jsing    4867: The trailing zeroes must be removed from the time,
1.72      jmc      4868: so there might actually be fewer digits
1.1       jsing    4869: or no fraction of seconds at all.
                   4870: The maximum value is 6;
                   4871: the default is 0.
                   4872: .It Cm ordering
                   4873: If this option is yes,
                   4874: the responses generated by this TSA can always be ordered,
                   4875: even if the time difference between two responses is less
                   4876: than the sum of their accuracies.
                   4877: The default is no.
                   4878: .It Cm tsa_name
                   4879: Set this option to yes if the subject name of the TSA must be included in
                   4880: the TSA name field of the response.
                   4881: The default is no.
                   4882: .It Cm ess_cert_id_chain
                   4883: The SignedData objects created by the TSA always contain the
                   4884: certificate identifier of the signing certificate in a signed
                   4885: attribute (see RFC 2634, Enhanced Security Services).
                   4886: If this option is set to yes and either the
                   4887: .Cm certs
                   4888: variable or the
                   4889: .Fl chain
                   4890: option is specified then the certificate identifiers of the chain will also
                   4891: be included in the SigningCertificate signed attribute.
                   4892: If this variable is set to no,
                   4893: only the signing certificate identifier is included.
                   4894: The default is no.
                   4895: .El
                   4896: .Sh VERIFY
                   4897: .nr nS 1
                   4898: .Nm "openssl verify"
                   4899: .Op Fl CAfile Ar file
                   4900: .Op Fl CApath Ar directory
                   4901: .Op Fl check_ss_sig
                   4902: .Op Fl crl_check
                   4903: .Op Fl crl_check_all
                   4904: .Op Fl explicit_policy
                   4905: .Op Fl extended_crl
                   4906: .Op Fl help
                   4907: .Op Fl ignore_critical
                   4908: .Op Fl inhibit_any
                   4909: .Op Fl inhibit_map
                   4910: .Op Fl issuer_checks
                   4911: .Op Fl policy_check
                   4912: .Op Fl purpose Ar purpose
                   4913: .Op Fl untrusted Ar file
                   4914: .Op Fl verbose
                   4915: .Op Fl x509_strict
                   4916: .Op Ar certificates
                   4917: .nr nS 0
                   4918: .Pp
                   4919: The
                   4920: .Nm verify
                   4921: command verifies certificate chains.
                   4922: .Pp
                   4923: The options are as follows:
                   4924: .Bl -tag -width Ds
                   4925: .It Fl check_ss_sig
                   4926: Verify the signature on the self-signed root CA.
                   4927: This is disabled by default
                   4928: because it doesn't add any security.
                   4929: .It Fl CAfile Ar file
                   4930: A
                   4931: .Ar file
                   4932: of trusted certificates.
                   4933: The
                   4934: .Ar file
                   4935: should contain multiple certificates in PEM format, concatenated together.
                   4936: .It Fl CApath Ar directory
                   4937: A
                   4938: .Ar directory
                   4939: of trusted certificates.
1.76      jmc      4940: The certificates, or symbolic links to them,
                   4941: should have names of the form
                   4942: .Ar hash Ns .0 ,
                   4943: where
                   4944: .Ar hash
                   4945: is the hashed certificate subject name
                   4946: (see the
1.1       jsing    4947: .Fl hash
                   4948: option of the
                   4949: .Nm x509
                   4950: utility).
                   4951: .It Fl crl_check
1.76      jmc      4952: Check end entity certificate validity by attempting to look up a valid CRL.
1.1       jsing    4953: If a valid CRL cannot be found an error occurs.
                   4954: .It Fl crl_check_all
1.76      jmc      4955: Check the validity of all certificates in the chain by attempting
1.1       jsing    4956: to look up valid CRLs.
                   4957: .It Fl explicit_policy
1.76      jmc      4958: Set policy variable require-explicit-policy (RFC 3280).
1.1       jsing    4959: .It Fl extended_crl
                   4960: Enable extended CRL features such as indirect CRLs and alternate CRL
                   4961: signing keys.
                   4962: .It Fl help
1.76      jmc      4963: Print a usage message.
1.1       jsing    4964: .It Fl ignore_critical
1.76      jmc      4965: Ignore critical extensions instead of rejecting the certificate.
1.1       jsing    4966: .It Fl inhibit_any
1.76      jmc      4967: Set policy variable inhibit-any-policy (RFC 3280).
1.1       jsing    4968: .It Fl inhibit_map
1.76      jmc      4969: Set policy variable inhibit-policy-mapping (RFC 3280).
1.1       jsing    4970: .It Fl issuer_checks
1.76      jmc      4971: Print diagnostics relating to searches for the issuer certificate
                   4972: of the current certificate
                   4973: showing why each candidate issuer certificate was rejected.
                   4974: The presence of rejection messages
                   4975: does not itself imply that anything is wrong:
                   4976: during the normal verify process several rejections may take place.
1.1       jsing    4977: .It Fl policy_check
1.76      jmc      4978: Enable certificate policy processing.
1.1       jsing    4979: .It Fl purpose Ar purpose
                   4980: The intended use for the certificate.
                   4981: Without this option no chain verification will be done.
                   4982: Currently accepted uses are
1.76      jmc      4983: .Cm sslclient , sslserver ,
                   4984: .Cm nssslserver , smimesign ,
                   4985: .Cm smimeencrypt , crlsign ,
                   4986: .Cm any ,
1.1       jsing    4987: and
1.76      jmc      4988: .Cm ocsphelper .
1.1       jsing    4989: .It Fl untrusted Ar file
                   4990: A
                   4991: .Ar file
                   4992: of untrusted certificates.
                   4993: The
                   4994: .Ar file
                   4995: should contain multiple certificates.
                   4996: .It Fl verbose
                   4997: Print extra information about the operations being performed.
                   4998: .It Fl x509_strict
                   4999: Disable workarounds for broken certificates which have to be disabled
                   5000: for strict X.509 compliance.
                   5001: .It Ar certificates
1.76      jmc      5002: One or more PEM
1.1       jsing    5003: .Ar certificates
                   5004: to verify.
                   5005: If no certificate files are included, an attempt is made to read
                   5006: a certificate from standard input.
1.76      jmc      5007: If the first certificate filename begins with a dash,
                   5008: use a lone dash to mark the last option.
1.1       jsing    5009: .El
1.76      jmc      5010: .Pp
1.1       jsing    5011: The
                   5012: .Nm verify
                   5013: program uses the same functions as the internal SSL and S/MIME verification,
1.76      jmc      5014: with one crucial difference:
                   5015: wherever possible an attempt is made to continue after an error,
                   5016: whereas normally the verify operation would halt on the first error.
1.1       jsing    5017: This allows all the problems with a certificate chain to be determined.
                   5018: .Pp
1.76      jmc      5019: The verify operation consists of a number of separate steps.
1.1       jsing    5020: Firstly a certificate chain is built up starting from the supplied certificate
                   5021: and ending in the root CA.
                   5022: It is an error if the whole chain cannot be built up.
                   5023: The chain is built up by looking up the issuer's certificate of the current
                   5024: certificate.
                   5025: If a certificate is found which is its own issuer, it is assumed
                   5026: to be the root CA.
                   5027: .Pp
1.76      jmc      5028: All certificates whose subject name matches the issuer name
1.1       jsing    5029: of the current certificate are subject to further tests.
                   5030: The relevant authority key identifier components of the current certificate
1.76      jmc      5031: (if present) must match the subject key identifier (if present)
                   5032: and issuer and serial number of the candidate issuer;
                   5033: in addition the
                   5034: .Cm keyUsage
                   5035: extension of the candidate issuer (if present) must permit certificate signing.
1.1       jsing    5036: .Pp
                   5037: The lookup first looks in the list of untrusted certificates and if no match
                   5038: is found the remaining lookups are from the trusted certificates.
1.76      jmc      5039: The root CA is always looked up in the trusted certificate list:
                   5040: if the certificate to verify is a root certificate,
                   5041: then an exact match must be found in the trusted list.
1.1       jsing    5042: .Pp
                   5043: The second operation is to check every untrusted certificate's extensions for
                   5044: consistency with the supplied purpose.
                   5045: If the
                   5046: .Fl purpose
                   5047: option is not included, then no checks are done.
                   5048: The supplied or
                   5049: .Qq leaf
                   5050: certificate must have extensions compatible with the supplied purpose
                   5051: and all other certificates must also be valid CA certificates.
                   5052: The precise extensions required are described in more detail in
                   5053: the
1.76      jmc      5054: .Nm X509
1.1       jsing    5055: section below.
                   5056: .Pp
                   5057: The third operation is to check the trust settings on the root CA.
                   5058: The root CA should be trusted for the supplied purpose.
1.76      jmc      5059: A certificate with no trust settings is considered to be valid for
1.1       jsing    5060: all purposes.
                   5061: .Pp
                   5062: The final operation is to check the validity of the certificate chain.
                   5063: The validity period is checked against the current system time and the
1.76      jmc      5064: .Cm notBefore
1.1       jsing    5065: and
1.76      jmc      5066: .Cm notAfter
1.1       jsing    5067: dates in the certificate.
                   5068: The certificate signatures are also checked at this point.
                   5069: .Pp
                   5070: If all operations complete successfully, the certificate is considered
                   5071: valid.
                   5072: If any operation fails then the certificate is not valid.
                   5073: When a verify operation fails, the output messages can be somewhat cryptic.
                   5074: The general form of the error message is:
1.76      jmc      5075: .Bd -literal
                   5076: server.pem: /C=AU/ST=Queensland/O=CryptSoft Pty Ltd/CN=Test CA (1024-bit)
                   5077: error 24 at 1 depth lookup:invalid CA certificate
1.1       jsing    5078: .Ed
                   5079: .Pp
                   5080: The first line contains the name of the certificate being verified, followed by
                   5081: the subject name of the certificate.
                   5082: The second line contains the error number and the depth.
                   5083: The depth is the number of the certificate being verified when a
                   5084: problem was detected starting with zero for the certificate being verified
                   5085: itself, then 1 for the CA that signed the certificate and so on.
                   5086: Finally a text version of the error number is presented.
                   5087: .Pp
                   5088: An exhaustive list of the error codes and messages is shown below; this also
                   5089: includes the name of the error code as defined in the header file
1.12      bentley  5090: .In openssl/x509_vfy.h .
1.76      jmc      5091: Some of the error codes are defined but never returned: these are described as
1.1       jsing    5092: .Qq unused .
                   5093: .Bl -tag -width "XXXX"
1.78      jmc      5094: .It 0 X509_V_OK
1.1       jsing    5095: The operation was successful.
1.78      jmc      5096: .It 2 X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT
                   5097: The issuer certificate of an untrusted certificate could not be found.
                   5098: .It 3 X509_V_ERR_UNABLE_TO_GET_CRL
1.1       jsing    5099: The CRL of a certificate could not be found.
1.78      jmc      5100: .It 4 X509_V_ERR_UNABLE_TO_DECRYPT_CERT_SIGNATURE
1.1       jsing    5101: The certificate signature could not be decrypted.
1.78      jmc      5102: This means that the actual signature value could not be determined
                   5103: rather than it not matching the expected value.
1.1       jsing    5104: This is only meaningful for RSA keys.
1.78      jmc      5105: .It 5 X509_V_ERR_UNABLE_TO_DECRYPT_CRL_SIGNATURE
                   5106: The CRL signature could not be decrypted.
                   5107: This means that the actual signature value could not be determined
                   5108: rather than it not matching the expected value.
1.1       jsing    5109: Unused.
1.78      jmc      5110: .It 6 X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY
1.1       jsing    5111: The public key in the certificate
1.76      jmc      5112: .Cm SubjectPublicKeyInfo
1.1       jsing    5113: could not be read.
1.78      jmc      5114: .It 7 X509_V_ERR_CERT_SIGNATURE_FAILURE
1.1       jsing    5115: The signature of the certificate is invalid.
1.78      jmc      5116: .It 8 X509_V_ERR_CRL_SIGNATURE_FAILURE
1.1       jsing    5117: The signature of the certificate is invalid.
1.78      jmc      5118: .It 9 X509_V_ERR_CERT_NOT_YET_VALID
1.1       jsing    5119: The certificate is not yet valid: the
1.76      jmc      5120: .Cm notBefore
1.1       jsing    5121: date is after the current time.
1.78      jmc      5122: .It 10 X509_V_ERR_CERT_HAS_EXPIRED
1.1       jsing    5123: The certificate has expired; that is, the
1.76      jmc      5124: .Cm notAfter
1.1       jsing    5125: date is before the current time.
1.78      jmc      5126: .It 11 X509_V_ERR_CRL_NOT_YET_VALID
1.1       jsing    5127: The CRL is not yet valid.
1.78      jmc      5128: .It 12 X509_V_ERR_CRL_HAS_EXPIRED
1.1       jsing    5129: The CRL has expired.
1.78      jmc      5130: .It 13 X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD
1.1       jsing    5131: The certificate
1.76      jmc      5132: .Cm notBefore
1.1       jsing    5133: field contains an invalid time.
1.78      jmc      5134: .It 14 X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD
1.1       jsing    5135: The certificate
1.76      jmc      5136: .Cm notAfter
1.1       jsing    5137: field contains an invalid time.
1.78      jmc      5138: .It 15 X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD
1.1       jsing    5139: The CRL
1.76      jmc      5140: .Cm lastUpdate
1.1       jsing    5141: field contains an invalid time.
1.78      jmc      5142: .It 16 X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD
1.1       jsing    5143: The CRL
1.76      jmc      5144: .Cm nextUpdate
1.1       jsing    5145: field contains an invalid time.
1.78      jmc      5146: .It 17 X509_V_ERR_OUT_OF_MEM
1.1       jsing    5147: An error occurred trying to allocate memory.
                   5148: This should never happen.
1.78      jmc      5149: .It 18 X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT
1.1       jsing    5150: The passed certificate is self-signed and the same certificate cannot be
                   5151: found in the list of trusted certificates.
1.78      jmc      5152: .It 19 X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN
1.1       jsing    5153: The certificate chain could be built up using the untrusted certificates but
                   5154: the root could not be found locally.
1.78      jmc      5155: .It 20 X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY
1.1       jsing    5156: The issuer certificate of a locally looked up certificate could not be found.
                   5157: This normally means the list of trusted certificates is not complete.
1.78      jmc      5158: .It 21 X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE
1.1       jsing    5159: No signatures could be verified because the chain contains only one
                   5160: certificate and it is not self-signed.
1.78      jmc      5161: .It 22 X509_V_ERR_CERT_CHAIN_TOO_LONG
1.1       jsing    5162: The certificate chain length is greater than the supplied maximum depth.
                   5163: Unused.
1.78      jmc      5164: .It 23 X509_V_ERR_CERT_REVOKED
1.1       jsing    5165: The certificate has been revoked.
1.78      jmc      5166: .It 24 X509_V_ERR_INVALID_CA
1.1       jsing    5167: A CA certificate is invalid.
                   5168: Either it is not a CA or its extensions are not consistent
                   5169: with the supplied purpose.
1.78      jmc      5170: .It 25 X509_V_ERR_PATH_LENGTH_EXCEEDED
1.1       jsing    5171: The
1.76      jmc      5172: .Cm basicConstraints
1.1       jsing    5173: pathlength parameter has been exceeded.
1.78      jmc      5174: .It 26 X509_V_ERR_INVALID_PURPOSE
1.1       jsing    5175: The supplied certificate cannot be used for the specified purpose.
1.78      jmc      5176: .It 27 X509_V_ERR_CERT_UNTRUSTED
1.1       jsing    5177: The root CA is not marked as trusted for the specified purpose.
1.78      jmc      5178: .It 28 X509_V_ERR_CERT_REJECTED
1.1       jsing    5179: The root CA is marked to reject the specified purpose.
1.78      jmc      5180: .It 29 X509_V_ERR_SUBJECT_ISSUER_MISMATCH
1.1       jsing    5181: The current candidate issuer certificate was rejected because its subject name
                   5182: did not match the issuer name of the current certificate.
                   5183: Only displayed when the
                   5184: .Fl issuer_checks
                   5185: option is set.
1.78      jmc      5186: .It 30 X509_V_ERR_AKID_SKID_MISMATCH
1.1       jsing    5187: The current candidate issuer certificate was rejected because its subject key
                   5188: identifier was present and did not match the authority key identifier current
                   5189: certificate.
                   5190: Only displayed when the
                   5191: .Fl issuer_checks
                   5192: option is set.
1.78      jmc      5193: .It 31 X509_V_ERR_AKID_ISSUER_SERIAL_MISMATCH
1.1       jsing    5194: The current candidate issuer certificate was rejected because its issuer name
                   5195: and serial number were present and did not match the authority key identifier
                   5196: of the current certificate.
                   5197: Only displayed when the
                   5198: .Fl issuer_checks
                   5199: option is set.
1.78      jmc      5200: .It 32 X509_V_ERR_KEYUSAGE_NO_CERTSIGN
1.1       jsing    5201: The current candidate issuer certificate was rejected because its
1.76      jmc      5202: .Cm keyUsage
1.1       jsing    5203: extension does not permit certificate signing.
1.78      jmc      5204: .It 50 X509_V_ERR_APPLICATION_VERIFICATION
1.1       jsing    5205: An application specific error.
                   5206: Unused.
                   5207: .El
                   5208: .Sh VERSION
                   5209: .Nm openssl version
                   5210: .Op Fl abdfopv
                   5211: .Pp
                   5212: The
                   5213: .Nm version
                   5214: command is used to print out version information about
1.79      jmc      5215: .Nm openssl .
1.1       jsing    5216: .Pp
                   5217: The options are as follows:
                   5218: .Bl -tag -width Ds
                   5219: .It Fl a
                   5220: All information: this is the same as setting all the other flags.
                   5221: .It Fl b
                   5222: The date the current version of
1.79      jmc      5223: .Nm openssl
1.1       jsing    5224: was built.
                   5225: .It Fl d
                   5226: .Ev OPENSSLDIR
                   5227: setting.
                   5228: .It Fl f
                   5229: Compilation flags.
                   5230: .It Fl o
                   5231: Option information: various options set when the library was built.
                   5232: .It Fl p
                   5233: Platform setting.
                   5234: .It Fl v
                   5235: The current
1.79      jmc      5236: .Nm openssl
1.1       jsing    5237: version.
                   5238: .El
                   5239: .Sh X509
                   5240: .nr nS 1
                   5241: .Nm "openssl x509"
                   5242: .Op Fl C
                   5243: .Op Fl addreject Ar arg
                   5244: .Op Fl addtrust Ar arg
                   5245: .Op Fl alias
                   5246: .Op Fl CA Ar file
                   5247: .Op Fl CAcreateserial
1.80      jmc      5248: .Op Fl CAform Cm der | pem
1.1       jsing    5249: .Op Fl CAkey Ar file
1.80      jmc      5250: .Op Fl CAkeyform Cm der | pem
1.1       jsing    5251: .Op Fl CAserial Ar file
                   5252: .Op Fl certopt Ar option
                   5253: .Op Fl checkend Ar arg
                   5254: .Op Fl clrext
                   5255: .Op Fl clrreject
                   5256: .Op Fl clrtrust
                   5257: .Op Fl dates
                   5258: .Op Fl days Ar arg
                   5259: .Op Fl email
                   5260: .Op Fl enddate
                   5261: .Op Fl extensions Ar section
                   5262: .Op Fl extfile Ar file
                   5263: .Op Fl fingerprint
                   5264: .Op Fl hash
                   5265: .Op Fl in Ar file
1.80      jmc      5266: .Op Fl inform Cm der | net | pem
1.1       jsing    5267: .Op Fl issuer
                   5268: .Op Fl issuer_hash
                   5269: .Op Fl issuer_hash_old
1.80      jmc      5270: .Op Fl keyform Cm der | pem
1.29      bcook    5271: .Op Fl md5 | sha1
1.1       jsing    5272: .Op Fl modulus
                   5273: .Op Fl nameopt Ar option
                   5274: .Op Fl noout
                   5275: .Op Fl ocsp_uri
                   5276: .Op Fl ocspid
                   5277: .Op Fl out Ar file
1.80      jmc      5278: .Op Fl outform Cm der | net | pem
1.1       jsing    5279: .Op Fl passin Ar arg
                   5280: .Op Fl pubkey
                   5281: .Op Fl purpose
                   5282: .Op Fl req
                   5283: .Op Fl serial
                   5284: .Op Fl set_serial Ar n
                   5285: .Op Fl setalias Ar arg
                   5286: .Op Fl signkey Ar file
                   5287: .Op Fl startdate
                   5288: .Op Fl subject
                   5289: .Op Fl subject_hash
                   5290: .Op Fl subject_hash_old
                   5291: .Op Fl text
                   5292: .Op Fl trustout
                   5293: .Op Fl x509toreq
                   5294: .nr nS 0
                   5295: .Pp
                   5296: The
                   5297: .Nm x509
                   5298: command is a multi-purpose certificate utility.
                   5299: It can be used to display certificate information, convert certificates to
                   5300: various forms, sign certificate requests like a
                   5301: .Qq mini CA ,
                   5302: or edit certificate trust settings.
                   5303: .Pp
1.80      jmc      5304: The following are x509 input, output, and general purpose options:
1.1       jsing    5305: .Bl -tag -width "XXXX"
                   5306: .It Fl in Ar file
1.80      jmc      5307: The input file to read from,
                   5308: or standard input if not specified.
                   5309: .It Fl inform Cm der | net | pem
                   5310: The input format.
1.1       jsing    5311: Normally, the command will expect an X.509 certificate,
                   5312: but this can change if other options such as
                   5313: .Fl req
                   5314: are present.
1.29      bcook    5315: .It Fl md5 | sha1
1.1       jsing    5316: The digest to use.
                   5317: This affects any signing or display option that uses a message digest,
                   5318: such as the
                   5319: .Fl fingerprint , signkey ,
                   5320: and
                   5321: .Fl CA
                   5322: options.
                   5323: If not specified, MD5 is used.
1.80      jmc      5324: SHA1 is always used with DSA keys.
1.1       jsing    5325: .It Fl out Ar file
1.80      jmc      5326: The output file to write to,
                   5327: or standard output if none is specified.
                   5328: .It Fl outform Cm der | net | pem
                   5329: The output format.
1.1       jsing    5330: .It Fl passin Ar arg
                   5331: The key password source.
                   5332: .El
1.80      jmc      5333: .Pp
                   5334: The following are x509 display options:
1.1       jsing    5335: .Bl -tag -width "XXXX"
                   5336: .It Fl C
1.80      jmc      5337: Output the certificate in the form of a C source file.
1.1       jsing    5338: .It Fl certopt Ar option
                   5339: Customise the output format used with
1.80      jmc      5340: .Fl text ,
                   5341: either using a list of comma-separated options or by specifying
1.1       jsing    5342: .Fl certopt
1.80      jmc      5343: multiple times.
                   5344: The default behaviour is to print all fields.
                   5345: The options are as follows:
                   5346: .Pp
                   5347: .Bl -tag -width "no_extensions" -offset indent -compact
                   5348: .It Cm ca_default
                   5349: Equivalent to
                   5350: .Cm no_issuer , no_pubkey , no_header ,
                   5351: .Cm no_version , no_sigdump ,
                   5352: and
                   5353: .Cm no_signame .
                   5354: .It Cm compatible
                   5355: Equivalent to no output options at all.
                   5356: .It Cm ext_default
                   5357: Print unsupported certificate extensions.
                   5358: .It Cm ext_dump
                   5359: Hex dump unsupported extensions.
                   5360: .It Cm ext_error
                   5361: Print an error message for unsupported certificate extensions.
                   5362: .It Cm ext_parse
1.84      jmc      5363: ASN.1 parse unsupported extensions.
1.80      jmc      5364: .It Cm no_aux
                   5365: Do not print certificate trust information.
                   5366: .It Cm no_extensions
                   5367: Do not print X509V3 extensions.
                   5368: .It Cm no_header
                   5369: Do not print header (Certificate and Data) information.
                   5370: .It Cm no_issuer
                   5371: Do not print the issuer name.
                   5372: .It Cm no_pubkey
                   5373: Do not print the public key.
                   5374: .It Cm no_serial
                   5375: Do not print the serial number.
                   5376: .It Cm no_sigdump
                   5377: Do not give a hexadecimal dump of the certificate signature.
                   5378: .It Cm no_signame
                   5379: Do not print the signature algorithm used.
                   5380: .It Cm no_subject
                   5381: Do not print the subject name.
                   5382: .It Cm no_validity
                   5383: Do not print the
                   5384: .Cm notBefore
                   5385: and
                   5386: .Cm notAfter
                   5387: (validity) fields.
                   5388: .It Cm no_version
                   5389: Do not print the version number.
                   5390: .El
1.1       jsing    5391: .It Fl dates
1.80      jmc      5392: Print the start and expiry date of a certificate.
1.1       jsing    5393: .It Fl email
1.80      jmc      5394: Output the email addresses, if any.
1.1       jsing    5395: .It Fl enddate
1.80      jmc      5396: Print the expiry date of the certificate; that is, the
                   5397: .Cm notAfter
1.1       jsing    5398: date.
                   5399: .It Fl fingerprint
1.80      jmc      5400: Print the digest of the DER-encoded version of the whole certificate.
1.1       jsing    5401: .It Fl hash
                   5402: A synonym for
1.80      jmc      5403: .Fl subject_hash .
1.1       jsing    5404: .It Fl issuer
1.80      jmc      5405: Print the issuer name.
1.1       jsing    5406: .It Fl issuer_hash
1.80      jmc      5407: Print the hash of the certificate issuer name.
1.1       jsing    5408: .It Fl issuer_hash_old
1.80      jmc      5409: Print the hash of the certificate issuer name
                   5410: using the older algorithm as used by
                   5411: .Nm openssl
1.1       jsing    5412: versions before 1.0.0.
                   5413: .It Fl modulus
1.80      jmc      5414: Print the value of the modulus of the public key contained in the certificate.
1.1       jsing    5415: .It Fl nameopt Ar option
1.80      jmc      5416: Customise how the subject or issuer names are displayed,
                   5417: either using a list of comma-separated options or by specifying
1.1       jsing    5418: .Fl nameopt
1.80      jmc      5419: multiple times.
                   5420: The default behaviour is to use the
                   5421: .Cm oneline
                   5422: format.
                   5423: The options,
                   5424: which can be preceded by a dash to turn them off,
                   5425: are as follows:
                   5426: .Bl -tag -width "XXXX"
                   5427: .It Cm align
                   5428: Align field values for a more readable output.
                   5429: Only usable with
                   5430: .Ar sep_multiline .
                   5431: .It Cm compat
                   5432: Use the old format,
                   5433: equivalent to specifying no options at all.
                   5434: .It Cm dn_rev
                   5435: Reverse the fields of the DN, as required by RFC 2253.
                   5436: As a side effect, this also reverses the order of multiple AVAs.
                   5437: .It Cm dump_all
                   5438: Dump all fields.
                   5439: When used with
                   5440: .Ar dump_der ,
                   5441: it allows the DER encoding of the structure to be unambiguously determined.
                   5442: .It Cm dump_der
                   5443: Any fields that need to be hexdumped are
                   5444: dumped using the DER encoding of the field.
                   5445: Otherwise just the content octets will be displayed.
                   5446: Both options use the RFC 2253 #XXXX... format.
                   5447: .It Cm dump_nostr
                   5448: Dump non-character string types
                   5449: (for example OCTET STRING);
                   5450: usually, non-character string types are displayed
                   5451: as though each content octet represents a single character.
                   5452: .It Cm dump_unknown
                   5453: Dump any field whose OID is not recognised by
                   5454: .Nm openssl .
                   5455: .It Cm esc_2253
                   5456: Escape the
                   5457: .Qq special
                   5458: characters required by RFC 2253 in a field that is
                   5459: .Dq \& ,+"<>; .
                   5460: Additionally,
                   5461: .Sq #
                   5462: is escaped at the beginning of a string
                   5463: and a space character at the beginning or end of a string.
                   5464: .It Cm esc_ctrl
                   5465: Escape control characters.
                   5466: That is, those with ASCII values less than 0x20 (space)
                   5467: and the delete (0x7f) character.
                   5468: They are escaped using the RFC 2253 \eXX notation (where XX are two hex
                   5469: digits representing the character value).
                   5470: .It Cm esc_msb
                   5471: Escape characters with the MSB set; that is, with ASCII values larger than
                   5472: 127.
                   5473: .It Cm multiline
                   5474: A multiline format.
                   5475: Equivalent to
                   5476: .Cm esc_ctrl , esc_msb , sep_multiline ,
                   5477: .Cm space_eq , lname ,
                   5478: and
                   5479: .Cm align .
                   5480: .It Cm no_type
                   5481: Do not attempt to interpret multibyte characters.
                   5482: That is, content octets are merely dumped as though one octet
                   5483: represents each character.
                   5484: This is useful for diagnostic purposes
                   5485: but results in rather odd looking output.
                   5486: .It Cm nofname , sname , lname , oid
                   5487: Alter how the field name is displayed:
                   5488: .Cm nofname
                   5489: does not display the field at all;
                   5490: .Cm sname
                   5491: uses the short name form (CN for
                   5492: .Cm commonName ,
                   5493: for example);
                   5494: .Cm lname
                   5495: uses the long form.
                   5496: .Cm oid
                   5497: represents the OID in numerical form and is useful for diagnostic purpose.
                   5498: .It Cm oneline
                   5499: A one line format which is more readable than
                   5500: .Cm RFC2253 .
                   5501: Equivalent to
                   5502: .Cm esc_2253 , esc_ctrl , esc_msb , utf8 ,
                   5503: .Cm dump_nostr , dump_der , use_quote , sep_comma_plus_spc ,
                   5504: .Cm space_eq ,
                   5505: and
                   5506: .Cm sname .
                   5507: .It Cm RFC2253
                   5508: Displays names compatible with RFC 2253.
                   5509: Equivalent to
                   5510: .Cm esc_2253 , esc_ctrl ,
                   5511: .Cm esc_msb , utf8 , dump_nostr , dump_unknown ,
                   5512: .Cm dump_der , sep_comma_plus , dn_rev ,
                   5513: and
                   5514: .Cm sname .
                   5515: .It Cm sep_comma_plus , sep_comma_plus_space , sep_semi_plus_space , sep_multiline
                   5516: Determine the field separators:
                   5517: the first character is between RDNs and the second between multiple AVAs
                   5518: (multiple AVAs are very rare and their use is discouraged).
                   5519: The options ending in
                   5520: .Qq space
                   5521: additionally place a space after the separator to make it more readable.
                   5522: .Cm sep_multiline
                   5523: uses a linefeed character for the RDN separator and a spaced
                   5524: .Sq +
                   5525: for the AVA separator,
                   5526: as well as indenting the fields by four characters.
                   5527: .It Cm show_type
1.84      jmc      5528: Show the type of the ASN.1 character string.
1.80      jmc      5529: The type precedes the field contents.
                   5530: For example
                   5531: .Qq BMPSTRING: Hello World .
                   5532: .It Cm space_eq
                   5533: Place spaces round the
                   5534: .Sq =
                   5535: character which follows the field name.
                   5536: .It Cm use_quote
                   5537: Escape some characters by surrounding the whole string with
                   5538: .Sq \&"
                   5539: characters.
                   5540: Without the option, all escaping is done with the
                   5541: .Sq \e
                   5542: character.
                   5543: .It Cm utf8
                   5544: Convert all strings to UTF8 format first, as required by RFC 2253.
                   5545: On a UTF8 compatible terminal,
                   5546: the use of this option (and not setting
                   5547: .Cm esc_msb )
                   5548: may result in the correct display of multibyte characters.
                   5549: Usually, multibyte characters larger than 0xff
                   5550: are represented using the format \eUXXXX for 16 bits and \eWXXXXXXXX
                   5551: for 32 bits,
                   5552: and any UTF8Strings are converted to their character form first.
                   5553: .El
1.1       jsing    5554: .It Fl noout
1.80      jmc      5555: Do not output the encoded version of the request.
1.1       jsing    5556: .It Fl ocsp_uri
1.80      jmc      5557: Print the OCSP responder addresses, if any.
1.1       jsing    5558: .It Fl ocspid
                   5559: Print OCSP hash values for the subject name and public key.
                   5560: .It Fl pubkey
1.80      jmc      5561: Print the public key.
1.1       jsing    5562: .It Fl serial
1.80      jmc      5563: Print the certificate serial number.
1.1       jsing    5564: .It Fl startdate
1.80      jmc      5565: Print the start date of the certificate; that is, the
                   5566: .Cm notBefore
1.1       jsing    5567: date.
                   5568: .It Fl subject
1.80      jmc      5569: Print the subject name.
1.1       jsing    5570: .It Fl subject_hash
1.80      jmc      5571: Print the hash of the certificate subject name.
1.1       jsing    5572: This is used in
1.80      jmc      5573: .Nm openssl
1.1       jsing    5574: to form an index to allow certificates in a directory to be looked up
                   5575: by subject name.
                   5576: .It Fl subject_hash_old
1.80      jmc      5577: Print the hash of the certificate subject name
                   5578: using the older algorithm as used by
                   5579: .Nm openssl
1.1       jsing    5580: versions before 1.0.0.
                   5581: .It Fl text
1.80      jmc      5582: Print the full certificate in text form.
1.1       jsing    5583: .El
                   5584: .Pp
1.80      jmc      5585: A trusted certificate is a certificate which has several
1.1       jsing    5586: additional pieces of information attached to it such as the permitted
1.80      jmc      5587: and prohibited uses of the certificate and an alias.
                   5588: When a certificate is being verified at least one certificate must be trusted.
                   5589: By default, a trusted certificate must be stored locally and be a root CA.
                   5590: The following are x509 trust settings options:
1.1       jsing    5591: .Bl -tag -width "XXXX"
                   5592: .It Fl addreject Ar arg
1.80      jmc      5593: Add a prohibited use.
                   5594: Accepts the same values as the
1.1       jsing    5595: .Fl addtrust
                   5596: option.
                   5597: .It Fl addtrust Ar arg
1.80      jmc      5598: Add a trusted certificate use.
1.1       jsing    5599: Any object name can be used here, but currently only
1.80      jmc      5600: .Cm clientAuth
                   5601: (SSL client use),
                   5602: .Cm serverAuth
                   5603: (SSL server use),
                   5604: and
                   5605: .Cm emailProtection
                   5606: (S/MIME email) are used.
1.1       jsing    5607: .It Fl alias
1.80      jmc      5608: Output the certificate alias.
1.1       jsing    5609: .It Fl clrreject
1.80      jmc      5610: Clear all the prohibited or rejected uses of the certificate.
1.1       jsing    5611: .It Fl clrtrust
1.80      jmc      5612: Clear all the permitted or trusted uses of the certificate.
1.1       jsing    5613: .It Fl purpose
1.80      jmc      5614: Perform tests on the certificate extensions.
                   5615: The same code is used when verifying untrusted certificates in chains,
                   5616: so this section is useful if a chain is rejected by the verify code.
                   5617: .Pp
                   5618: The
                   5619: .Cm basicConstraints
                   5620: extension CA flag is used to determine whether the
                   5621: certificate can be used as a CA.
                   5622: If the CA flag is true, it is a CA;
                   5623: if the CA flag is false, it is not a CA.
                   5624: All CAs should have the CA flag set to true.
                   5625: .Pp
                   5626: If the
                   5627: .Cm basicConstraints
                   5628: extension is absent, then the certificate is
                   5629: considered to be a possible CA;
                   5630: other extensions are checked according to the intended use of the certificate.
                   5631: A warning is given in this case because the certificate should really not
                   5632: be regarded as a CA.
                   5633: However it is allowed to be a CA to work around some broken software.
                   5634: .Pp
                   5635: If the certificate is a V1 certificate
                   5636: (and thus has no extensions) and it is self-signed,
                   5637: it is also assumed to be a CA but a warning is again given.
                   5638: This is to work around the problem of Verisign roots
                   5639: which are V1 self-signed certificates.
                   5640: .Pp
                   5641: If the
                   5642: .Cm keyUsage
                   5643: extension is present, then additional restraints are
                   5644: made on the uses of the certificate.
                   5645: A CA certificate must have the
                   5646: .Cm keyCertSign
                   5647: bit set if the
                   5648: .Cm keyUsage
                   5649: extension is present.
                   5650: .Pp
                   5651: The extended key usage extension places additional restrictions on the
                   5652: certificate uses.
                   5653: If this extension is present, whether critical or not,
                   5654: the key can only be used for the purposes specified.
                   5655: .Pp
                   5656: A complete description of each test is given below.
                   5657: The comments about
                   5658: .Cm basicConstraints
                   5659: and
                   5660: .Cm keyUsage
                   5661: and V1 certificates above apply to all CA certificates.
                   5662: .Bl -tag -width "XXXX"
                   5663: .It SSL Client
                   5664: The extended key usage extension must be absent or include the
                   5665: web client authentication OID.
                   5666: .Cm keyUsage
                   5667: must be absent or it must have the
                   5668: .Cm digitalSignature
                   5669: bit set.
                   5670: The Netscape certificate type must be absent
                   5671: or it must have the SSL client bit set.
                   5672: .It SSL Client CA
                   5673: The extended key usage extension must be absent or include the
                   5674: web client authentication OID.
                   5675: The Netscape certificate type must be absent
                   5676: or it must have the SSL CA bit set:
                   5677: this is used as a workaround if the
                   5678: .Cm basicConstraints
                   5679: extension is absent.
                   5680: .It SSL Server
                   5681: The extended key usage extension must be absent or include the
                   5682: web server authentication and/or one of the SGC OIDs.
                   5683: .Cm keyUsage
                   5684: must be absent or it must have the
                   5685: .Cm digitalSignature
                   5686: set, the
                   5687: .Cm keyEncipherment
                   5688: set, or both bits set.
                   5689: The Netscape certificate type must be absent or have the SSL server bit set.
                   5690: .It SSL Server CA
                   5691: The extended key usage extension must be absent or include the
                   5692: web server authentication and/or one of the SGC OIDs.
                   5693: The Netscape certificate type must be absent or the SSL CA bit must be set:
                   5694: this is used as a workaround if the
                   5695: .Cm basicConstraints
                   5696: extension is absent.
                   5697: .It Netscape SSL Server
                   5698: For Netscape SSL clients to connect to an SSL server; it must have the
                   5699: .Cm keyEncipherment
                   5700: bit set if the
                   5701: .Cm keyUsage
                   5702: extension is present.
                   5703: This isn't always valid because some cipher suites use the key for
                   5704: digital signing.
                   5705: Otherwise it is the same as a normal SSL server.
                   5706: .It Common S/MIME Client Tests
                   5707: The extended key usage extension must be absent or include the
                   5708: email protection OID.
                   5709: The Netscape certificate type must be absent or should have the S/MIME bit set.
                   5710: If the S/MIME bit is not set in Netscape certificate type, then the SSL
                   5711: client bit is tolerated as an alternative but a warning is shown:
                   5712: this is because some Verisign certificates don't set the S/MIME bit.
                   5713: .It S/MIME Signing
                   5714: In addition to the common S/MIME client tests, the
                   5715: .Cm digitalSignature
                   5716: bit must be set if the
                   5717: .Cm keyUsage
                   5718: extension is present.
                   5719: .It S/MIME Encryption
                   5720: In addition to the common S/MIME tests, the
                   5721: .Cm keyEncipherment
                   5722: bit must be set if the
                   5723: .Cm keyUsage
                   5724: extension is present.
                   5725: .It S/MIME CA
                   5726: The extended key usage extension must be absent or include the
                   5727: email protection OID.
                   5728: The Netscape certificate type must be absent
                   5729: or must have the S/MIME CA bit set:
                   5730: this is used as a workaround if the
                   5731: .Cm basicConstraints
                   5732: extension is absent.
                   5733: .It CRL Signing
                   5734: The
                   5735: .Cm keyUsage
                   5736: extension must be absent or it must have the CRL signing bit set.
                   5737: .It CRL Signing CA
                   5738: The normal CA tests apply, except the
                   5739: .Cm basicConstraints
                   5740: extension must be present.
                   5741: .El
1.1       jsing    5742: .It Fl setalias Ar arg
1.80      jmc      5743: Set the alias of the certificate,
                   5744: allowing the certificate to be referred to using a nickname,
                   5745: such as
1.1       jsing    5746: .Qq Steve's Certificate .
                   5747: .It Fl trustout
1.80      jmc      5748: Output a trusted certificate
                   5749: (the default if any trust settings are modified).
1.1       jsing    5750: An ordinary or trusted certificate can be input, but by default an ordinary
                   5751: certificate is output and any trust settings are discarded.
                   5752: .El
1.80      jmc      5753: .Pp
1.1       jsing    5754: The
                   5755: .Nm x509
1.80      jmc      5756: utility can be used to sign certificates and requests:
                   5757: it can thus behave like a mini CA.
                   5758: The following are x509 signing options:
1.1       jsing    5759: .Bl -tag -width "XXXX"
                   5760: .It Fl CA Ar file
1.80      jmc      5761: The CA certificate to be used for signing.
1.1       jsing    5762: When this option is present,
                   5763: .Nm x509
1.80      jmc      5764: behaves like a mini CA.
1.1       jsing    5765: The input file is signed by the CA using this option;
                   5766: that is, its issuer name is set to the subject name of the CA and it is
                   5767: digitally signed using the CA's private key.
                   5768: .Pp
                   5769: This option is normally combined with the
                   5770: .Fl req
                   5771: option.
                   5772: Without the
                   5773: .Fl req
                   5774: option, the input is a certificate which must be self-signed.
                   5775: .It Fl CAcreateserial
1.80      jmc      5776: Create the CA serial number file if it does not exist
                   5777: instead of generating an error.
                   5778: The file will contain the serial number
1.1       jsing    5779: .Sq 02
                   5780: and the certificate being signed will have
                   5781: .Sq 1
                   5782: as its serial number.
1.80      jmc      5783: .It Fl CAform Cm der | pem
1.1       jsing    5784: The format of the CA certificate file.
                   5785: The default is
1.80      jmc      5786: .Cm pem .
1.1       jsing    5787: .It Fl CAkey Ar file
1.80      jmc      5788: Set the CA private key to sign a certificate with.
                   5789: Otherwise it is assumed that the CA private key is present
                   5790: in the CA certificate file.
                   5791: .It Fl CAkeyform Cm der | pem
1.1       jsing    5792: The format of the CA private key.
                   5793: The default is
1.80      jmc      5794: .Cm pem .
1.1       jsing    5795: .It Fl CAserial Ar file
1.80      jmc      5796: Use the serial number in
                   5797: .Ar file
                   5798: to sign a certificate.
                   5799: The file should consist of one line containing an even number of hex digits
1.1       jsing    5800: with the serial number to use.
                   5801: After each use the serial number is incremented and written out
                   5802: to the file again.
                   5803: .Pp
                   5804: The default filename consists of the CA certificate file base name with
                   5805: .Pa .srl
                   5806: appended.
                   5807: For example, if the CA certificate file is called
                   5808: .Pa mycacert.pem ,
                   5809: it expects to find a serial number file called
                   5810: .Pa mycacert.srl .
                   5811: .It Fl checkend Ar arg
                   5812: Check whether the certificate expires in the next
                   5813: .Ar arg
                   5814: seconds.
                   5815: If so, exit with return value 1;
                   5816: otherwise exit with return value 0.
                   5817: .It Fl clrext
                   5818: Delete any extensions from a certificate.
                   5819: This option is used when a certificate is being created from another
                   5820: certificate (for example with the
                   5821: .Fl signkey
                   5822: or the
                   5823: .Fl CA
                   5824: options).
                   5825: Normally, all extensions are retained.
                   5826: .It Fl days Ar arg
1.80      jmc      5827: The number of days to make a certificate valid for.
1.1       jsing    5828: The default is 30 days.
                   5829: .It Fl extensions Ar section
                   5830: The section to add certificate extensions from.
                   5831: If this option is not specified, the extensions should either be
1.80      jmc      5832: contained in the unnamed (default) section
                   5833: or the default section should contain a variable called
1.1       jsing    5834: .Qq extensions
                   5835: which contains the section to use.
                   5836: .It Fl extfile Ar file
                   5837: File containing certificate extensions to use.
                   5838: If not specified, no extensions are added to the certificate.
1.80      jmc      5839: .It Fl keyform Cm der | pem
                   5840: The format of the private key file used in the
1.1       jsing    5841: .Fl signkey
                   5842: option.
                   5843: .It Fl req
1.80      jmc      5844: Expect a certificate request on input instead of a certificate.
1.1       jsing    5845: .It Fl set_serial Ar n
1.80      jmc      5846: The serial number to use.
1.1       jsing    5847: This option can be used with either the
                   5848: .Fl signkey
                   5849: or
                   5850: .Fl CA
                   5851: options.
                   5852: If used in conjunction with the
                   5853: .Fl CA
                   5854: option, the serial number file (as specified by the
                   5855: .Fl CAserial
                   5856: or
                   5857: .Fl CAcreateserial
                   5858: options) is not used.
                   5859: .Pp
                   5860: The serial number can be decimal or hex (if preceded by
                   5861: .Sq 0x ) .
                   5862: Negative serial numbers can also be specified but their use is not recommended.
                   5863: .It Fl signkey Ar file
1.80      jmc      5864: Self-sign
                   5865: .Ar file
                   5866: using the supplied private key.
1.1       jsing    5867: .Pp
                   5868: If the input file is a certificate, it sets the issuer name to the
1.80      jmc      5869: subject name (i.e. makes it self-signed),
1.1       jsing    5870: changes the public key to the supplied value,
                   5871: and changes the start and end dates.
                   5872: The start date is set to the current time and the end date is set to
                   5873: a value determined by the
                   5874: .Fl days
                   5875: option.
                   5876: Any certificate extensions are retained unless the
                   5877: .Fl clrext
                   5878: option is supplied.
                   5879: .Pp
                   5880: If the input is a certificate request, a self-signed certificate
                   5881: is created using the supplied private key using the subject name in
                   5882: the request.
                   5883: .It Fl x509toreq
1.80      jmc      5884: Convert a certificate into a certificate request.
1.1       jsing    5885: The
                   5886: .Fl signkey
                   5887: option is used to pass the required private key.
                   5888: .El
1.38      jmc      5889: .Sh COMMON NOTATION
                   5890: Several commands share a common syntax,
                   5891: as detailed below.
                   5892: .Pp
                   5893: Password arguments, typically specified using
1.33      jmc      5894: .Fl passin
                   5895: and
                   5896: .Fl passout
1.38      jmc      5897: for input and output passwords,
                   5898: allow passwords to be obtained from a variety of sources.
                   5899: Both of these options take a single argument, described below.
1.33      jmc      5900: If no password argument is given and a password is required,
                   5901: then the user is prompted to enter one:
                   5902: this will typically be read from the current terminal with echoing turned off.
1.38      jmc      5903: .Bl -tag -width "pass:password" -offset indent
                   5904: .It Cm pass : Ns Ar password
1.33      jmc      5905: The actual password is
                   5906: .Ar password .
1.38      jmc      5907: Since the password is visible to utilities,
1.33      jmc      5908: this form should only be used where security is not important.
1.38      jmc      5909: .It Cm env : Ns Ar var
1.33      jmc      5910: Obtain the password from the environment variable
                   5911: .Ar var .
1.38      jmc      5912: Since the environment of other processes is visible,
                   5913: this option should be used with caution.
                   5914: .It Cm file : Ns Ar path
1.33      jmc      5915: The first line of
                   5916: .Ar path
                   5917: is the password.
                   5918: If the same
                   5919: .Ar path
                   5920: argument is supplied to
                   5921: .Fl passin
                   5922: and
                   5923: .Fl passout ,
                   5924: then the first line will be used for the input password and the next line
                   5925: for the output password.
                   5926: .Ar path
                   5927: need not refer to a regular file:
                   5928: it could, for example, refer to a device or named pipe.
1.38      jmc      5929: .It Cm fd : Ns Ar number
1.33      jmc      5930: Read the password from the file descriptor
                   5931: .Ar number .
1.38      jmc      5932: This can be used to send the data via a pipe, for example.
                   5933: .It Cm stdin
1.33      jmc      5934: Read the password from standard input.
1.35      jmc      5935: .El
1.38      jmc      5936: .Pp
1.64      jmc      5937: Input/output formats,
1.38      jmc      5938: typically specified using
                   5939: .Fl inform
                   5940: and
                   5941: .Fl outform ,
1.64      jmc      5942: indicate the format being read from or written to.
1.38      jmc      5943: The argument is case insensitive.
                   5944: .Pp
                   5945: .Bl -tag -width Ds -offset indent -compact
                   5946: .It Cm der
                   5947: Distinguished Encoding Rules (DER)
                   5948: is a binary format.
1.64      jmc      5949: .It Cm net
                   5950: Insecure legacy format.
1.38      jmc      5951: .It Cm pem
                   5952: Privacy Enhanced Mail (PEM)
                   5953: is base64-encoded.
1.70      jmc      5954: .It Cm smime
                   5955: An SMIME format message.
1.38      jmc      5956: .It Cm txt
                   5957: Plain ASCII text.
                   5958: .El
1.35      jmc      5959: .Sh ENVIRONMENT
                   5960: The following environment variables affect the execution of
                   5961: .Nm openssl :
1.38      jmc      5962: .Bl -tag -width "/etc/ssl/openssl.cnf"
1.35      jmc      5963: .It Ev OPENSSL_CONF
                   5964: The location of the master configuration file.
1.33      jmc      5965: .El
1.1       jsing    5966: .Sh FILES
                   5967: .Bl -tag -width "/etc/ssl/openssl.cnf" -compact
1.17      sobrado  5968: .It Pa /etc/ssl/
1.1       jsing    5969: Default config directory for
                   5970: .Nm openssl .
1.17      sobrado  5971: .It Pa /etc/ssl/lib/
1.1       jsing    5972: Unused.
1.17      sobrado  5973: .It Pa /etc/ssl/private/
1.1       jsing    5974: Default private key directory.
1.17      sobrado  5975: .It Pa /etc/ssl/openssl.cnf
1.1       jsing    5976: Default configuration file for
                   5977: .Nm openssl .
1.17      sobrado  5978: .It Pa /etc/ssl/x509v3.cnf
1.1       jsing    5979: Default configuration file for
                   5980: .Nm x509
                   5981: certificates.
                   5982: .El
                   5983: .Sh SEE ALSO
1.74      jmc      5984: .Xr acme-client 1 ,
1.26      jmc      5985: .Xr nc 1 ,
1.90      schwarze 5986: .Xr openssl.cnf 5 ,
                   5987: .Xr x509v3.cnf 5 ,
1.1       jsing    5988: .Xr ssl 8 ,
                   5989: .Xr starttls 8
                   5990: .Sh STANDARDS
                   5991: .Rs
                   5992: .%A T. Dierks
                   5993: .%A C. Allen
                   5994: .%D January 1999
                   5995: .%R RFC 2246
                   5996: .%T The TLS Protocol Version 1.0
                   5997: .Re
                   5998: .Pp
                   5999: .Rs
                   6000: .%A M. Wahl
                   6001: .%A S. Killie
                   6002: .%A T. Howes
                   6003: .%D December 1997
                   6004: .%R RFC 2253
                   6005: .%T Lightweight Directory Access Protocol (v3): UTF-8 String Representation of Distinguished Names
                   6006: .Re
                   6007: .Pp
                   6008: .Rs
                   6009: .%A B. Kaliski
                   6010: .%D March 1998
                   6011: .%R RFC 2315
                   6012: .%T PKCS #7: Cryptographic Message Syntax Version 1.5
                   6013: .Re
                   6014: .Pp
                   6015: .Rs
                   6016: .%A R. Housley
                   6017: .%A W. Ford
                   6018: .%A W. Polk
                   6019: .%A D. Solo
                   6020: .%D January 1999
                   6021: .%R RFC 2459
                   6022: .%T Internet X.509 Public Key Infrastructure Certificate and CRL Profile
                   6023: .Re
                   6024: .Pp
                   6025: .Rs
                   6026: .%A M. Myers
                   6027: .%A R. Ankney
                   6028: .%A A. Malpani
                   6029: .%A S. Galperin
                   6030: .%A C. Adams
                   6031: .%D June 1999
                   6032: .%R RFC 2560
                   6033: .%T X.509 Internet Public Key Infrastructure Online Certificate Status Protocol \(en OCSP
                   6034: .Re
                   6035: .Pp
                   6036: .Rs
                   6037: .%A R. Housley
                   6038: .%D June 1999
                   6039: .%R RFC 2630
                   6040: .%T Cryptographic Message Syntax
                   6041: .Re
                   6042: .Pp
                   6043: .Rs
                   6044: .%A P. Chown
                   6045: .%D June 2002
                   6046: .%R RFC 3268
1.24      jmc      6047: .%T Advanced Encryption Standard (AES) Ciphersuites for Transport Layer Security (TLS)
1.1       jsing    6048: .Re