Annotation of src/usr.bin/openssl/pkcs8.c, Revision 1.9
1.9 ! doug 1: /* $OpenBSD: pkcs8.c,v 1.8 2015/10/17 07:51:10 semarie Exp $ */
1.1 jsing 2: /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3: * project 1999-2004.
4: */
5: /* ====================================================================
6: * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: *
12: * 1. Redistributions of source code must retain the above copyright
13: * notice, this list of conditions and the following disclaimer.
14: *
15: * 2. Redistributions in binary form must reproduce the above copyright
16: * notice, this list of conditions and the following disclaimer in
17: * the documentation and/or other materials provided with the
18: * distribution.
19: *
20: * 3. All advertising materials mentioning features or use of this
21: * software must display the following acknowledgment:
22: * "This product includes software developed by the OpenSSL Project
23: * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24: *
25: * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26: * endorse or promote products derived from this software without
27: * prior written permission. For written permission, please contact
28: * licensing@OpenSSL.org.
29: *
30: * 5. Products derived from this software may not be called "OpenSSL"
31: * nor may "OpenSSL" appear in their names without prior written
32: * permission of the OpenSSL Project.
33: *
34: * 6. Redistributions of any form whatsoever must retain the following
35: * acknowledgment:
36: * "This product includes software developed by the OpenSSL Project
37: * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38: *
39: * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40: * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43: * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46: * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48: * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50: * OF THE POSSIBILITY OF SUCH DAMAGE.
51: * ====================================================================
52: *
53: * This product includes cryptographic software written by Eric Young
54: * (eay@cryptsoft.com). This product includes software written by Tim
55: * Hudson (tjh@cryptsoft.com).
56: *
57: */
58:
59: #include <stdio.h>
60: #include <string.h>
61:
62: #include "apps.h"
1.5 deraadt 63: #include "progs.h"
1.1 jsing 64:
65: #include <openssl/err.h>
66: #include <openssl/evp.h>
67: #include <openssl/pem.h>
68: #include <openssl/pkcs12.h>
69:
1.4 doug 70: static struct {
71: const EVP_CIPHER *cipher;
72: char *infile;
73: int informat;
74: int iter;
75: int nocrypt;
76: char *outfile;
77: int outformat;
78: int p8_broken;
79: char *passargin;
80: char *passargout;
81: int pbe_nid;
82: int topk8;
83: } pkcs8_config;
84:
85: static int
86: pkcs8_opt_v1(char *arg)
87: {
88: if ((pkcs8_config.pbe_nid = OBJ_txt2nid(arg)) == NID_undef) {
89: fprintf(stderr, "Unknown PBE algorithm '%s'\n", arg);
90: return (1);
91: }
92:
93: return (0);
94: }
95:
96: static int
97: pkcs8_opt_v2(char *arg)
98: {
99: if ((pkcs8_config.cipher = EVP_get_cipherbyname(arg)) == NULL) {
100: fprintf(stderr, "Unknown cipher '%s'\n", arg);
101: return (1);
102: }
103:
104: return (0);
105: }
106:
107: static struct option pkcs8_options[] = {
108: {
109: .name = "embed",
110: .desc = "Generate DSA keys in a broken format",
111: .type = OPTION_VALUE,
112: .value = PKCS8_EMBEDDED_PARAM,
113: .opt.value = &pkcs8_config.p8_broken,
114: },
115: {
116: .name = "in",
117: .argname = "file",
118: .desc = "Input file (default stdin)",
119: .type = OPTION_ARG,
120: .opt.arg = &pkcs8_config.infile,
121: },
122: {
123: .name = "inform",
124: .argname = "format",
125: .desc = "Input format (DER or PEM (default))",
126: .type = OPTION_ARG_FORMAT,
127: .opt.value = &pkcs8_config.informat,
128: },
129: {
130: .name = "nocrypt",
131: .desc = "Use or expect unencrypted private key",
132: .type = OPTION_FLAG,
133: .opt.flag = &pkcs8_config.nocrypt,
134: },
135: {
136: .name = "noiter",
137: .desc = "Use 1 as iteration count",
138: .type = OPTION_VALUE,
139: .value = 1,
140: .opt.value = &pkcs8_config.iter,
141: },
142: {
143: .name = "nooct",
144: .desc = "Generate RSA keys in a broken format (no octet)",
145: .type = OPTION_VALUE,
146: .value = PKCS8_NO_OCTET,
147: .opt.value = &pkcs8_config.p8_broken,
148: },
149: {
150: .name = "nsdb",
151: .desc = "Generate DSA keys in the broken Netscape DB format",
152: .type = OPTION_VALUE,
153: .value = PKCS8_NS_DB,
154: .opt.value = &pkcs8_config.p8_broken,
155: },
156: {
157: .name = "out",
158: .argname = "file",
159: .desc = "Output file (default stdout)",
160: .type = OPTION_ARG,
161: .opt.arg = &pkcs8_config.outfile,
162: },
163: {
164: .name = "outform",
165: .argname = "format",
166: .desc = "Output format (DER or PEM (default))",
167: .type = OPTION_ARG_FORMAT,
168: .opt.value = &pkcs8_config.outformat,
169: },
170: {
171: .name = "passin",
172: .argname = "source",
173: .desc = "Input file passphrase source",
174: .type = OPTION_ARG,
175: .opt.arg = &pkcs8_config.passargin,
176: },
177: {
178: .name = "passout",
179: .argname = "source",
180: .desc = "Output file passphrase source",
181: .type = OPTION_ARG,
182: .opt.arg = &pkcs8_config.passargout,
183: },
184: {
185: .name = "topk8",
186: .desc = "Read traditional format key and write PKCS#8 format"
187: " key",
188: .type = OPTION_FLAG,
189: .opt.flag = &pkcs8_config.topk8,
190: },
191: {
192: .name = "v1",
193: .argname = "algorithm",
194: .desc = "Use PKCS#5 v1.5 or PKCS#12 with given algorithm",
195: .type = OPTION_ARG_FUNC,
196: .opt.argfunc = pkcs8_opt_v1,
197: },
198: {
199: .name = "v2",
200: .argname = "cipher",
201: .desc = "Use PKCS#5 v2.0 with given cipher",
202: .type = OPTION_ARG_FUNC,
203: .opt.argfunc = pkcs8_opt_v2,
204: },
205: { NULL },
206: };
207:
208: static void
209: pkcs8_usage()
210: {
1.6 bcook 211: fprintf(stderr, "usage: pkcs8 [-embed] [-in file] "
1.4 doug 212: "[-inform fmt] [-nocrypt]\n"
213: " [-noiter] [-nooct] [-nsdb] [-out file] [-outform fmt] "
214: "[-passin src]\n"
215: " [-passout src] [-topk8] [-v1 alg] [-v2 alg]\n\n");
216: options_usage(pkcs8_options);
217: }
1.1 jsing 218:
219: int
220: pkcs8_main(int argc, char **argv)
221: {
222: BIO *in = NULL, *out = NULL;
223: X509_SIG *p8 = NULL;
224: PKCS8_PRIV_KEY_INFO *p8inf = NULL;
225: EVP_PKEY *pkey = NULL;
226: char pass[50], *passin = NULL, *passout = NULL, *p8pass = NULL;
227: int ret = 1;
1.7 doug 228:
229: if (single_execution) {
1.9 ! doug 230: if (pledge("stdio rpath wpath cpath tty", NULL) == -1) {
1.7 doug 231: perror("pledge");
1.9 ! doug 232: exit(1);
! 233: }
1.7 doug 234: }
1.1 jsing 235:
1.4 doug 236: memset(&pkcs8_config, 0, sizeof(pkcs8_config));
1.1 jsing 237:
1.4 doug 238: pkcs8_config.iter = PKCS12_DEFAULT_ITER;
239: pkcs8_config.informat = FORMAT_PEM;
240: pkcs8_config.outformat = FORMAT_PEM;
241: pkcs8_config.p8_broken = PKCS8_OK;
242: pkcs8_config.pbe_nid = -1;
243:
244: if (options_parse(argc, argv, pkcs8_options, NULL, NULL) != 0) {
245: pkcs8_usage();
246: return (1);
1.1 jsing 247: }
248:
1.4 doug 249: if (!app_passwd(bio_err, pkcs8_config.passargin,
250: pkcs8_config.passargout, &passin, &passout)) {
1.1 jsing 251: BIO_printf(bio_err, "Error getting passwords\n");
252: goto end;
253: }
1.4 doug 254: if ((pkcs8_config.pbe_nid == -1) && !pkcs8_config.cipher)
255: pkcs8_config.pbe_nid = NID_pbeWithMD5AndDES_CBC;
1.1 jsing 256:
1.4 doug 257: if (pkcs8_config.infile) {
258: if (!(in = BIO_new_file(pkcs8_config.infile, "rb"))) {
1.1 jsing 259: BIO_printf(bio_err,
1.4 doug 260: "Can't open input file '%s'\n",
261: pkcs8_config.infile);
1.1 jsing 262: goto end;
263: }
264: } else
265: in = BIO_new_fp(stdin, BIO_NOCLOSE);
266:
1.4 doug 267: if (pkcs8_config.outfile) {
268: if (!(out = BIO_new_file(pkcs8_config.outfile, "wb"))) {
269: BIO_printf(bio_err, "Can't open output file '%s'\n",
270: pkcs8_config.outfile);
1.1 jsing 271: goto end;
272: }
273: } else {
274: out = BIO_new_fp(stdout, BIO_NOCLOSE);
275: }
1.4 doug 276: if (pkcs8_config.topk8) {
277: pkey = load_key(bio_err, pkcs8_config.infile,
1.6 bcook 278: pkcs8_config.informat, 1, passin, "key");
1.1 jsing 279: if (!pkey)
280: goto end;
1.4 doug 281: if (!(p8inf = EVP_PKEY2PKCS8_broken(pkey,
282: pkcs8_config.p8_broken))) {
1.1 jsing 283: BIO_printf(bio_err, "Error converting key\n");
284: ERR_print_errors(bio_err);
285: goto end;
286: }
1.4 doug 287: if (pkcs8_config.nocrypt) {
288: if (pkcs8_config.outformat == FORMAT_PEM)
1.1 jsing 289: PEM_write_bio_PKCS8_PRIV_KEY_INFO(out, p8inf);
1.4 doug 290: else if (pkcs8_config.outformat == FORMAT_ASN1)
1.1 jsing 291: i2d_PKCS8_PRIV_KEY_INFO_bio(out, p8inf);
292: else {
1.4 doug 293: BIO_printf(bio_err,
294: "Bad format specified for key\n");
1.1 jsing 295: goto end;
296: }
297: } else {
298: if (passout)
299: p8pass = passout;
300: else {
301: p8pass = pass;
1.4 doug 302: if (EVP_read_pw_string(pass, sizeof pass,
303: "Enter Encryption Password:", 1))
1.1 jsing 304: goto end;
305: }
1.4 doug 306: if (!(p8 = PKCS8_encrypt(pkcs8_config.pbe_nid,
307: pkcs8_config.cipher, p8pass, strlen(p8pass),
308: NULL, 0, pkcs8_config.iter, p8inf))) {
1.1 jsing 309: BIO_printf(bio_err, "Error encrypting key\n");
310: ERR_print_errors(bio_err);
311: goto end;
312: }
1.4 doug 313: if (pkcs8_config.outformat == FORMAT_PEM)
1.1 jsing 314: PEM_write_bio_PKCS8(out, p8);
1.4 doug 315: else if (pkcs8_config.outformat == FORMAT_ASN1)
1.1 jsing 316: i2d_PKCS8_bio(out, p8);
317: else {
1.4 doug 318: BIO_printf(bio_err,
319: "Bad format specified for key\n");
1.1 jsing 320: goto end;
321: }
322: }
323:
324: ret = 0;
325: goto end;
326: }
1.4 doug 327: if (pkcs8_config.nocrypt) {
328: if (pkcs8_config.informat == FORMAT_PEM)
329: p8inf = PEM_read_bio_PKCS8_PRIV_KEY_INFO(in, NULL,
330: NULL, NULL);
331: else if (pkcs8_config.informat == FORMAT_ASN1)
1.1 jsing 332: p8inf = d2i_PKCS8_PRIV_KEY_INFO_bio(in, NULL);
333: else {
334: BIO_printf(bio_err, "Bad format specified for key\n");
335: goto end;
336: }
337: } else {
1.4 doug 338: if (pkcs8_config.informat == FORMAT_PEM)
1.1 jsing 339: p8 = PEM_read_bio_PKCS8(in, NULL, NULL, NULL);
1.4 doug 340: else if (pkcs8_config.informat == FORMAT_ASN1)
1.1 jsing 341: p8 = d2i_PKCS8_bio(in, NULL);
342: else {
343: BIO_printf(bio_err, "Bad format specified for key\n");
344: goto end;
345: }
346:
347: if (!p8) {
348: BIO_printf(bio_err, "Error reading key\n");
349: ERR_print_errors(bio_err);
350: goto end;
351: }
352: if (passin)
353: p8pass = passin;
354: else {
355: p8pass = pass;
1.4 doug 356: EVP_read_pw_string(pass, sizeof pass,
357: "Enter Password:", 0);
1.1 jsing 358: }
359: p8inf = PKCS8_decrypt(p8, p8pass, strlen(p8pass));
360: }
361:
362: if (!p8inf) {
363: BIO_printf(bio_err, "Error decrypting key\n");
364: ERR_print_errors(bio_err);
365: goto end;
366: }
367: if (!(pkey = EVP_PKCS82PKEY(p8inf))) {
368: BIO_printf(bio_err, "Error converting key\n");
369: ERR_print_errors(bio_err);
370: goto end;
371: }
372: if (p8inf->broken) {
373: BIO_printf(bio_err, "Warning: broken key encoding: ");
374: switch (p8inf->broken) {
375: case PKCS8_NO_OCTET:
376: BIO_printf(bio_err, "No Octet String in PrivateKey\n");
377: break;
378:
379: case PKCS8_EMBEDDED_PARAM:
1.4 doug 380: BIO_printf(bio_err,
381: "DSA parameters included in PrivateKey\n");
1.1 jsing 382: break;
383:
384: case PKCS8_NS_DB:
1.4 doug 385: BIO_printf(bio_err,
386: "DSA public key include in PrivateKey\n");
1.1 jsing 387: break;
388:
389: case PKCS8_NEG_PRIVKEY:
390: BIO_printf(bio_err, "DSA private key value is negative\n");
391: break;
392:
393: default:
394: BIO_printf(bio_err, "Unknown broken type\n");
395: break;
396: }
397: }
1.4 doug 398: if (pkcs8_config.outformat == FORMAT_PEM)
399: PEM_write_bio_PrivateKey(out, pkey, NULL, NULL, 0, NULL,
400: passout);
401: else if (pkcs8_config.outformat == FORMAT_ASN1)
1.1 jsing 402: i2d_PrivateKey_bio(out, pkey);
403: else {
404: BIO_printf(bio_err, "Bad format specified for key\n");
405: goto end;
406: }
407: ret = 0;
408:
409: end:
410: X509_SIG_free(p8);
411: PKCS8_PRIV_KEY_INFO_free(p8inf);
412: EVP_PKEY_free(pkey);
413: BIO_free_all(out);
414: BIO_free(in);
415: free(passin);
416: free(passout);
417:
418: return ret;
419: }
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