Annotation of src/usr.bin/openssl/pkcs8.c, Revision 1.8
1.8 ! semarie 1: /* $OpenBSD: pkcs8.c,v 1.7 2015/10/10 22:28:51 doug 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) {
1.8 ! semarie 230: if (pledge("stdio rpath wpath cpath tty", NULL) == -1)
1.7 doug 231: perror("pledge");
232: }
1.1 jsing 233:
1.4 doug 234: memset(&pkcs8_config, 0, sizeof(pkcs8_config));
1.1 jsing 235:
1.4 doug 236: pkcs8_config.iter = PKCS12_DEFAULT_ITER;
237: pkcs8_config.informat = FORMAT_PEM;
238: pkcs8_config.outformat = FORMAT_PEM;
239: pkcs8_config.p8_broken = PKCS8_OK;
240: pkcs8_config.pbe_nid = -1;
241:
242: if (options_parse(argc, argv, pkcs8_options, NULL, NULL) != 0) {
243: pkcs8_usage();
244: return (1);
1.1 jsing 245: }
246:
1.4 doug 247: if (!app_passwd(bio_err, pkcs8_config.passargin,
248: pkcs8_config.passargout, &passin, &passout)) {
1.1 jsing 249: BIO_printf(bio_err, "Error getting passwords\n");
250: goto end;
251: }
1.4 doug 252: if ((pkcs8_config.pbe_nid == -1) && !pkcs8_config.cipher)
253: pkcs8_config.pbe_nid = NID_pbeWithMD5AndDES_CBC;
1.1 jsing 254:
1.4 doug 255: if (pkcs8_config.infile) {
256: if (!(in = BIO_new_file(pkcs8_config.infile, "rb"))) {
1.1 jsing 257: BIO_printf(bio_err,
1.4 doug 258: "Can't open input file '%s'\n",
259: pkcs8_config.infile);
1.1 jsing 260: goto end;
261: }
262: } else
263: in = BIO_new_fp(stdin, BIO_NOCLOSE);
264:
1.4 doug 265: if (pkcs8_config.outfile) {
266: if (!(out = BIO_new_file(pkcs8_config.outfile, "wb"))) {
267: BIO_printf(bio_err, "Can't open output file '%s'\n",
268: pkcs8_config.outfile);
1.1 jsing 269: goto end;
270: }
271: } else {
272: out = BIO_new_fp(stdout, BIO_NOCLOSE);
273: }
1.4 doug 274: if (pkcs8_config.topk8) {
275: pkey = load_key(bio_err, pkcs8_config.infile,
1.6 bcook 276: pkcs8_config.informat, 1, passin, "key");
1.1 jsing 277: if (!pkey)
278: goto end;
1.4 doug 279: if (!(p8inf = EVP_PKEY2PKCS8_broken(pkey,
280: pkcs8_config.p8_broken))) {
1.1 jsing 281: BIO_printf(bio_err, "Error converting key\n");
282: ERR_print_errors(bio_err);
283: goto end;
284: }
1.4 doug 285: if (pkcs8_config.nocrypt) {
286: if (pkcs8_config.outformat == FORMAT_PEM)
1.1 jsing 287: PEM_write_bio_PKCS8_PRIV_KEY_INFO(out, p8inf);
1.4 doug 288: else if (pkcs8_config.outformat == FORMAT_ASN1)
1.1 jsing 289: i2d_PKCS8_PRIV_KEY_INFO_bio(out, p8inf);
290: else {
1.4 doug 291: BIO_printf(bio_err,
292: "Bad format specified for key\n");
1.1 jsing 293: goto end;
294: }
295: } else {
296: if (passout)
297: p8pass = passout;
298: else {
299: p8pass = pass;
1.4 doug 300: if (EVP_read_pw_string(pass, sizeof pass,
301: "Enter Encryption Password:", 1))
1.1 jsing 302: goto end;
303: }
1.4 doug 304: if (!(p8 = PKCS8_encrypt(pkcs8_config.pbe_nid,
305: pkcs8_config.cipher, p8pass, strlen(p8pass),
306: NULL, 0, pkcs8_config.iter, p8inf))) {
1.1 jsing 307: BIO_printf(bio_err, "Error encrypting key\n");
308: ERR_print_errors(bio_err);
309: goto end;
310: }
1.4 doug 311: if (pkcs8_config.outformat == FORMAT_PEM)
1.1 jsing 312: PEM_write_bio_PKCS8(out, p8);
1.4 doug 313: else if (pkcs8_config.outformat == FORMAT_ASN1)
1.1 jsing 314: i2d_PKCS8_bio(out, p8);
315: else {
1.4 doug 316: BIO_printf(bio_err,
317: "Bad format specified for key\n");
1.1 jsing 318: goto end;
319: }
320: }
321:
322: ret = 0;
323: goto end;
324: }
1.4 doug 325: if (pkcs8_config.nocrypt) {
326: if (pkcs8_config.informat == FORMAT_PEM)
327: p8inf = PEM_read_bio_PKCS8_PRIV_KEY_INFO(in, NULL,
328: NULL, NULL);
329: else if (pkcs8_config.informat == FORMAT_ASN1)
1.1 jsing 330: p8inf = d2i_PKCS8_PRIV_KEY_INFO_bio(in, NULL);
331: else {
332: BIO_printf(bio_err, "Bad format specified for key\n");
333: goto end;
334: }
335: } else {
1.4 doug 336: if (pkcs8_config.informat == FORMAT_PEM)
1.1 jsing 337: p8 = PEM_read_bio_PKCS8(in, NULL, NULL, NULL);
1.4 doug 338: else if (pkcs8_config.informat == FORMAT_ASN1)
1.1 jsing 339: p8 = d2i_PKCS8_bio(in, NULL);
340: else {
341: BIO_printf(bio_err, "Bad format specified for key\n");
342: goto end;
343: }
344:
345: if (!p8) {
346: BIO_printf(bio_err, "Error reading key\n");
347: ERR_print_errors(bio_err);
348: goto end;
349: }
350: if (passin)
351: p8pass = passin;
352: else {
353: p8pass = pass;
1.4 doug 354: EVP_read_pw_string(pass, sizeof pass,
355: "Enter Password:", 0);
1.1 jsing 356: }
357: p8inf = PKCS8_decrypt(p8, p8pass, strlen(p8pass));
358: }
359:
360: if (!p8inf) {
361: BIO_printf(bio_err, "Error decrypting key\n");
362: ERR_print_errors(bio_err);
363: goto end;
364: }
365: if (!(pkey = EVP_PKCS82PKEY(p8inf))) {
366: BIO_printf(bio_err, "Error converting key\n");
367: ERR_print_errors(bio_err);
368: goto end;
369: }
370: if (p8inf->broken) {
371: BIO_printf(bio_err, "Warning: broken key encoding: ");
372: switch (p8inf->broken) {
373: case PKCS8_NO_OCTET:
374: BIO_printf(bio_err, "No Octet String in PrivateKey\n");
375: break;
376:
377: case PKCS8_EMBEDDED_PARAM:
1.4 doug 378: BIO_printf(bio_err,
379: "DSA parameters included in PrivateKey\n");
1.1 jsing 380: break;
381:
382: case PKCS8_NS_DB:
1.4 doug 383: BIO_printf(bio_err,
384: "DSA public key include in PrivateKey\n");
1.1 jsing 385: break;
386:
387: case PKCS8_NEG_PRIVKEY:
388: BIO_printf(bio_err, "DSA private key value is negative\n");
389: break;
390:
391: default:
392: BIO_printf(bio_err, "Unknown broken type\n");
393: break;
394: }
395: }
1.4 doug 396: if (pkcs8_config.outformat == FORMAT_PEM)
397: PEM_write_bio_PrivateKey(out, pkey, NULL, NULL, 0, NULL,
398: passout);
399: else if (pkcs8_config.outformat == FORMAT_ASN1)
1.1 jsing 400: i2d_PrivateKey_bio(out, pkey);
401: else {
402: BIO_printf(bio_err, "Bad format specified for key\n");
403: goto end;
404: }
405: ret = 0;
406:
407: end:
408: X509_SIG_free(p8);
409: PKCS8_PRIV_KEY_INFO_free(p8inf);
410: EVP_PKEY_free(pkey);
411: BIO_free_all(out);
412: BIO_free(in);
413: free(passin);
414: free(passout);
415:
416: return ret;
417: }