]> git.ipfire.org Git - thirdparty/openssl.git/blame - apps/pkcs8.c
Make PKCS8_PRIV_KEY_INFO opaque.
[thirdparty/openssl.git] / apps / pkcs8.c
CommitLineData
0f113f3e
MC
1/*
2 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
3 * 1999-2004.
600dec15
DSH
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
0f113f3e 13 * notice, this list of conditions and the following disclaimer.
600dec15
DSH
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#include <stdio.h>
2d7153e8 59#include <stdlib.h>
8c197cc5 60#include <string.h>
20432eae 61#include "apps.h"
600dec15
DSH
62#include <openssl/pem.h>
63#include <openssl/err.h>
64#include <openssl/evp.h>
65#include <openssl/pkcs12.h>
66
7e1b7485
RS
67typedef enum OPTION_choice {
68 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
69 OPT_INFORM, OPT_OUTFORM, OPT_ENGINE, OPT_IN, OPT_OUT,
54dbf423 70 OPT_TOPK8, OPT_NOITER, OPT_NOCRYPT,
b0809bc8
RS
71#ifndef OPENSSL_NO_SCRYPT
72 OPT_SCRYPT, OPT_SCRYPT_N, OPT_SCRYPT_R, OPT_SCRYPT_P,
73#endif
74 OPT_V2, OPT_V1, OPT_V2PRF, OPT_ITER, OPT_PASSIN, OPT_PASSOUT
7e1b7485 75} OPTION_CHOICE;
600dec15 76
7e1b7485
RS
77OPTIONS pkcs8_options[] = {
78 {"help", OPT_HELP, '-', "Display this summary"},
79 {"inform", OPT_INFORM, 'F', "Input format (DER or PEM)"},
80 {"outform", OPT_OUTFORM, 'F', "Output format (DER or PEM)"},
81 {"in", OPT_IN, '<', "Input file"},
82 {"out", OPT_OUT, '>', "Output file"},
83 {"topk8", OPT_TOPK8, '-', "Output PKCS8 file"},
84 {"noiter", OPT_NOITER, '-', "Use 1 as iteration count"},
85 {"nocrypt", OPT_NOCRYPT, '-', "Use or expect unencrypted private key"},
7e1b7485
RS
86 {"v2", OPT_V2, 's', "Use PKCS#5 v2.0 and cipher"},
87 {"v1", OPT_V1, 's', "Use PKCS#5 v1.5 and cipher"},
88 {"v2prf", OPT_V2PRF, 's'},
89 {"iter", OPT_ITER, 'p', "Specify the iteration count"},
90 {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
91 {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
92#ifndef OPENSSL_NO_ENGINE
93 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
94#endif
b0809bc8 95#ifndef OPENSSL_NO_SCRYPT
0ceb8b74
DSH
96 {"scrypt", OPT_SCRYPT, '-', "Use scrypt algorithm"},
97 {"scrypt_N", OPT_SCRYPT_N, 's', "Set scrypt N parameter"},
98 {"scrypt_r", OPT_SCRYPT_R, 's', "Set scrypt r parameter"},
99 {"scrypt_p", OPT_SCRYPT_P, 's', "Set scrypt p parameter"},
b0809bc8 100#endif
7e1b7485
RS
101 {NULL}
102};
600dec15 103
7e1b7485 104int pkcs8_main(int argc, char **argv)
0f113f3e 105{
0f113f3e 106 BIO *in = NULL, *out = NULL;
7e1b7485 107 ENGINE *e = NULL;
0f113f3e 108 EVP_PKEY *pkey = NULL;
7e1b7485
RS
109 PKCS8_PRIV_KEY_INFO *p8inf = NULL;
110 X509_SIG *p8 = NULL;
111 const EVP_CIPHER *cipher = NULL;
333b070e 112 char *infile = NULL, *outfile = NULL;
7e1b7485 113 char *passinarg = NULL, *passoutarg = NULL, *prog;
0f113f3e 114 char pass[50], *passin = NULL, *passout = NULL, *p8pass = NULL;
7e1b7485 115 OPTION_CHOICE o;
54dbf423 116 int nocrypt = 0, ret = 1, iter = PKCS12_DEFAULT_ITER;
333b070e 117 int informat = FORMAT_PEM, outformat = FORMAT_PEM, topk8 = 0, pbe_nid = -1;
3b061a00 118 int private = 0;
b0809bc8 119#ifndef OPENSSL_NO_SCRYPT
bd4850df 120 long scrypt_N = 0, scrypt_r = 0, scrypt_p = 0;
b0809bc8 121#endif
3647bee2 122
7e1b7485
RS
123 prog = opt_init(argc, argv, pkcs8_options);
124 while ((o = opt_next()) != OPT_EOF) {
125 switch (o) {
126 case OPT_EOF:
127 case OPT_ERR:
128 opthelp:
129 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
130 goto end;
131 case OPT_HELP:
132 opt_help(pkcs8_options);
133 ret = 0;
134 goto end;
135 case OPT_INFORM:
136 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat))
137 goto opthelp;
138 break;
139 case OPT_IN:
140 infile = opt_arg();
141 break;
142 case OPT_OUTFORM:
143 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat))
144 goto opthelp;
145 break;
146 case OPT_OUT:
147 outfile = opt_arg();
148 break;
149 case OPT_TOPK8:
0f113f3e 150 topk8 = 1;
7e1b7485
RS
151 break;
152 case OPT_NOITER:
0f113f3e 153 iter = 1;
7e1b7485
RS
154 break;
155 case OPT_NOCRYPT:
0f113f3e 156 nocrypt = 1;
7e1b7485 157 break;
7e1b7485
RS
158 case OPT_V2:
159 if (!opt_cipher(opt_arg(), &cipher))
160 goto opthelp;
161 break;
162 case OPT_V1:
163 pbe_nid = OBJ_txt2nid(opt_arg());
164 if (pbe_nid == NID_undef) {
165 BIO_printf(bio_err,
166 "%s: Unknown PBE algorithm %s\n", prog, opt_arg());
167 goto opthelp;
168 }
169 break;
170 case OPT_V2PRF:
171 pbe_nid = OBJ_txt2nid(opt_arg());
172 if (!EVP_PBE_find(EVP_PBE_TYPE_PRF, pbe_nid, NULL, NULL, 0)) {
173 BIO_printf(bio_err,
174 "%s: Unknown PRF algorithm %s\n", prog, opt_arg());
175 goto opthelp;
176 }
177 break;
178 case OPT_ITER:
179 if (!opt_int(opt_arg(), &iter))
180 goto opthelp;
181 break;
182 case OPT_PASSIN:
183 passinarg = opt_arg();
184 break;
185 case OPT_PASSOUT:
186 passoutarg = opt_arg();
187 break;
188 case OPT_ENGINE:
333b070e 189 e = setup_engine(opt_arg(), 0);
7e1b7485 190 break;
b0809bc8 191#ifndef OPENSSL_NO_SCRYPT
0ceb8b74 192 case OPT_SCRYPT:
5fc3ee4b 193 scrypt_N = 16384;
0ceb8b74 194 scrypt_r = 8;
5fc3ee4b 195 scrypt_p = 1;
0ceb8b74
DSH
196 if (cipher == NULL)
197 cipher = EVP_aes_256_cbc();
198 break;
199 case OPT_SCRYPT_N:
bd4850df 200 if (!opt_long(opt_arg(), &scrypt_N) || scrypt_N <= 0)
0ceb8b74
DSH
201 goto opthelp;
202 break;
203 case OPT_SCRYPT_R:
bd4850df 204 if (!opt_long(opt_arg(), &scrypt_r) || scrypt_r <= 0)
0ceb8b74
DSH
205 goto opthelp;
206 break;
207 case OPT_SCRYPT_P:
bd4850df 208 if (!opt_long(opt_arg(), &scrypt_p) || scrypt_p <= 0)
0ceb8b74
DSH
209 goto opthelp;
210 break;
b0809bc8 211#endif
0f113f3e 212 }
0f113f3e 213 }
7e1b7485 214 argc = opt_num_rest();
03358517
KR
215 if (argc != 0)
216 goto opthelp;
217
3b061a00 218 private = 1;
600dec15 219
7e1b7485 220 if (!app_passwd(passinarg, passoutarg, &passin, &passout)) {
0f113f3e
MC
221 BIO_printf(bio_err, "Error getting passwords\n");
222 goto end;
223 }
a3fe382e 224
0f113f3e
MC
225 if ((pbe_nid == -1) && !cipher)
226 pbe_nid = NID_pbeWithMD5AndDES_CBC;
600dec15 227
bdd58d98 228 in = bio_open_default(infile, 'r', informat);
7e1b7485
RS
229 if (in == NULL)
230 goto end;
bdd58d98 231 out = bio_open_owner(outfile, outformat, private);
7e1b7485
RS
232 if (out == NULL)
233 goto end;
3b061a00 234
0f113f3e 235 if (topk8) {
7e1b7485 236 pkey = load_key(infile, informat, 1, passin, e, "key");
0f113f3e
MC
237 if (!pkey)
238 goto end;
54dbf423 239 if ((p8inf = EVP_PKEY2PKCS8(pkey)) == NULL) {
0f113f3e
MC
240 BIO_printf(bio_err, "Error converting key\n");
241 ERR_print_errors(bio_err);
242 goto end;
243 }
244 if (nocrypt) {
3b061a00 245 assert(private);
0f113f3e
MC
246 if (outformat == FORMAT_PEM)
247 PEM_write_bio_PKCS8_PRIV_KEY_INFO(out, p8inf);
248 else if (outformat == FORMAT_ASN1)
249 i2d_PKCS8_PRIV_KEY_INFO_bio(out, p8inf);
250 else {
251 BIO_printf(bio_err, "Bad format specified for key\n");
252 goto end;
253 }
254 } else {
6355d315 255 X509_ALGOR *pbe;
0ceb8b74 256 if (cipher) {
b0809bc8 257#ifndef OPENSSL_NO_SCRYPT
0ceb8b74
DSH
258 if (scrypt_N && scrypt_r && scrypt_p)
259 pbe = PKCS5_pbe2_set_scrypt(cipher, NULL, 0, NULL,
260 scrypt_N, scrypt_r, scrypt_p);
261 else
b0809bc8 262#endif
0ceb8b74
DSH
263 pbe = PKCS5_pbe2_set_iv(cipher, iter, NULL, 0, NULL,
264 pbe_nid);
265 } else {
6355d315 266 pbe = PKCS5_pbe_set(pbe_nid, iter, NULL, 0);
0ceb8b74 267 }
6355d315
DSH
268 if (pbe == NULL) {
269 BIO_printf(bio_err, "Error setting PBE algorithm\n");
270 ERR_print_errors(bio_err);
271 goto end;
272 }
0f113f3e
MC
273 if (passout)
274 p8pass = passout;
275 else {
276 p8pass = pass;
277 if (EVP_read_pw_string
6355d315
DSH
278 (pass, sizeof pass, "Enter Encryption Password:", 1)) {
279 X509_ALGOR_free(pbe);
0f113f3e 280 goto end;
6355d315 281 }
0f113f3e 282 }
7e1b7485 283 app_RAND_load_file(NULL, 0);
6355d315
DSH
284 p8 = PKCS8_set0_pbe(p8pass, strlen(p8pass), p8inf, pbe);
285 if (p8 == NULL) {
286 X509_ALGOR_free(pbe);
0f113f3e
MC
287 BIO_printf(bio_err, "Error encrypting key\n");
288 ERR_print_errors(bio_err);
289 goto end;
290 }
7e1b7485 291 app_RAND_write_file(NULL);
3b061a00 292 assert(private);
0f113f3e
MC
293 if (outformat == FORMAT_PEM)
294 PEM_write_bio_PKCS8(out, p8);
295 else if (outformat == FORMAT_ASN1)
296 i2d_PKCS8_bio(out, p8);
297 else {
298 BIO_printf(bio_err, "Bad format specified for key\n");
299 goto end;
300 }
301 }
302
303 ret = 0;
304 goto end;
305 }
306
307 if (nocrypt) {
308 if (informat == FORMAT_PEM)
309 p8inf = PEM_read_bio_PKCS8_PRIV_KEY_INFO(in, NULL, NULL, NULL);
310 else if (informat == FORMAT_ASN1)
311 p8inf = d2i_PKCS8_PRIV_KEY_INFO_bio(in, NULL);
312 else {
313 BIO_printf(bio_err, "Bad format specified for key\n");
314 goto end;
315 }
316 } else {
317 if (informat == FORMAT_PEM)
318 p8 = PEM_read_bio_PKCS8(in, NULL, NULL, NULL);
319 else if (informat == FORMAT_ASN1)
320 p8 = d2i_PKCS8_bio(in, NULL);
321 else {
322 BIO_printf(bio_err, "Bad format specified for key\n");
323 goto end;
324 }
8a605478 325
0f113f3e
MC
326 if (!p8) {
327 BIO_printf(bio_err, "Error reading key\n");
328 ERR_print_errors(bio_err);
329 goto end;
330 }
331 if (passin)
332 p8pass = passin;
333 else {
334 p8pass = pass;
335 EVP_read_pw_string(pass, sizeof pass, "Enter Password:", 0);
336 }
337 p8inf = PKCS8_decrypt(p8, p8pass, strlen(p8pass));
338 }
600dec15 339
0f113f3e
MC
340 if (!p8inf) {
341 BIO_printf(bio_err, "Error decrypting key\n");
342 ERR_print_errors(bio_err);
343 goto end;
344 }
3cbb7937 345
75ebbd9a 346 if ((pkey = EVP_PKCS82PKEY(p8inf)) == NULL) {
0f113f3e
MC
347 BIO_printf(bio_err, "Error converting key\n");
348 ERR_print_errors(bio_err);
349 goto end;
350 }
e7871ffa 351
3b061a00 352 assert(private);
0f113f3e
MC
353 if (outformat == FORMAT_PEM)
354 PEM_write_bio_PrivateKey(out, pkey, NULL, NULL, 0, NULL, passout);
355 else if (outformat == FORMAT_ASN1)
356 i2d_PrivateKey_bio(out, pkey);
357 else {
358 BIO_printf(bio_err, "Bad format specified for key\n");
359 goto end;
360 }
361 ret = 0;
600dec15 362
0f113f3e
MC
363 end:
364 X509_SIG_free(p8);
365 PKCS8_PRIV_KEY_INFO_free(p8inf);
366 EVP_PKEY_free(pkey);
367 BIO_free_all(out);
368 BIO_free(in);
b548a1f1
RS
369 OPENSSL_free(passin);
370 OPENSSL_free(passout);
8eb57af5 371
0f113f3e
MC
372 return ret;
373}