Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 1 | /* pkcs8.c */ |
| 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 | #include <stdio.h> |
| 59 | #include <string.h> |
| 60 | #include "apps.h" |
| 61 | #include <openssl/pem.h> |
| 62 | #include <openssl/err.h> |
| 63 | #include <openssl/evp.h> |
| 64 | #include <openssl/pkcs12.h> |
| 65 | |
| 66 | #define PROG pkcs8_main |
| 67 | |
| 68 | int MAIN(int, char **); |
| 69 | |
| 70 | int MAIN(int argc, char **argv) |
| 71 | { |
| 72 | ENGINE *e = NULL; |
| 73 | char **args, *infile = NULL, *outfile = NULL; |
| 74 | char *passargin = NULL, *passargout = NULL; |
| 75 | BIO *in = NULL, *out = NULL; |
| 76 | int topk8 = 0; |
| 77 | int pbe_nid = -1; |
| 78 | const EVP_CIPHER *cipher = NULL; |
| 79 | int iter = PKCS12_DEFAULT_ITER; |
| 80 | int informat, outformat; |
| 81 | int p8_broken = PKCS8_OK; |
| 82 | int nocrypt = 0; |
| 83 | X509_SIG *p8 = NULL; |
| 84 | PKCS8_PRIV_KEY_INFO *p8inf = NULL; |
| 85 | EVP_PKEY *pkey=NULL; |
| 86 | char pass[50], *passin = NULL, *passout = NULL, *p8pass = NULL; |
| 87 | int badarg = 0; |
| 88 | int ret = 1; |
| 89 | #ifndef OPENSSL_NO_ENGINE |
| 90 | char *engine=NULL; |
| 91 | #endif |
| 92 | |
| 93 | if (bio_err == NULL) bio_err = BIO_new_fp (stderr, BIO_NOCLOSE); |
| 94 | |
| 95 | if (!load_config(bio_err, NULL)) |
| 96 | goto end; |
| 97 | |
| 98 | informat=FORMAT_PEM; |
| 99 | outformat=FORMAT_PEM; |
| 100 | |
| 101 | ERR_load_crypto_strings(); |
| 102 | OpenSSL_add_all_algorithms(); |
| 103 | args = argv + 1; |
| 104 | while (!badarg && *args && *args[0] == '-') |
| 105 | { |
| 106 | if (!strcmp(*args,"-v2")) |
| 107 | { |
| 108 | if (args[1]) |
| 109 | { |
| 110 | args++; |
| 111 | cipher=EVP_get_cipherbyname(*args); |
| 112 | if (!cipher) |
| 113 | { |
| 114 | BIO_printf(bio_err, |
| 115 | "Unknown cipher %s\n", *args); |
| 116 | badarg = 1; |
| 117 | } |
| 118 | } |
| 119 | else |
| 120 | badarg = 1; |
| 121 | } |
| 122 | else if (!strcmp(*args,"-v1")) |
| 123 | { |
| 124 | if (args[1]) |
| 125 | { |
| 126 | args++; |
| 127 | pbe_nid=OBJ_txt2nid(*args); |
| 128 | if (pbe_nid == NID_undef) |
| 129 | { |
| 130 | BIO_printf(bio_err, |
| 131 | "Unknown PBE algorithm %s\n", *args); |
| 132 | badarg = 1; |
| 133 | } |
| 134 | } |
| 135 | else |
| 136 | badarg = 1; |
| 137 | } |
| 138 | else if (!strcmp(*args,"-inform")) |
| 139 | { |
| 140 | if (args[1]) |
| 141 | { |
| 142 | args++; |
| 143 | informat=str2fmt(*args); |
| 144 | } |
| 145 | else badarg = 1; |
| 146 | } |
| 147 | else if (!strcmp(*args,"-outform")) |
| 148 | { |
| 149 | if (args[1]) |
| 150 | { |
| 151 | args++; |
| 152 | outformat=str2fmt(*args); |
| 153 | } |
| 154 | else badarg = 1; |
| 155 | } |
| 156 | else if (!strcmp (*args, "-topk8")) |
| 157 | topk8 = 1; |
| 158 | else if (!strcmp (*args, "-noiter")) |
| 159 | iter = 1; |
| 160 | else if (!strcmp (*args, "-nocrypt")) |
| 161 | nocrypt = 1; |
| 162 | else if (!strcmp (*args, "-nooct")) |
| 163 | p8_broken = PKCS8_NO_OCTET; |
| 164 | else if (!strcmp (*args, "-nsdb")) |
| 165 | p8_broken = PKCS8_NS_DB; |
| 166 | else if (!strcmp (*args, "-embed")) |
| 167 | p8_broken = PKCS8_EMBEDDED_PARAM; |
| 168 | else if (!strcmp(*args,"-passin")) |
| 169 | { |
| 170 | if (!args[1]) goto bad; |
| 171 | passargin= *(++args); |
| 172 | } |
| 173 | else if (!strcmp(*args,"-passout")) |
| 174 | { |
| 175 | if (!args[1]) goto bad; |
| 176 | passargout= *(++args); |
| 177 | } |
| 178 | #ifndef OPENSSL_NO_ENGINE |
| 179 | else if (strcmp(*args,"-engine") == 0) |
| 180 | { |
| 181 | if (!args[1]) goto bad; |
| 182 | engine= *(++args); |
| 183 | } |
| 184 | #endif |
| 185 | else if (!strcmp (*args, "-in")) |
| 186 | { |
| 187 | if (args[1]) |
| 188 | { |
| 189 | args++; |
| 190 | infile = *args; |
| 191 | } |
| 192 | else badarg = 1; |
| 193 | } |
| 194 | else if (!strcmp (*args, "-out")) |
| 195 | { |
| 196 | if (args[1]) |
| 197 | { |
| 198 | args++; |
| 199 | outfile = *args; |
| 200 | } |
| 201 | else badarg = 1; |
| 202 | } |
| 203 | else badarg = 1; |
| 204 | args++; |
| 205 | } |
| 206 | |
| 207 | if (badarg) |
| 208 | { |
| 209 | bad: |
| 210 | BIO_printf(bio_err, "Usage pkcs8 [options]\n"); |
| 211 | BIO_printf(bio_err, "where options are\n"); |
| 212 | BIO_printf(bio_err, "-in file input file\n"); |
| 213 | BIO_printf(bio_err, "-inform X input format (DER or PEM)\n"); |
| 214 | BIO_printf(bio_err, "-passin arg input file pass phrase source\n"); |
| 215 | BIO_printf(bio_err, "-outform X output format (DER or PEM)\n"); |
| 216 | BIO_printf(bio_err, "-out file output file\n"); |
| 217 | BIO_printf(bio_err, "-passout arg output file pass phrase source\n"); |
| 218 | BIO_printf(bio_err, "-topk8 output PKCS8 file\n"); |
| 219 | BIO_printf(bio_err, "-nooct use (nonstandard) no octet format\n"); |
| 220 | BIO_printf(bio_err, "-embed use (nonstandard) embedded DSA parameters format\n"); |
| 221 | BIO_printf(bio_err, "-nsdb use (nonstandard) DSA Netscape DB format\n"); |
| 222 | BIO_printf(bio_err, "-noiter use 1 as iteration count\n"); |
| 223 | BIO_printf(bio_err, "-nocrypt use or expect unencrypted private key\n"); |
| 224 | BIO_printf(bio_err, "-v2 alg use PKCS#5 v2.0 and cipher \"alg\"\n"); |
| 225 | BIO_printf(bio_err, "-v1 obj use PKCS#5 v1.5 and cipher \"alg\"\n"); |
| 226 | #ifndef OPENSSL_NO_ENGINE |
| 227 | BIO_printf(bio_err," -engine e use engine e, possibly a hardware device.\n"); |
| 228 | #endif |
| 229 | goto end; |
| 230 | } |
| 231 | |
| 232 | #ifndef OPENSSL_NO_ENGINE |
| 233 | e = setup_engine(bio_err, engine, 0); |
| 234 | #endif |
| 235 | |
| 236 | if (!app_passwd(bio_err, passargin, passargout, &passin, &passout)) |
| 237 | { |
| 238 | BIO_printf(bio_err, "Error getting passwords\n"); |
| 239 | goto end; |
| 240 | } |
| 241 | |
| 242 | if ((pbe_nid == -1) && !cipher) |
| 243 | pbe_nid = NID_pbeWithMD5AndDES_CBC; |
| 244 | |
| 245 | if (infile) |
| 246 | { |
| 247 | if (!(in = BIO_new_file(infile, "rb"))) |
| 248 | { |
| 249 | BIO_printf(bio_err, |
| 250 | "Can't open input file %s\n", infile); |
| 251 | goto end; |
| 252 | } |
| 253 | } |
| 254 | else |
| 255 | in = BIO_new_fp (stdin, BIO_NOCLOSE); |
| 256 | |
| 257 | if (outfile) |
| 258 | { |
| 259 | if (!(out = BIO_new_file (outfile, "wb"))) |
| 260 | { |
| 261 | BIO_printf(bio_err, |
| 262 | "Can't open output file %s\n", outfile); |
| 263 | goto end; |
| 264 | } |
| 265 | } |
| 266 | else |
| 267 | { |
| 268 | out = BIO_new_fp (stdout, BIO_NOCLOSE); |
| 269 | #ifdef OPENSSL_SYS_VMS |
| 270 | { |
| 271 | BIO *tmpbio = BIO_new(BIO_f_linebuffer()); |
| 272 | out = BIO_push(tmpbio, out); |
| 273 | } |
| 274 | #endif |
| 275 | } |
| 276 | if (topk8) |
| 277 | { |
| 278 | pkey = load_key(bio_err, infile, informat, 1, |
| 279 | passin, e, "key"); |
| 280 | if (!pkey) |
| 281 | goto end; |
| 282 | if (!(p8inf = EVP_PKEY2PKCS8_broken(pkey, p8_broken))) |
| 283 | { |
| 284 | BIO_printf(bio_err, "Error converting key\n"); |
| 285 | ERR_print_errors(bio_err); |
| 286 | goto end; |
| 287 | } |
| 288 | if (nocrypt) |
| 289 | { |
| 290 | if (outformat == FORMAT_PEM) |
| 291 | PEM_write_bio_PKCS8_PRIV_KEY_INFO(out, p8inf); |
| 292 | else if (outformat == FORMAT_ASN1) |
| 293 | i2d_PKCS8_PRIV_KEY_INFO_bio(out, p8inf); |
| 294 | else |
| 295 | { |
| 296 | BIO_printf(bio_err, "Bad format specified for key\n"); |
| 297 | goto end; |
| 298 | } |
| 299 | } |
| 300 | else |
| 301 | { |
| 302 | if (passout) |
| 303 | p8pass = passout; |
| 304 | else |
| 305 | { |
| 306 | p8pass = pass; |
| 307 | if (EVP_read_pw_string(pass, sizeof pass, "Enter Encryption Password:", 1)) |
| 308 | goto end; |
| 309 | } |
| 310 | app_RAND_load_file(NULL, bio_err, 0); |
| 311 | if (!(p8 = PKCS8_encrypt(pbe_nid, cipher, |
| 312 | p8pass, strlen(p8pass), |
| 313 | NULL, 0, iter, p8inf))) |
| 314 | { |
| 315 | BIO_printf(bio_err, "Error encrypting key\n"); |
| 316 | ERR_print_errors(bio_err); |
| 317 | goto end; |
| 318 | } |
| 319 | app_RAND_write_file(NULL, bio_err); |
| 320 | if (outformat == FORMAT_PEM) |
| 321 | PEM_write_bio_PKCS8(out, p8); |
| 322 | else if (outformat == FORMAT_ASN1) |
| 323 | i2d_PKCS8_bio(out, p8); |
| 324 | else |
| 325 | { |
| 326 | BIO_printf(bio_err, "Bad format specified for key\n"); |
| 327 | goto end; |
| 328 | } |
| 329 | } |
| 330 | |
| 331 | ret = 0; |
| 332 | goto end; |
| 333 | } |
| 334 | |
| 335 | if (nocrypt) |
| 336 | { |
| 337 | if (informat == FORMAT_PEM) |
| 338 | p8inf = PEM_read_bio_PKCS8_PRIV_KEY_INFO(in,NULL,NULL, NULL); |
| 339 | else if (informat == FORMAT_ASN1) |
| 340 | p8inf = d2i_PKCS8_PRIV_KEY_INFO_bio(in, NULL); |
| 341 | else |
| 342 | { |
| 343 | BIO_printf(bio_err, "Bad format specified for key\n"); |
| 344 | goto end; |
| 345 | } |
| 346 | } |
| 347 | else |
| 348 | { |
| 349 | if (informat == FORMAT_PEM) |
| 350 | p8 = PEM_read_bio_PKCS8(in, NULL, NULL, NULL); |
| 351 | else if (informat == FORMAT_ASN1) |
| 352 | p8 = d2i_PKCS8_bio(in, NULL); |
| 353 | else |
| 354 | { |
| 355 | BIO_printf(bio_err, "Bad format specified for key\n"); |
| 356 | goto end; |
| 357 | } |
| 358 | |
| 359 | if (!p8) |
| 360 | { |
| 361 | BIO_printf (bio_err, "Error reading key\n"); |
| 362 | ERR_print_errors(bio_err); |
| 363 | goto end; |
| 364 | } |
| 365 | if (passin) |
| 366 | p8pass = passin; |
| 367 | else |
| 368 | { |
| 369 | p8pass = pass; |
| 370 | EVP_read_pw_string(pass, sizeof pass, "Enter Password:", 0); |
| 371 | } |
| 372 | p8inf = PKCS8_decrypt(p8, p8pass, strlen(p8pass)); |
| 373 | } |
| 374 | |
| 375 | if (!p8inf) |
| 376 | { |
| 377 | BIO_printf(bio_err, "Error decrypting key\n"); |
| 378 | ERR_print_errors(bio_err); |
| 379 | goto end; |
| 380 | } |
| 381 | |
| 382 | if (!(pkey = EVP_PKCS82PKEY(p8inf))) |
| 383 | { |
| 384 | BIO_printf(bio_err, "Error converting key\n"); |
| 385 | ERR_print_errors(bio_err); |
| 386 | goto end; |
| 387 | } |
| 388 | |
| 389 | if (p8inf->broken) |
| 390 | { |
| 391 | BIO_printf(bio_err, "Warning: broken key encoding: "); |
| 392 | switch (p8inf->broken) |
| 393 | { |
| 394 | case PKCS8_NO_OCTET: |
| 395 | BIO_printf(bio_err, "No Octet String in PrivateKey\n"); |
| 396 | break; |
| 397 | |
| 398 | case PKCS8_EMBEDDED_PARAM: |
| 399 | BIO_printf(bio_err, "DSA parameters included in PrivateKey\n"); |
| 400 | break; |
| 401 | |
| 402 | case PKCS8_NS_DB: |
| 403 | BIO_printf(bio_err, "DSA public key include in PrivateKey\n"); |
| 404 | break; |
| 405 | |
| 406 | case PKCS8_NEG_PRIVKEY: |
| 407 | BIO_printf(bio_err, "DSA private key value is negative\n"); |
| 408 | break; |
| 409 | |
| 410 | default: |
| 411 | BIO_printf(bio_err, "Unknown broken type\n"); |
| 412 | break; |
| 413 | } |
| 414 | } |
| 415 | |
| 416 | if (outformat == FORMAT_PEM) |
| 417 | PEM_write_bio_PrivateKey(out, pkey, NULL, NULL, 0, NULL, passout); |
| 418 | else if (outformat == FORMAT_ASN1) |
| 419 | i2d_PrivateKey_bio(out, pkey); |
| 420 | else |
| 421 | { |
| 422 | BIO_printf(bio_err, "Bad format specified for key\n"); |
| 423 | goto end; |
| 424 | } |
| 425 | ret = 0; |
| 426 | |
| 427 | end: |
| 428 | X509_SIG_free(p8); |
| 429 | PKCS8_PRIV_KEY_INFO_free(p8inf); |
| 430 | EVP_PKEY_free(pkey); |
| 431 | BIO_free_all(out); |
| 432 | BIO_free(in); |
| 433 | if (passin) |
| 434 | OPENSSL_free(passin); |
| 435 | if (passout) |
| 436 | OPENSSL_free(passout); |
| 437 | |
| 438 | return ret; |
| 439 | } |