1 /* pkcs8.c */ 2 /* 3 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project 4 * 1999-2004. 5 */ 6 /* ==================================================================== 7 * Copyright (c) 1999 The OpenSSL Project. All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in 18 * the documentation and/or other materials provided with the 19 * distribution. 20 * 21 * 3. All advertising materials mentioning features or use of this 22 * software must display the following acknowledgment: 23 * "This product includes software developed by the OpenSSL Project 24 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 25 * 26 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 27 * endorse or promote products derived from this software without 28 * prior written permission. For written permission, please contact 29 * licensing@OpenSSL.org. 30 * 31 * 5. Products derived from this software may not be called "OpenSSL" 32 * nor may "OpenSSL" appear in their names without prior written 33 * permission of the OpenSSL Project. 34 * 35 * 6. Redistributions of any form whatsoever must retain the following 36 * acknowledgment: 37 * "This product includes software developed by the OpenSSL Project 38 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 39 * 40 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 41 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 43 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 44 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 47 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 49 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 50 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 51 * OF THE POSSIBILITY OF SUCH DAMAGE. 52 * ==================================================================== 53 * 54 * This product includes cryptographic software written by Eric Young 55 * (eay@cryptsoft.com). This product includes software written by Tim 56 * Hudson (tjh@cryptsoft.com). 57 * 58 */ 59 #include <stdio.h> 60 #include <string.h> 61 #include "apps.h" 62 #include <openssl/pem.h> 63 #include <openssl/err.h> 64 #include <openssl/evp.h> 65 #include <openssl/pkcs12.h> 66 67 #define PROG pkcs8_main 68 69 int MAIN(int, char **); 70 71 int MAIN(int argc, char **argv) 72 { 73 ENGINE *e = NULL; 74 char **args, *infile = NULL, *outfile = NULL; 75 char *passargin = NULL, *passargout = NULL; 76 BIO *in = NULL, *out = NULL; 77 int topk8 = 0; 78 int pbe_nid = -1; 79 const EVP_CIPHER *cipher = NULL; 80 int iter = PKCS12_DEFAULT_ITER; 81 int informat, outformat; 82 int p8_broken = PKCS8_OK; 83 int nocrypt = 0; 84 X509_SIG *p8 = NULL; 85 PKCS8_PRIV_KEY_INFO *p8inf = NULL; 86 EVP_PKEY *pkey = NULL; 87 char pass[50], *passin = NULL, *passout = NULL, *p8pass = NULL; 88 int badarg = 0; 89 int ret = 1; 90 #ifndef OPENSSL_NO_ENGINE 91 char *engine = NULL; 92 #endif 93 94 if (bio_err == NULL) 95 bio_err = BIO_new_fp(stderr, BIO_NOCLOSE); 96 97 if (!load_config(bio_err, NULL)) 98 goto end; 99 100 informat = FORMAT_PEM; 101 outformat = FORMAT_PEM; 102 103 ERR_load_crypto_strings(); 104 OpenSSL_add_all_algorithms(); 105 args = argv + 1; 106 while (!badarg && *args && *args[0] == '-') { 107 if (!strcmp(*args, "-v2")) { 108 if (args[1]) { 109 args++; 110 cipher = EVP_get_cipherbyname(*args); 111 if (!cipher) { 112 BIO_printf(bio_err, "Unknown cipher %s\n", *args); 113 badarg = 1; 114 } 115 } else 116 badarg = 1; 117 } else if (!strcmp(*args, "-v1")) { 118 if (args[1]) { 119 args++; 120 pbe_nid = OBJ_txt2nid(*args); 121 if (pbe_nid == NID_undef) { 122 BIO_printf(bio_err, "Unknown PBE algorithm %s\n", *args); 123 badarg = 1; 124 } 125 } else 126 badarg = 1; 127 } else if (!strcmp(*args, "-v2prf")) { 128 if (args[1]) { 129 args++; 130 pbe_nid = OBJ_txt2nid(*args); 131 if (!EVP_PBE_find(EVP_PBE_TYPE_PRF, pbe_nid, NULL, NULL, 0)) { 132 BIO_printf(bio_err, "Unknown PRF algorithm %s\n", *args); 133 badarg = 1; 134 } 135 } else 136 badarg = 1; 137 } else if (!strcmp(*args, "-inform")) { 138 if (args[1]) { 139 args++; 140 informat = str2fmt(*args); 141 } else 142 badarg = 1; 143 } else if (!strcmp(*args, "-outform")) { 144 if (args[1]) { 145 args++; 146 outformat = str2fmt(*args); 147 } else 148 badarg = 1; 149 } else if (!strcmp(*args, "-topk8")) 150 topk8 = 1; 151 else if (!strcmp(*args, "-noiter")) 152 iter = 1; 153 else if (!strcmp(*args, "-nocrypt")) 154 nocrypt = 1; 155 else if (!strcmp(*args, "-nooct")) 156 p8_broken = PKCS8_NO_OCTET; 157 else if (!strcmp(*args, "-nsdb")) 158 p8_broken = PKCS8_NS_DB; 159 else if (!strcmp(*args, "-embed")) 160 p8_broken = PKCS8_EMBEDDED_PARAM; 161 else if (!strcmp(*args, "-passin")) { 162 if (!args[1]) 163 goto bad; 164 passargin = *(++args); 165 } else if (!strcmp(*args, "-passout")) { 166 if (!args[1]) 167 goto bad; 168 passargout = *(++args); 169 } 170 #ifndef OPENSSL_NO_ENGINE 171 else if (strcmp(*args, "-engine") == 0) { 172 if (!args[1]) 173 goto bad; 174 engine = *(++args); 175 } 176 #endif 177 else if (!strcmp(*args, "-in")) { 178 if (args[1]) { 179 args++; 180 infile = *args; 181 } else 182 badarg = 1; 183 } else if (!strcmp(*args, "-out")) { 184 if (args[1]) { 185 args++; 186 outfile = *args; 187 } else 188 badarg = 1; 189 } else 190 badarg = 1; 191 args++; 192 } 193 194 if (badarg) { 195 bad: 196 BIO_printf(bio_err, "Usage pkcs8 [options]\n"); 197 BIO_printf(bio_err, "where options are\n"); 198 BIO_printf(bio_err, "-in file input file\n"); 199 BIO_printf(bio_err, "-inform X input format (DER or PEM)\n"); 200 BIO_printf(bio_err, 201 "-passin arg input file pass phrase source\n"); 202 BIO_printf(bio_err, "-outform X output format (DER or PEM)\n"); 203 BIO_printf(bio_err, "-out file output file\n"); 204 BIO_printf(bio_err, 205 "-passout arg output file pass phrase source\n"); 206 BIO_printf(bio_err, "-topk8 output PKCS8 file\n"); 207 BIO_printf(bio_err, 208 "-nooct use (nonstandard) no octet format\n"); 209 BIO_printf(bio_err, 210 "-embed use (nonstandard) embedded DSA parameters format\n"); 211 BIO_printf(bio_err, 212 "-nsdb use (nonstandard) DSA Netscape DB format\n"); 213 BIO_printf(bio_err, "-noiter use 1 as iteration count\n"); 214 BIO_printf(bio_err, 215 "-nocrypt use or expect unencrypted private key\n"); 216 BIO_printf(bio_err, 217 "-v2 alg use PKCS#5 v2.0 and cipher \"alg\"\n"); 218 BIO_printf(bio_err, 219 "-v1 obj use PKCS#5 v1.5 and cipher \"alg\"\n"); 220 #ifndef OPENSSL_NO_ENGINE 221 BIO_printf(bio_err, 222 " -engine e use engine e, possibly a hardware device.\n"); 223 #endif 224 goto end; 225 } 226 #ifndef OPENSSL_NO_ENGINE 227 e = setup_engine(bio_err, engine, 0); 228 #endif 229 230 if (!app_passwd(bio_err, passargin, passargout, &passin, &passout)) { 231 BIO_printf(bio_err, "Error getting passwords\n"); 232 goto end; 233 } 234 235 if ((pbe_nid == -1) && !cipher) 236 pbe_nid = NID_pbeWithMD5AndDES_CBC; 237 238 if (infile) { 239 if (!(in = BIO_new_file(infile, "rb"))) { 240 BIO_printf(bio_err, "Can't open input file %s\n", infile); 241 goto end; 242 } 243 } else 244 in = BIO_new_fp(stdin, BIO_NOCLOSE); 245 246 if (outfile) { 247 if (!(out = BIO_new_file(outfile, "wb"))) { 248 BIO_printf(bio_err, "Can't open output file %s\n", outfile); 249 goto end; 250 } 251 } else { 252 out = BIO_new_fp(stdout, BIO_NOCLOSE); 253 #ifdef OPENSSL_SYS_VMS 254 { 255 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); 256 out = BIO_push(tmpbio, out); 257 } 258 #endif 259 } 260 if (topk8) { 261 pkey = load_key(bio_err, infile, informat, 1, passin, e, "key"); 262 if (!pkey) 263 goto end; 264 if (!(p8inf = EVP_PKEY2PKCS8_broken(pkey, p8_broken))) { 265 BIO_printf(bio_err, "Error converting key\n"); 266 ERR_print_errors(bio_err); 267 goto end; 268 } 269 if (nocrypt) { 270 if (outformat == FORMAT_PEM) 271 PEM_write_bio_PKCS8_PRIV_KEY_INFO(out, p8inf); 272 else if (outformat == FORMAT_ASN1) 273 i2d_PKCS8_PRIV_KEY_INFO_bio(out, p8inf); 274 else { 275 BIO_printf(bio_err, "Bad format specified for key\n"); 276 goto end; 277 } 278 } else { 279 if (passout) 280 p8pass = passout; 281 else { 282 p8pass = pass; 283 if (EVP_read_pw_string 284 (pass, sizeof pass, "Enter Encryption Password:", 1)) 285 goto end; 286 } 287 app_RAND_load_file(NULL, bio_err, 0); 288 if (!(p8 = PKCS8_encrypt(pbe_nid, cipher, 289 p8pass, strlen(p8pass), 290 NULL, 0, iter, p8inf))) { 291 BIO_printf(bio_err, "Error encrypting key\n"); 292 ERR_print_errors(bio_err); 293 goto end; 294 } 295 app_RAND_write_file(NULL, bio_err); 296 if (outformat == FORMAT_PEM) 297 PEM_write_bio_PKCS8(out, p8); 298 else if (outformat == FORMAT_ASN1) 299 i2d_PKCS8_bio(out, p8); 300 else { 301 BIO_printf(bio_err, "Bad format specified for key\n"); 302 goto end; 303 } 304 } 305 306 ret = 0; 307 goto end; 308 } 309 310 if (nocrypt) { 311 if (informat == FORMAT_PEM) 312 p8inf = PEM_read_bio_PKCS8_PRIV_KEY_INFO(in, NULL, NULL, NULL); 313 else if (informat == FORMAT_ASN1) 314 p8inf = d2i_PKCS8_PRIV_KEY_INFO_bio(in, NULL); 315 else { 316 BIO_printf(bio_err, "Bad format specified for key\n"); 317 goto end; 318 } 319 } else { 320 if (informat == FORMAT_PEM) 321 p8 = PEM_read_bio_PKCS8(in, NULL, NULL, NULL); 322 else if (informat == FORMAT_ASN1) 323 p8 = d2i_PKCS8_bio(in, NULL); 324 else { 325 BIO_printf(bio_err, "Bad format specified for key\n"); 326 goto end; 327 } 328 329 if (!p8) { 330 BIO_printf(bio_err, "Error reading key\n"); 331 ERR_print_errors(bio_err); 332 goto end; 333 } 334 if (passin) 335 p8pass = passin; 336 else { 337 p8pass = pass; 338 EVP_read_pw_string(pass, sizeof pass, "Enter Password:", 0); 339 } 340 p8inf = PKCS8_decrypt(p8, p8pass, strlen(p8pass)); 341 } 342 343 if (!p8inf) { 344 BIO_printf(bio_err, "Error decrypting key\n"); 345 ERR_print_errors(bio_err); 346 goto end; 347 } 348 349 if (!(pkey = EVP_PKCS82PKEY(p8inf))) { 350 BIO_printf(bio_err, "Error converting key\n"); 351 ERR_print_errors(bio_err); 352 goto end; 353 } 354 355 if (p8inf->broken) { 356 BIO_printf(bio_err, "Warning: broken key encoding: "); 357 switch (p8inf->broken) { 358 case PKCS8_NO_OCTET: 359 BIO_printf(bio_err, "No Octet String in PrivateKey\n"); 360 break; 361 362 case PKCS8_EMBEDDED_PARAM: 363 BIO_printf(bio_err, "DSA parameters included in PrivateKey\n"); 364 break; 365 366 case PKCS8_NS_DB: 367 BIO_printf(bio_err, "DSA public key include in PrivateKey\n"); 368 break; 369 370 case PKCS8_NEG_PRIVKEY: 371 BIO_printf(bio_err, "DSA private key value is negative\n"); 372 break; 373 374 default: 375 BIO_printf(bio_err, "Unknown broken type\n"); 376 break; 377 } 378 } 379 380 if (outformat == FORMAT_PEM) 381 PEM_write_bio_PrivateKey(out, pkey, NULL, NULL, 0, NULL, passout); 382 else if (outformat == FORMAT_ASN1) 383 i2d_PrivateKey_bio(out, pkey); 384 else { 385 BIO_printf(bio_err, "Bad format specified for key\n"); 386 goto end; 387 } 388 ret = 0; 389 390 end: 391 X509_SIG_free(p8); 392 PKCS8_PRIV_KEY_INFO_free(p8inf); 393 EVP_PKEY_free(pkey); 394 BIO_free_all(out); 395 BIO_free(in); 396 if (passin) 397 OPENSSL_free(passin); 398 if (passout) 399 OPENSSL_free(passout); 400 401 return ret; 402 } 403