pkcs8.c revision 312826
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 69int MAIN(int, char **); 70 71int 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 char *engine = NULL; 91 92 if (bio_err == NULL) 93 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 if (!strcmp(*args, "-v2")) { 106 if (args[1]) { 107 args++; 108 cipher = EVP_get_cipherbyname(*args); 109 if (!cipher) { 110 BIO_printf(bio_err, "Unknown cipher %s\n", *args); 111 badarg = 1; 112 } 113 } else 114 badarg = 1; 115 } else if (!strcmp(*args, "-v1")) { 116 if (args[1]) { 117 args++; 118 pbe_nid = OBJ_txt2nid(*args); 119 if (pbe_nid == NID_undef) { 120 BIO_printf(bio_err, "Unknown PBE algorithm %s\n", *args); 121 badarg = 1; 122 } 123 } else 124 badarg = 1; 125 } else if (!strcmp(*args, "-v2prf")) { 126 if (args[1]) { 127 args++; 128 pbe_nid = OBJ_txt2nid(*args); 129 if (!EVP_PBE_find(EVP_PBE_TYPE_PRF, pbe_nid, NULL, NULL, 0)) { 130 BIO_printf(bio_err, "Unknown PRF algorithm %s\n", *args); 131 badarg = 1; 132 } 133 } else 134 badarg = 1; 135 } else if (!strcmp(*args, "-inform")) { 136 if (args[1]) { 137 args++; 138 informat = str2fmt(*args); 139 } else 140 badarg = 1; 141 } else if (!strcmp(*args, "-outform")) { 142 if (args[1]) { 143 args++; 144 outformat = str2fmt(*args); 145 } else 146 badarg = 1; 147 } else if (!strcmp(*args, "-topk8")) 148 topk8 = 1; 149 else if (!strcmp(*args, "-noiter")) 150 iter = 1; 151 else if (!strcmp(*args, "-nocrypt")) 152 nocrypt = 1; 153 else if (!strcmp(*args, "-nooct")) 154 p8_broken = PKCS8_NO_OCTET; 155 else if (!strcmp(*args, "-nsdb")) 156 p8_broken = PKCS8_NS_DB; 157 else if (!strcmp(*args, "-embed")) 158 p8_broken = PKCS8_EMBEDDED_PARAM; 159 else if (!strcmp(*args, "-passin")) { 160 if (!args[1]) 161 goto bad; 162 passargin = *(++args); 163 } else if (!strcmp(*args, "-passout")) { 164 if (!args[1]) 165 goto bad; 166 passargout = *(++args); 167 } 168#ifndef OPENSSL_NO_ENGINE 169 else if (strcmp(*args, "-engine") == 0) { 170 if (!args[1]) 171 goto bad; 172 engine = *(++args); 173 } 174#endif 175 else if (!strcmp(*args, "-in")) { 176 if (args[1]) { 177 args++; 178 infile = *args; 179 } else 180 badarg = 1; 181 } else if (!strcmp(*args, "-out")) { 182 if (args[1]) { 183 args++; 184 outfile = *args; 185 } else 186 badarg = 1; 187 } else 188 badarg = 1; 189 args++; 190 } 191 192 if (badarg) { 193 bad: 194 BIO_printf(bio_err, "Usage pkcs8 [options]\n"); 195 BIO_printf(bio_err, "where options are\n"); 196 BIO_printf(bio_err, "-in file input file\n"); 197 BIO_printf(bio_err, "-inform X input format (DER or PEM)\n"); 198 BIO_printf(bio_err, 199 "-passin arg input file pass phrase source\n"); 200 BIO_printf(bio_err, "-outform X output format (DER or PEM)\n"); 201 BIO_printf(bio_err, "-out file output file\n"); 202 BIO_printf(bio_err, 203 "-passout arg output file pass phrase source\n"); 204 BIO_printf(bio_err, "-topk8 output PKCS8 file\n"); 205 BIO_printf(bio_err, 206 "-nooct use (nonstandard) no octet format\n"); 207 BIO_printf(bio_err, 208 "-embed use (nonstandard) embedded DSA parameters format\n"); 209 BIO_printf(bio_err, 210 "-nsdb use (nonstandard) DSA Netscape DB format\n"); 211 BIO_printf(bio_err, "-noiter use 1 as iteration count\n"); 212 BIO_printf(bio_err, 213 "-nocrypt use or expect unencrypted private key\n"); 214 BIO_printf(bio_err, 215 "-v2 alg use PKCS#5 v2.0 and cipher \"alg\"\n"); 216 BIO_printf(bio_err, 217 "-v1 obj use PKCS#5 v1.5 and cipher \"alg\"\n"); 218#ifndef OPENSSL_NO_ENGINE 219 BIO_printf(bio_err, 220 " -engine e use engine e, possibly a hardware device.\n"); 221#endif 222 goto end; 223 } 224 e = setup_engine(bio_err, engine, 0); 225 226 if (!app_passwd(bio_err, passargin, passargout, &passin, &passout)) { 227 BIO_printf(bio_err, "Error getting passwords\n"); 228 goto end; 229 } 230 231 if ((pbe_nid == -1) && !cipher) 232 pbe_nid = NID_pbeWithMD5AndDES_CBC; 233 234 if (infile) { 235 if (!(in = BIO_new_file(infile, "rb"))) { 236 BIO_printf(bio_err, "Can't open input file %s\n", infile); 237 goto end; 238 } 239 } else 240 in = BIO_new_fp(stdin, BIO_NOCLOSE); 241 242 if (outfile) { 243 if (!(out = BIO_new_file(outfile, "wb"))) { 244 BIO_printf(bio_err, "Can't open output file %s\n", outfile); 245 goto end; 246 } 247 } else { 248 out = BIO_new_fp(stdout, BIO_NOCLOSE); 249#ifdef OPENSSL_SYS_VMS 250 { 251 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); 252 out = BIO_push(tmpbio, out); 253 } 254#endif 255 } 256 if (topk8) { 257 pkey = load_key(bio_err, infile, informat, 1, passin, e, "key"); 258 if (!pkey) 259 goto end; 260 if (!(p8inf = EVP_PKEY2PKCS8_broken(pkey, p8_broken))) { 261 BIO_printf(bio_err, "Error converting key\n"); 262 ERR_print_errors(bio_err); 263 goto end; 264 } 265 if (nocrypt) { 266 if (outformat == FORMAT_PEM) 267 PEM_write_bio_PKCS8_PRIV_KEY_INFO(out, p8inf); 268 else if (outformat == FORMAT_ASN1) 269 i2d_PKCS8_PRIV_KEY_INFO_bio(out, p8inf); 270 else { 271 BIO_printf(bio_err, "Bad format specified for key\n"); 272 goto end; 273 } 274 } else { 275 if (passout) 276 p8pass = passout; 277 else { 278 p8pass = pass; 279 if (EVP_read_pw_string 280 (pass, sizeof pass, "Enter Encryption Password:", 1)) 281 goto end; 282 } 283 app_RAND_load_file(NULL, bio_err, 0); 284 if (!(p8 = PKCS8_encrypt(pbe_nid, cipher, 285 p8pass, strlen(p8pass), 286 NULL, 0, iter, p8inf))) { 287 BIO_printf(bio_err, "Error encrypting key\n"); 288 ERR_print_errors(bio_err); 289 goto end; 290 } 291 app_RAND_write_file(NULL, bio_err); 292 if (outformat == FORMAT_PEM) 293 PEM_write_bio_PKCS8(out, p8); 294 else if (outformat == FORMAT_ASN1) 295 i2d_PKCS8_bio(out, p8); 296 else { 297 BIO_printf(bio_err, "Bad format specified for key\n"); 298 goto end; 299 } 300 } 301 302 ret = 0; 303 goto end; 304 } 305 306 if (nocrypt) { 307 if (informat == FORMAT_PEM) 308 p8inf = PEM_read_bio_PKCS8_PRIV_KEY_INFO(in, NULL, NULL, NULL); 309 else if (informat == FORMAT_ASN1) 310 p8inf = d2i_PKCS8_PRIV_KEY_INFO_bio(in, NULL); 311 else { 312 BIO_printf(bio_err, "Bad format specified for key\n"); 313 goto end; 314 } 315 } else { 316 if (informat == FORMAT_PEM) 317 p8 = PEM_read_bio_PKCS8(in, NULL, NULL, NULL); 318 else if (informat == FORMAT_ASN1) 319 p8 = d2i_PKCS8_bio(in, NULL); 320 else { 321 BIO_printf(bio_err, "Bad format specified for key\n"); 322 goto end; 323 } 324 325 if (!p8) { 326 BIO_printf(bio_err, "Error reading key\n"); 327 ERR_print_errors(bio_err); 328 goto end; 329 } 330 if (passin) 331 p8pass = passin; 332 else { 333 p8pass = pass; 334 EVP_read_pw_string(pass, sizeof pass, "Enter Password:", 0); 335 } 336 p8inf = PKCS8_decrypt(p8, p8pass, strlen(p8pass)); 337 } 338 339 if (!p8inf) { 340 BIO_printf(bio_err, "Error decrypting key\n"); 341 ERR_print_errors(bio_err); 342 goto end; 343 } 344 345 if (!(pkey = EVP_PKCS82PKEY(p8inf))) { 346 BIO_printf(bio_err, "Error converting key\n"); 347 ERR_print_errors(bio_err); 348 goto end; 349 } 350 351 if (p8inf->broken) { 352 BIO_printf(bio_err, "Warning: broken key encoding: "); 353 switch (p8inf->broken) { 354 case PKCS8_NO_OCTET: 355 BIO_printf(bio_err, "No Octet String in PrivateKey\n"); 356 break; 357 358 case PKCS8_EMBEDDED_PARAM: 359 BIO_printf(bio_err, "DSA parameters included in PrivateKey\n"); 360 break; 361 362 case PKCS8_NS_DB: 363 BIO_printf(bio_err, "DSA public key include in PrivateKey\n"); 364 break; 365 366 case PKCS8_NEG_PRIVKEY: 367 BIO_printf(bio_err, "DSA private key value is negative\n"); 368 break; 369 370 default: 371 BIO_printf(bio_err, "Unknown broken type\n"); 372 break; 373 } 374 } 375 376 if (outformat == FORMAT_PEM) 377 PEM_write_bio_PrivateKey(out, pkey, NULL, NULL, 0, NULL, passout); 378 else if (outformat == FORMAT_ASN1) 379 i2d_PrivateKey_bio(out, pkey); 380 else { 381 BIO_printf(bio_err, "Bad format specified for key\n"); 382 goto end; 383 } 384 ret = 0; 385 386 end: 387 X509_SIG_free(p8); 388 PKCS8_PRIV_KEY_INFO_free(p8inf); 389 EVP_PKEY_free(pkey); 390 release_engine(e); 391 BIO_free_all(out); 392 BIO_free(in); 393 if (passin) 394 OPENSSL_free(passin); 395 if (passout) 396 OPENSSL_free(passout); 397 398 return ret; 399} 400