pkcs8.c revision 296465
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; 85 PKCS8_PRIV_KEY_INFO *p8inf; 86 EVP_PKEY *pkey = NULL; 87 char pass[50], *passin = NULL, *passout = NULL, *p8pass = NULL; 88 int badarg = 0; 89#ifndef OPENSSL_NO_ENGINE 90 char *engine = NULL; 91#endif 92 93 if (bio_err == NULL) 94 bio_err = BIO_new_fp(stderr, BIO_NOCLOSE); 95 96 if (!load_config(bio_err, NULL)) 97 goto end; 98 99 informat = FORMAT_PEM; 100 outformat = FORMAT_PEM; 101 102 ERR_load_crypto_strings(); 103 OpenSSL_add_all_algorithms(); 104 args = argv + 1; 105 while (!badarg && *args && *args[0] == '-') { 106 if (!strcmp(*args, "-v2")) { 107 if (args[1]) { 108 args++; 109 cipher = EVP_get_cipherbyname(*args); 110 if (!cipher) { 111 BIO_printf(bio_err, "Unknown cipher %s\n", *args); 112 badarg = 1; 113 } 114 } else 115 badarg = 1; 116 } else if (!strcmp(*args, "-v1")) { 117 if (args[1]) { 118 args++; 119 pbe_nid = OBJ_txt2nid(*args); 120 if (pbe_nid == NID_undef) { 121 BIO_printf(bio_err, "Unknown PBE algorithm %s\n", *args); 122 badarg = 1; 123 } 124 } else 125 badarg = 1; 126 } else if (!strcmp(*args, "-inform")) { 127 if (args[1]) { 128 args++; 129 informat = str2fmt(*args); 130 } else 131 badarg = 1; 132 } else if (!strcmp(*args, "-outform")) { 133 if (args[1]) { 134 args++; 135 outformat = str2fmt(*args); 136 } else 137 badarg = 1; 138 } else if (!strcmp(*args, "-topk8")) 139 topk8 = 1; 140 else if (!strcmp(*args, "-noiter")) 141 iter = 1; 142 else if (!strcmp(*args, "-nocrypt")) 143 nocrypt = 1; 144 else if (!strcmp(*args, "-nooct")) 145 p8_broken = PKCS8_NO_OCTET; 146 else if (!strcmp(*args, "-nsdb")) 147 p8_broken = PKCS8_NS_DB; 148 else if (!strcmp(*args, "-embed")) 149 p8_broken = PKCS8_EMBEDDED_PARAM; 150 else if (!strcmp(*args, "-passin")) { 151 if (!args[1]) 152 goto bad; 153 passargin = *(++args); 154 } else if (!strcmp(*args, "-passout")) { 155 if (!args[1]) 156 goto bad; 157 passargout = *(++args); 158 } 159#ifndef OPENSSL_NO_ENGINE 160 else if (strcmp(*args, "-engine") == 0) { 161 if (!args[1]) 162 goto bad; 163 engine = *(++args); 164 } 165#endif 166 else if (!strcmp(*args, "-in")) { 167 if (args[1]) { 168 args++; 169 infile = *args; 170 } else 171 badarg = 1; 172 } else if (!strcmp(*args, "-out")) { 173 if (args[1]) { 174 args++; 175 outfile = *args; 176 } else 177 badarg = 1; 178 } else 179 badarg = 1; 180 args++; 181 } 182 183 if (badarg) { 184 bad: 185 BIO_printf(bio_err, "Usage pkcs8 [options]\n"); 186 BIO_printf(bio_err, "where options are\n"); 187 BIO_printf(bio_err, "-in file input file\n"); 188 BIO_printf(bio_err, "-inform X input format (DER or PEM)\n"); 189 BIO_printf(bio_err, 190 "-passin arg input file pass phrase source\n"); 191 BIO_printf(bio_err, "-outform X output format (DER or PEM)\n"); 192 BIO_printf(bio_err, "-out file output file\n"); 193 BIO_printf(bio_err, 194 "-passout arg output file pass phrase source\n"); 195 BIO_printf(bio_err, "-topk8 output PKCS8 file\n"); 196 BIO_printf(bio_err, 197 "-nooct use (nonstandard) no octet format\n"); 198 BIO_printf(bio_err, 199 "-embed use (nonstandard) embedded DSA parameters format\n"); 200 BIO_printf(bio_err, 201 "-nsdb use (nonstandard) DSA Netscape DB format\n"); 202 BIO_printf(bio_err, "-noiter use 1 as iteration count\n"); 203 BIO_printf(bio_err, 204 "-nocrypt use or expect unencrypted private key\n"); 205 BIO_printf(bio_err, 206 "-v2 alg use PKCS#5 v2.0 and cipher \"alg\"\n"); 207 BIO_printf(bio_err, 208 "-v1 obj use PKCS#5 v1.5 and cipher \"alg\"\n"); 209#ifndef OPENSSL_NO_ENGINE 210 BIO_printf(bio_err, 211 " -engine e use engine e, possibly a hardware device.\n"); 212#endif 213 return 1; 214 } 215#ifndef OPENSSL_NO_ENGINE 216 e = setup_engine(bio_err, engine, 0); 217#endif 218 219 if (!app_passwd(bio_err, passargin, passargout, &passin, &passout)) { 220 BIO_printf(bio_err, "Error getting passwords\n"); 221 return 1; 222 } 223 224 if ((pbe_nid == -1) && !cipher) 225 pbe_nid = NID_pbeWithMD5AndDES_CBC; 226 227 if (infile) { 228 if (!(in = BIO_new_file(infile, "rb"))) { 229 BIO_printf(bio_err, "Can't open input file %s\n", infile); 230 return (1); 231 } 232 } else 233 in = BIO_new_fp(stdin, BIO_NOCLOSE); 234 235 if (outfile) { 236 if (!(out = BIO_new_file(outfile, "wb"))) { 237 BIO_printf(bio_err, "Can't open output file %s\n", outfile); 238 return (1); 239 } 240 } else { 241 out = BIO_new_fp(stdout, BIO_NOCLOSE); 242#ifdef OPENSSL_SYS_VMS 243 { 244 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); 245 out = BIO_push(tmpbio, out); 246 } 247#endif 248 } 249 if (topk8) { 250 BIO_free(in); /* Not needed in this section */ 251 pkey = load_key(bio_err, infile, informat, 1, passin, e, "key"); 252 if (!pkey) { 253 BIO_free_all(out); 254 return 1; 255 } 256 if (!(p8inf = EVP_PKEY2PKCS8_broken(pkey, p8_broken))) { 257 BIO_printf(bio_err, "Error converting key\n"); 258 ERR_print_errors(bio_err); 259 EVP_PKEY_free(pkey); 260 BIO_free_all(out); 261 return 1; 262 } 263 if (nocrypt) { 264 if (outformat == FORMAT_PEM) 265 PEM_write_bio_PKCS8_PRIV_KEY_INFO(out, p8inf); 266 else if (outformat == FORMAT_ASN1) 267 i2d_PKCS8_PRIV_KEY_INFO_bio(out, p8inf); 268 else { 269 BIO_printf(bio_err, "Bad format specified for key\n"); 270 PKCS8_PRIV_KEY_INFO_free(p8inf); 271 EVP_PKEY_free(pkey); 272 BIO_free_all(out); 273 return (1); 274 } 275 } else { 276 if (passout) 277 p8pass = passout; 278 else { 279 p8pass = pass; 280 if (EVP_read_pw_string 281 (pass, sizeof pass, "Enter Encryption Password:", 1)) { 282 PKCS8_PRIV_KEY_INFO_free(p8inf); 283 EVP_PKEY_free(pkey); 284 BIO_free_all(out); 285 return (1); 286 } 287 } 288 app_RAND_load_file(NULL, bio_err, 0); 289 if (!(p8 = PKCS8_encrypt(pbe_nid, cipher, 290 p8pass, strlen(p8pass), 291 NULL, 0, iter, p8inf))) { 292 BIO_printf(bio_err, "Error encrypting key\n"); 293 ERR_print_errors(bio_err); 294 PKCS8_PRIV_KEY_INFO_free(p8inf); 295 EVP_PKEY_free(pkey); 296 BIO_free_all(out); 297 return (1); 298 } 299 app_RAND_write_file(NULL, bio_err); 300 if (outformat == FORMAT_PEM) 301 PEM_write_bio_PKCS8(out, p8); 302 else if (outformat == FORMAT_ASN1) 303 i2d_PKCS8_bio(out, p8); 304 else { 305 BIO_printf(bio_err, "Bad format specified for key\n"); 306 PKCS8_PRIV_KEY_INFO_free(p8inf); 307 EVP_PKEY_free(pkey); 308 BIO_free_all(out); 309 return (1); 310 } 311 X509_SIG_free(p8); 312 } 313 314 PKCS8_PRIV_KEY_INFO_free(p8inf); 315 EVP_PKEY_free(pkey); 316 BIO_free_all(out); 317 if (passin) 318 OPENSSL_free(passin); 319 if (passout) 320 OPENSSL_free(passout); 321 return (0); 322 } 323 324 if (nocrypt) { 325 if (informat == FORMAT_PEM) 326 p8inf = PEM_read_bio_PKCS8_PRIV_KEY_INFO(in, NULL, NULL, NULL); 327 else if (informat == FORMAT_ASN1) 328 p8inf = d2i_PKCS8_PRIV_KEY_INFO_bio(in, NULL); 329 else { 330 BIO_printf(bio_err, "Bad format specified for key\n"); 331 return (1); 332 } 333 } else { 334 if (informat == FORMAT_PEM) 335 p8 = PEM_read_bio_PKCS8(in, NULL, NULL, NULL); 336 else if (informat == FORMAT_ASN1) 337 p8 = d2i_PKCS8_bio(in, NULL); 338 else { 339 BIO_printf(bio_err, "Bad format specified for key\n"); 340 return (1); 341 } 342 343 if (!p8) { 344 BIO_printf(bio_err, "Error reading key\n"); 345 ERR_print_errors(bio_err); 346 return (1); 347 } 348 if (passin) 349 p8pass = passin; 350 else { 351 p8pass = pass; 352 EVP_read_pw_string(pass, sizeof pass, "Enter Password:", 0); 353 } 354 p8inf = PKCS8_decrypt(p8, p8pass, strlen(p8pass)); 355 X509_SIG_free(p8); 356 } 357 358 if (!p8inf) { 359 BIO_printf(bio_err, "Error decrypting key\n"); 360 ERR_print_errors(bio_err); 361 return (1); 362 } 363 364 if (!(pkey = EVP_PKCS82PKEY(p8inf))) { 365 BIO_printf(bio_err, "Error converting key\n"); 366 ERR_print_errors(bio_err); 367 return (1); 368 } 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: 378 BIO_printf(bio_err, "DSA parameters included in PrivateKey\n"); 379 break; 380 381 case PKCS8_NS_DB: 382 BIO_printf(bio_err, "DSA public key include in PrivateKey\n"); 383 break; 384 385 default: 386 BIO_printf(bio_err, "Unknown broken type\n"); 387 break; 388 } 389 } 390 391 PKCS8_PRIV_KEY_INFO_free(p8inf); 392 if (outformat == FORMAT_PEM) 393 PEM_write_bio_PrivateKey(out, pkey, NULL, NULL, 0, NULL, passout); 394 else if (outformat == FORMAT_ASN1) 395 i2d_PrivateKey_bio(out, pkey); 396 else { 397 BIO_printf(bio_err, "Bad format specified for key\n"); 398 return (1); 399 } 400 401 end: 402 EVP_PKEY_free(pkey); 403 BIO_free_all(out); 404 BIO_free(in); 405 if (passin) 406 OPENSSL_free(passin); 407 if (passout) 408 OPENSSL_free(passout); 409 410 return (0); 411} 412