apps/pkcs8.c

   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 <stdlib.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) 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                 {
 107                 if (!strcmp(*args,"-v2"))
 108                         {
 109                         if (args[1])
 110                                 {
 111                                 args++;
 112                                 cipher=EVP_get_cipherbyname(*args);
 113                                 if (!cipher)
 114                                         {
 115                                         BIO_printf(bio_err,
 116                                                  "Unknown cipher %s\n", *args);
 117                                         badarg = 1;
 118                                         }
 119                                 }
 120                         else
 121                                 badarg = 1;
 122                         }
 123                 else if (!strcmp(*args,"-v1"))
 124                         {
 125                         if (args[1])
 126                                 {
 127                                 args++;
 128                                 pbe_nid=OBJ_txt2nid(*args);
 129                                 if (pbe_nid == NID_undef)
 130                                         {
 131                                         BIO_printf(bio_err,
 132                                                  "Unknown PBE algorithm %s\n", *args);
 133                                         badarg = 1;
 134                                         }
 135                                 }
 136                         else
 137                                 badarg = 1;
 138                         }
 139                 else if (!strcmp(*args,"-v2prf"))
 140                         {
 141                         if (args[1])
 142                                 {
 143                                 args++;
 144                                 pbe_nid=OBJ_txt2nid(*args);
 145                                 if (!EVP_PBE_find(EVP_PBE_TYPE_PRF, pbe_nid, NULL, NULL, 0))
 146                                         {
 147                                         BIO_printf(bio_err,
 148                                                  "Unknown PRF algorithm %s\n", *args);
 149                                         badarg = 1;
 150                                         }
 151                                 }
 152                         else
 153                                 badarg = 1;
 154                         }
 155                 else if (!strcmp(*args,"-inform"))
 156                         {
 157                         if (args[1])
 158                                 {
 159                                 args++;
 160                                 informat=str2fmt(*args);
 161                                 }
 162                         else badarg = 1;
 163                         }
 164                 else if (!strcmp(*args,"-outform"))
 165                         {
 166                         if (args[1])
 167                                 {
 168                                 args++;
 169                                 outformat=str2fmt(*args);
 170                                 }
 171                         else badarg = 1;
 172                         }
 173                 else if (!strcmp (*args, "-topk8"))
 174                         topk8 = 1;
 175                 else if (!strcmp (*args, "-noiter"))
 176                         iter = 1;
 177                 else if (!strcmp (*args, "-iter"))
 178                         {
 179                         if (args[1])
 180                                 {
 181                                 iter = atoi(*(++args));
 182                                 if (iter <= 0) badarg = 1;
 183                                 }
 184                         else badarg = 1;
 185                         }
 186                 else if (!strcmp (*args, "-nocrypt"))
 187                         nocrypt = 1;
 188                 else if (!strcmp (*args, "-nooct"))
 189                         p8_broken = PKCS8_NO_OCTET;
 190                 else if (!strcmp (*args, "-nsdb"))
 191                         p8_broken = PKCS8_NS_DB;
 192                 else if (!strcmp (*args, "-embed"))
 193                         p8_broken = PKCS8_EMBEDDED_PARAM;
 194                 else if (!strcmp(*args,"-passin"))
 195                         {
 196                         if (args[1])
 197                                 passargin= *(++args);
 198                         else badarg = 1;
 199                         }
 200                 else if (!strcmp(*args,"-passout"))
 201                         {
 202                         if (args[1])
 203                                 passargout= *(++args);
 204                         else badarg = 1;
 205                         }
 206 #ifndef OPENSSL_NO_ENGINE
 207                 else if (strcmp(*args,"-engine") == 0)
 208                         {
 209                         if (args[1])
 210                                 engine= *(++args);
 211                         else badarg = 1;
 212                         }
 213 #endif
 214                 else if (!strcmp (*args, "-in"))
 215                         {
 216                         if (args[1])
 217                                 {
 218                                 args++;
 219                                 infile = *args;
 220                                 }
 221                         else badarg = 1;
 222                         }
 223                 else if (!strcmp (*args, "-out"))
 224                         {
 225                         if (args[1])
 226                                 {
 227                                 args++;
 228                                 outfile = *args;
 229                                 }
 230                         else badarg = 1;
 231                         }
 232                 else badarg = 1;
 233                 args++;
 234                 }
 235
 236         if (badarg)
 237                 {
 238                 BIO_printf(bio_err, "Usage pkcs8 [options]\n");
 239                 BIO_printf(bio_err, "where options are\n");
 240                 BIO_printf(bio_err, "-in file        input file\n");
 241                 BIO_printf(bio_err, "-inform X       input format (DER or PEM)\n");
 242                 BIO_printf(bio_err, "-passin arg     input file pass phrase source\n");
 243                 BIO_printf(bio_err, "-outform X      output format (DER or PEM)\n");
 244                 BIO_printf(bio_err, "-out file       output file\n");
 245                 BIO_printf(bio_err, "-passout arg    output file pass phrase source\n");
 246                 BIO_printf(bio_err, "-topk8          output PKCS8 file\n");
 247                 BIO_printf(bio_err, "-nooct          use (nonstandard) no octet format\n");
 248                 BIO_printf(bio_err, "-embed          use (nonstandard) embedded DSA parameters format\n");
 249                 BIO_printf(bio_err, "-nsdb           use (nonstandard) DSA Netscape DB format\n");
 250                 BIO_printf(bio_err, "-iter count     use count as iteration count\n");
 251                 BIO_printf(bio_err, "-noiter         use 1 as iteration count\n");
 252                 BIO_printf(bio_err, "-nocrypt        use or expect unencrypted private key\n");
 253                 BIO_printf(bio_err, "-v2 alg         use PKCS#5 v2.0 and cipher \"alg\"\n");
 254                 BIO_printf(bio_err, "-v1 obj         use PKCS#5 v1.5 and cipher \"alg\"\n");
 255 #ifndef OPENSSL_NO_ENGINE
 256                 BIO_printf(bio_err," -engine e       use engine e, possibly a hardware device.\n");
 257 #endif
 258                 goto end;
 259                 }
 260
 261 #ifndef OPENSSL_NO_ENGINE
 262         e = setup_engine(bio_err, engine, 0);
 263 #endif
 264
 265         if (!app_passwd(bio_err, passargin, passargout, &passin, &passout))
 266                 {
 267                 BIO_printf(bio_err, "Error getting passwords\n");
 268                 goto end;
 269                 }
 270
 271         if ((pbe_nid == -1) && !cipher)
 272                 pbe_nid = NID_pbeWithMD5AndDES_CBC;
 273
 274         if (infile)
 275                 {
 276                 if (!(in = BIO_new_file(infile, "rb")))
 277                         {
 278                         BIO_printf(bio_err,
 279                                  "Can't open input file %s\n", infile);
 280                         goto end;
 281                         }
 282                 }
 283         else
 284                 in = BIO_new_fp (stdin, BIO_NOCLOSE);
 285
 286         if (outfile)
 287                 {
 288                 if (!(out = BIO_new_file (outfile, "wb")))
 289                         {
 290                         BIO_printf(bio_err,
 291                                  "Can't open output file %s\n", outfile);
 292                         goto end;
 293                         }
 294                 }
 295         else
 296                 {
 297                 out = BIO_new_fp (stdout, BIO_NOCLOSE);
 298 #ifdef OPENSSL_SYS_VMS
 299                         {
 300                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 301                         out = BIO_push(tmpbio, out);
 302                         }
 303 #endif
 304                 }
 305         if (topk8)
 306                 {
 307                 pkey = load_key(bio_err, infile, informat, 1,
 308                         passin, e, "key");
 309                 if (!pkey)
 310                         goto end;
 311                 if (!(p8inf = EVP_PKEY2PKCS8_broken(pkey, p8_broken)))
 312                         {
 313                         BIO_printf(bio_err, "Error converting key\n");
 314                         ERR_print_errors(bio_err);
 315                         goto end;
 316                         }
 317                 if (nocrypt)
 318                         {
 319                         if (outformat == FORMAT_PEM)
 320                                 PEM_write_bio_PKCS8_PRIV_KEY_INFO(out, p8inf);
 321                         else if (outformat == FORMAT_ASN1)
 322                                 i2d_PKCS8_PRIV_KEY_INFO_bio(out, p8inf);
 323                         else
 324                                 {
 325                                 BIO_printf(bio_err, "Bad format specified for key\n");
 326                                 goto end;
 327                                 }
 328                         }
 329                 else
 330                         {
 331                         if (passout)
 332                                 p8pass = passout;
 333                         else
 334                                 {
 335                                 p8pass = pass;
 336                                 if (EVP_read_pw_string(pass, sizeof pass, "Enter Encryption Password:", 1))
 337                                         goto end;
 338                                 }
 339                         app_RAND_load_file(NULL, bio_err, 0);
 340                         if (!(p8 = PKCS8_encrypt(pbe_nid, cipher,
 341                                         p8pass, strlen(p8pass),
 342                                         NULL, 0, iter, p8inf)))
 343                                 {
 344                                 BIO_printf(bio_err, "Error encrypting key\n");
 345                                 ERR_print_errors(bio_err);
 346                                 goto end;
 347                                 }
 348                         app_RAND_write_file(NULL, bio_err);
 349                         if (outformat == FORMAT_PEM)
 350                                 PEM_write_bio_PKCS8(out, p8);
 351                         else if (outformat == FORMAT_ASN1)
 352                                 i2d_PKCS8_bio(out, p8);
 353                         else
 354                                 {
 355                                 BIO_printf(bio_err, "Bad format specified for key\n");
 356                                 goto end;
 357                                 }
 358                         }
 359
 360                 ret = 0;
 361                 goto end;
 362                 }
 363
 364         if (nocrypt)
 365                 {
 366                 if (informat == FORMAT_PEM)
 367                         p8inf = PEM_read_bio_PKCS8_PRIV_KEY_INFO(in,NULL,NULL, NULL);
 368                 else if (informat == FORMAT_ASN1)
 369                         p8inf = d2i_PKCS8_PRIV_KEY_INFO_bio(in, NULL);
 370                 else
 371                         {
 372                         BIO_printf(bio_err, "Bad format specified for key\n");
 373                         goto end;
 374                         }
 375                 }
 376         else
 377                 {
 378                 if (informat == FORMAT_PEM)
 379                         p8 = PEM_read_bio_PKCS8(in, NULL, NULL, NULL);
 380                 else if (informat == FORMAT_ASN1)
 381                         p8 = d2i_PKCS8_bio(in, NULL);
 382                 else
 383                         {
 384                         BIO_printf(bio_err, "Bad format specified for key\n");
 385                         goto end;
 386                         }
 387
 388                 if (!p8)
 389                         {
 390                         BIO_printf (bio_err, "Error reading key\n");
 391                         ERR_print_errors(bio_err);
 392                         goto end;
 393                         }
 394                 if (passin)
 395                         p8pass = passin;
 396                 else
 397                         {
 398                         p8pass = pass;
 399                         EVP_read_pw_string(pass, sizeof pass, "Enter Password:", 0);
 400                         }
 401                 p8inf = PKCS8_decrypt(p8, p8pass, strlen(p8pass));
 402                 }
 403
 404         if (!p8inf)
 405                 {
 406                 BIO_printf(bio_err, "Error decrypting key\n");
 407                 ERR_print_errors(bio_err);
 408                 goto end;
 409                 }
 410
 411         if (!(pkey = EVP_PKCS82PKEY(p8inf)))
 412                 {
 413                 BIO_printf(bio_err, "Error converting key\n");
 414                 ERR_print_errors(bio_err);
 415                 goto end;
 416                 }
 417
 418         if (p8inf->broken)
 419                 {
 420                 BIO_printf(bio_err, "Warning: broken key encoding: ");
 421                 switch (p8inf->broken)
 422                         {
 423                         case PKCS8_NO_OCTET:
 424                         BIO_printf(bio_err, "No Octet String in PrivateKey\n");
 425                         break;
 426
 427                         case PKCS8_EMBEDDED_PARAM:
 428                         BIO_printf(bio_err, "DSA parameters included in PrivateKey\n");
 429                         break;
 430
 431                         case PKCS8_NS_DB:
 432                         BIO_printf(bio_err, "DSA public key include in PrivateKey\n");
 433                         break;
 434
 435                         case PKCS8_NEG_PRIVKEY:
 436                         BIO_printf(bio_err, "DSA private key value is negative\n");
 437                         break;
 438
 439                         default:
 440                         BIO_printf(bio_err, "Unknown broken type\n");
 441                         break;
 442                 }
 443         }
 444
 445         if (outformat == FORMAT_PEM)
 446                 PEM_write_bio_PrivateKey(out, pkey, NULL, NULL, 0, NULL, passout);
 447         else if (outformat == FORMAT_ASN1)
 448                 i2d_PrivateKey_bio(out, pkey);
 449         else
 450                 {
 451                 BIO_printf(bio_err, "Bad format specified for key\n");
 452                         goto end;
 453                 }
 454         ret = 0;
 455
 456         end:
 457         X509_SIG_free(p8);
 458         PKCS8_PRIV_KEY_INFO_free(p8inf);
 459         EVP_PKEY_free(pkey);
 460         BIO_free_all(out);
 461         BIO_free(in);
 462         if (passin)
 463                 OPENSSL_free(passin);
 464         if (passout)
 465                 OPENSSL_free(passout);
 466
 467         return ret;
 468         }