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 <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         }