apps/pkcs8.c

   1 /* pkcs8.c */
   2 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) 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;
  84         PKCS8_PRIV_KEY_INFO *p8inf;
  85         EVP_PKEY *pkey=NULL;
  86         char pass[50], *passin = NULL, *passout = NULL, *p8pass = NULL;
  87         int badarg = 0;
  88 #ifndef OPENSSL_NO_ENGINE
  89         char *engine=NULL;
  90 #endif
  91
  92         if (bio_err == NULL) bio_err = BIO_new_fp (stderr, BIO_NOCLOSE);
  93
  94         if (!load_config(bio_err, NULL))
  95                 goto end;
  96
  97         informat=FORMAT_PEM;
  98         outformat=FORMAT_PEM;
  99
 100         ERR_load_crypto_strings();
 101         OpenSSL_add_all_algorithms();
 102         args = argv + 1;
 103         while (!badarg && *args && *args[0] == '-')
 104                 {
 105                 if (!strcmp(*args,"-v2"))
 106                         {
 107                         if (args[1])
 108                                 {
 109                                 args++;
 110                                 cipher=EVP_get_cipherbyname(*args);
 111                                 if (!cipher)
 112                                         {
 113                                         BIO_printf(bio_err,
 114                                                  "Unknown cipher %s\n", *args);
 115                                         badarg = 1;
 116                                         }
 117                                 }
 118                         else
 119                                 badarg = 1;
 120                         }
 121                 else if (!strcmp(*args,"-v1"))
 122                         {
 123                         if (args[1])
 124                                 {
 125                                 args++;
 126                                 pbe_nid=OBJ_txt2nid(*args);
 127                                 if (pbe_nid == NID_undef)
 128                                         {
 129                                         BIO_printf(bio_err,
 130                                                  "Unknown PBE algorithm %s\n", *args);
 131                                         badarg = 1;
 132                                         }
 133                                 }
 134                         else
 135                                 badarg = 1;
 136                         }
 137                 else if (!strcmp(*args,"-inform"))
 138                         {
 139                         if (args[1])
 140                                 {
 141                                 args++;
 142                                 informat=str2fmt(*args);
 143                                 }
 144                         else badarg = 1;
 145                         }
 146                 else if (!strcmp(*args,"-outform"))
 147                         {
 148                         if (args[1])
 149                                 {
 150                                 args++;
 151                                 outformat=str2fmt(*args);
 152                                 }
 153                         else badarg = 1;
 154                         }
 155                 else if (!strcmp (*args, "-topk8"))
 156                         topk8 = 1;
 157                 else if (!strcmp (*args, "-noiter"))
 158                         iter = 1;
 159                 else if (!strcmp (*args, "-nocrypt"))
 160                         nocrypt = 1;
 161                 else if (!strcmp (*args, "-nooct"))
 162                         p8_broken = PKCS8_NO_OCTET;
 163                 else if (!strcmp (*args, "-nsdb"))
 164                         p8_broken = PKCS8_NS_DB;
 165                 else if (!strcmp (*args, "-embed"))
 166                         p8_broken = PKCS8_EMBEDDED_PARAM;
 167                 else if (!strcmp(*args,"-passin"))
 168                         {
 169                         if (!args[1]) goto bad;
 170                         passargin= *(++args);
 171                         }
 172                 else if (!strcmp(*args,"-passout"))
 173                         {
 174                         if (!args[1]) goto bad;
 175                         passargout= *(++args);
 176                         }
 177 #ifndef OPENSSL_NO_ENGINE
 178                 else if (strcmp(*args,"-engine") == 0)
 179                         {
 180                         if (!args[1]) goto bad;
 181                         engine= *(++args);
 182                         }
 183 #endif
 184                 else if (!strcmp (*args, "-in"))
 185                         {
 186                         if (args[1])
 187                                 {
 188                                 args++;
 189                                 infile = *args;
 190                                 }
 191                         else badarg = 1;
 192                         }
 193                 else if (!strcmp (*args, "-out"))
 194                         {
 195                         if (args[1])
 196                                 {
 197                                 args++;
 198                                 outfile = *args;
 199                                 }
 200                         else badarg = 1;
 201                         }
 202                 else badarg = 1;
 203                 args++;
 204                 }
 205
 206         if (badarg)
 207                 {
 208                 bad:
 209                 BIO_printf(bio_err, "Usage pkcs8 [options]\n");
 210                 BIO_printf(bio_err, "where options are\n");
 211                 BIO_printf(bio_err, "-in file        input file\n");
 212                 BIO_printf(bio_err, "-inform X       input format (DER or PEM)\n");
 213                 BIO_printf(bio_err, "-passin arg     input file pass phrase source\n");
 214                 BIO_printf(bio_err, "-outform X      output format (DER or PEM)\n");
 215                 BIO_printf(bio_err, "-out file       output file\n");
 216                 BIO_printf(bio_err, "-passout arg    output file pass phrase source\n");
 217                 BIO_printf(bio_err, "-topk8          output PKCS8 file\n");
 218                 BIO_printf(bio_err, "-nooct          use (nonstandard) no octet format\n");
 219                 BIO_printf(bio_err, "-embed          use (nonstandard) embedded DSA parameters format\n");
 220                 BIO_printf(bio_err, "-nsdb           use (nonstandard) DSA Netscape DB format\n");
 221                 BIO_printf(bio_err, "-noiter         use 1 as iteration count\n");
 222                 BIO_printf(bio_err, "-nocrypt        use or expect unencrypted private key\n");
 223                 BIO_printf(bio_err, "-v2 alg         use PKCS#5 v2.0 and cipher \"alg\"\n");
 224                 BIO_printf(bio_err, "-v1 obj         use PKCS#5 v1.5 and cipher \"alg\"\n");
 225 #ifndef OPENSSL_NO_ENGINE
 226                 BIO_printf(bio_err," -engine e       use engine e, possibly a hardware device.\n");
 227 #endif
 228                 return 1;
 229                 }
 230
 231 #ifndef OPENSSL_NO_ENGINE
 232         e = setup_engine(bio_err, engine, 0);
 233 #endif
 234
 235         if (!app_passwd(bio_err, passargin, passargout, &passin, &passout))
 236                 {
 237                 BIO_printf(bio_err, "Error getting passwords\n");
 238                 return 1;
 239                 }
 240
 241         if ((pbe_nid == -1) && !cipher)
 242                 pbe_nid = NID_pbeWithMD5AndDES_CBC;
 243
 244         if (infile)
 245                 {
 246                 if (!(in = BIO_new_file(infile, "rb")))
 247                         {
 248                         BIO_printf(bio_err,
 249                                  "Can't open input file %s\n", infile);
 250                         return (1);
 251                         }
 252                 }
 253         else
 254                 in = BIO_new_fp (stdin, BIO_NOCLOSE);
 255
 256         if (outfile)
 257                 {
 258                 if (!(out = BIO_new_file (outfile, "wb")))
 259                         {
 260                         BIO_printf(bio_err,
 261                                  "Can't open output file %s\n", outfile);
 262                         return (1);
 263                         }
 264                 }
 265         else
 266                 {
 267                 out = BIO_new_fp (stdout, BIO_NOCLOSE);
 268 #ifdef OPENSSL_SYS_VMS
 269                         {
 270                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 271                         out = BIO_push(tmpbio, out);
 272                         }
 273 #endif
 274                 }
 275         if (topk8)
 276                 {
 277                 BIO_free(in); /* Not needed in this section */
 278                 pkey = load_key(bio_err, infile, informat, 1,
 279                         passin, e, "key");
 280                 if (!pkey)
 281                         {
 282                         BIO_free_all(out);
 283                         return 1;
 284                         }
 285                 if (!(p8inf = EVP_PKEY2PKCS8_broken(pkey, p8_broken)))
 286                         {
 287                         BIO_printf(bio_err, "Error converting key\n");
 288                         ERR_print_errors(bio_err);
 289                         EVP_PKEY_free(pkey);
 290                         BIO_free_all(out);
 291                         return 1;
 292                         }
 293                 if (nocrypt)
 294                         {
 295                         if (outformat == FORMAT_PEM)
 296                                 PEM_write_bio_PKCS8_PRIV_KEY_INFO(out, p8inf);
 297                         else if (outformat == FORMAT_ASN1)
 298                                 i2d_PKCS8_PRIV_KEY_INFO_bio(out, p8inf);
 299                         else
 300                                 {
 301                                 BIO_printf(bio_err, "Bad format specified for key\n");
 302                                 PKCS8_PRIV_KEY_INFO_free(p8inf);
 303                                 EVP_PKEY_free(pkey);
 304                                 BIO_free_all(out);
 305                                 return (1);
 306                                 }
 307                         }
 308                 else
 309                         {
 310                         if (passout)
 311                                 p8pass = passout;
 312                         else
 313                                 {
 314                                 p8pass = pass;
 315                                 if (EVP_read_pw_string(pass, sizeof pass, "Enter Encryption Password:", 1))
 316                                         {
 317                                         PKCS8_PRIV_KEY_INFO_free(p8inf);
 318                                         EVP_PKEY_free(pkey);
 319                                         BIO_free_all(out);
 320                                         return (1);
 321                                         }
 322                                 }
 323                         app_RAND_load_file(NULL, bio_err, 0);
 324                         if (!(p8 = PKCS8_encrypt(pbe_nid, cipher,
 325                                         p8pass, strlen(p8pass),
 326                                         NULL, 0, iter, p8inf)))
 327                                 {
 328                                 BIO_printf(bio_err, "Error encrypting key\n");
 329                                 ERR_print_errors(bio_err);
 330                                 PKCS8_PRIV_KEY_INFO_free(p8inf);
 331                                 EVP_PKEY_free(pkey);
 332                                 BIO_free_all(out);
 333                                 return (1);
 334                                 }
 335                         app_RAND_write_file(NULL, bio_err);
 336                         if (outformat == FORMAT_PEM)
 337                                 PEM_write_bio_PKCS8(out, p8);
 338                         else if (outformat == FORMAT_ASN1)
 339                                 i2d_PKCS8_bio(out, p8);
 340                         else
 341                                 {
 342                                 BIO_printf(bio_err, "Bad format specified for key\n");
 343                                 PKCS8_PRIV_KEY_INFO_free(p8inf);
 344                                 EVP_PKEY_free(pkey);
 345                                 BIO_free_all(out);
 346                                 return (1);
 347                                 }
 348                         X509_SIG_free(p8);
 349                         }
 350
 351                 PKCS8_PRIV_KEY_INFO_free (p8inf);
 352                 EVP_PKEY_free(pkey);
 353                 BIO_free_all(out);
 354                 if (passin)
 355                         OPENSSL_free(passin);
 356                 if (passout)
 357                         OPENSSL_free(passout);
 358                 return (0);
 359                 }
 360
 361         if (nocrypt)
 362                 {
 363                 if (informat == FORMAT_PEM)
 364                         p8inf = PEM_read_bio_PKCS8_PRIV_KEY_INFO(in,NULL,NULL, NULL);
 365                 else if (informat == FORMAT_ASN1)
 366                         p8inf = d2i_PKCS8_PRIV_KEY_INFO_bio(in, NULL);
 367                 else
 368                         {
 369                         BIO_printf(bio_err, "Bad format specified for key\n");
 370                         return (1);
 371                         }
 372                 }
 373         else
 374                 {
 375                 if (informat == FORMAT_PEM)
 376                         p8 = PEM_read_bio_PKCS8(in, NULL, NULL, NULL);
 377                 else if (informat == FORMAT_ASN1)
 378                         p8 = d2i_PKCS8_bio(in, NULL);
 379                 else
 380                         {
 381                         BIO_printf(bio_err, "Bad format specified for key\n");
 382                         return (1);
 383                         }
 384
 385                 if (!p8)
 386                         {
 387                         BIO_printf (bio_err, "Error reading key\n");
 388                         ERR_print_errors(bio_err);
 389                         return (1);
 390                         }
 391                 if (passin)
 392                         p8pass = passin;
 393                 else
 394                         {
 395                         p8pass = pass;
 396                         EVP_read_pw_string(pass, sizeof pass, "Enter Password:", 0);
 397                         }
 398                 p8inf = PKCS8_decrypt(p8, p8pass, strlen(p8pass));
 399                 X509_SIG_free(p8);
 400                 }
 401
 402         if (!p8inf)
 403                 {
 404                 BIO_printf(bio_err, "Error decrypting key\n");
 405                 ERR_print_errors(bio_err);
 406                 return (1);
 407                 }
 408
 409         if (!(pkey = EVP_PKCS82PKEY(p8inf)))
 410                 {
 411                 BIO_printf(bio_err, "Error converting key\n");
 412                 ERR_print_errors(bio_err);
 413                 return (1);
 414                 }
 415
 416         if (p8inf->broken)
 417                 {
 418                 BIO_printf(bio_err, "Warning: broken key encoding: ");
 419                 switch (p8inf->broken)
 420                         {
 421                         case PKCS8_NO_OCTET:
 422                         BIO_printf(bio_err, "No Octet String in PrivateKey\n");
 423                         break;
 424
 425                         case PKCS8_EMBEDDED_PARAM:
 426                         BIO_printf(bio_err, "DSA parameters included in PrivateKey\n");
 427                         break;
 428
 429                         case PKCS8_NS_DB:
 430                         BIO_printf(bio_err, "DSA public key include in PrivateKey\n");
 431                         break;
 432
 433                         default:
 434                         BIO_printf(bio_err, "Unknown broken type\n");
 435                         break;
 436                 }
 437         }
 438
 439         PKCS8_PRIV_KEY_INFO_free(p8inf);
 440         if (outformat == FORMAT_PEM)
 441                 PEM_write_bio_PrivateKey(out, pkey, NULL, NULL, 0, NULL, passout);
 442         else if (outformat == FORMAT_ASN1)
 443                 i2d_PrivateKey_bio(out, pkey);
 444         else
 445                 {
 446                 BIO_printf(bio_err, "Bad format specified for key\n");
 447                         return (1);
 448                 }
 449
 450         end:
 451         EVP_PKEY_free(pkey);
 452         BIO_free_all(out);
 453         BIO_free(in);
 454         if (passin)
 455                 OPENSSL_free(passin);
 456         if (passout)
 457                 OPENSSL_free(passout);
 458
 459         return (0);
 460         }