crypto/openssl/apps/pkcs8.c

   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
  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)
  95         bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
  96
  97     if (!load_config(bio_err, NULL))
  98         goto end;
  99
 100     informat = FORMAT_PEM;
 101     outformat = FORMAT_PEM;
 102
 103     ERR_load_crypto_strings();
 104     OpenSSL_add_all_algorithms();
 105     args = argv + 1;
 106     while (!badarg && *args && *args[0] == '-') {
 107         if (!strcmp(*args, "-v2")) {
 108             if (args[1]) {
 109                 args++;
 110                 cipher = EVP_get_cipherbyname(*args);
 111                 if (!cipher) {
 112                     BIO_printf(bio_err, "Unknown cipher %s\n", *args);
 113                     badarg = 1;
 114                 }
 115             } else
 116                 badarg = 1;
 117         } else if (!strcmp(*args, "-v1")) {
 118             if (args[1]) {
 119                 args++;
 120                 pbe_nid = OBJ_txt2nid(*args);
 121                 if (pbe_nid == NID_undef) {
 122                     BIO_printf(bio_err, "Unknown PBE algorithm %s\n", *args);
 123                     badarg = 1;
 124                 }
 125             } else
 126                 badarg = 1;
 127         } else if (!strcmp(*args, "-v2prf")) {
 128             if (args[1]) {
 129                 args++;
 130                 pbe_nid = OBJ_txt2nid(*args);
 131                 if (!EVP_PBE_find(EVP_PBE_TYPE_PRF, pbe_nid, NULL, NULL, 0)) {
 132                     BIO_printf(bio_err, "Unknown PRF algorithm %s\n", *args);
 133                     badarg = 1;
 134                 }
 135             } else
 136                 badarg = 1;
 137         } else if (!strcmp(*args, "-inform")) {
 138             if (args[1]) {
 139                 args++;
 140                 informat = str2fmt(*args);
 141             } else
 142                 badarg = 1;
 143         } else if (!strcmp(*args, "-outform")) {
 144             if (args[1]) {
 145                 args++;
 146                 outformat = str2fmt(*args);
 147             } else
 148                 badarg = 1;
 149         } else if (!strcmp(*args, "-topk8"))
 150             topk8 = 1;
 151         else if (!strcmp(*args, "-noiter"))
 152             iter = 1;
 153         else if (!strcmp(*args, "-nocrypt"))
 154             nocrypt = 1;
 155         else if (!strcmp(*args, "-nooct"))
 156             p8_broken = PKCS8_NO_OCTET;
 157         else if (!strcmp(*args, "-nsdb"))
 158             p8_broken = PKCS8_NS_DB;
 159         else if (!strcmp(*args, "-embed"))
 160             p8_broken = PKCS8_EMBEDDED_PARAM;
 161         else if (!strcmp(*args, "-passin")) {
 162             if (!args[1])
 163                 goto bad;
 164             passargin = *(++args);
 165         } else if (!strcmp(*args, "-passout")) {
 166             if (!args[1])
 167                 goto bad;
 168             passargout = *(++args);
 169         }
 170 #ifndef OPENSSL_NO_ENGINE
 171         else if (strcmp(*args, "-engine") == 0) {
 172             if (!args[1])
 173                 goto bad;
 174             engine = *(++args);
 175         }
 176 #endif
 177         else if (!strcmp(*args, "-in")) {
 178             if (args[1]) {
 179                 args++;
 180                 infile = *args;
 181             } else
 182                 badarg = 1;
 183         } else if (!strcmp(*args, "-out")) {
 184             if (args[1]) {
 185                 args++;
 186                 outfile = *args;
 187             } else
 188                 badarg = 1;
 189         } else
 190             badarg = 1;
 191         args++;
 192     }
 193
 194     if (badarg) {
 195  bad:
 196         BIO_printf(bio_err, "Usage pkcs8 [options]\n");
 197         BIO_printf(bio_err, "where options are\n");
 198         BIO_printf(bio_err, "-in file        input file\n");
 199         BIO_printf(bio_err, "-inform X       input format (DER or PEM)\n");
 200         BIO_printf(bio_err,
 201                    "-passin arg     input file pass phrase source\n");
 202         BIO_printf(bio_err, "-outform X      output format (DER or PEM)\n");
 203         BIO_printf(bio_err, "-out file       output file\n");
 204         BIO_printf(bio_err,
 205                    "-passout arg    output file pass phrase source\n");
 206         BIO_printf(bio_err, "-topk8          output PKCS8 file\n");
 207         BIO_printf(bio_err,
 208                    "-nooct          use (nonstandard) no octet format\n");
 209         BIO_printf(bio_err,
 210                    "-embed          use (nonstandard) embedded DSA parameters format\n");
 211         BIO_printf(bio_err,
 212                    "-nsdb           use (nonstandard) DSA Netscape DB format\n");
 213         BIO_printf(bio_err, "-noiter         use 1 as iteration count\n");
 214         BIO_printf(bio_err,
 215                    "-nocrypt        use or expect unencrypted private key\n");
 216         BIO_printf(bio_err,
 217                    "-v2 alg         use PKCS#5 v2.0 and cipher \"alg\"\n");
 218         BIO_printf(bio_err,
 219                    "-v1 obj         use PKCS#5 v1.5 and cipher \"alg\"\n");
 220 #ifndef OPENSSL_NO_ENGINE
 221         BIO_printf(bio_err,
 222                    " -engine e       use engine e, possibly a hardware device.\n");
 223 #endif
 224         goto end;
 225     }
 226 #ifndef OPENSSL_NO_ENGINE
 227     e = setup_engine(bio_err, engine, 0);
 228 #endif
 229
 230     if (!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
 231         BIO_printf(bio_err, "Error getting passwords\n");
 232         goto end;
 233     }
 234
 235     if ((pbe_nid == -1) && !cipher)
 236         pbe_nid = NID_pbeWithMD5AndDES_CBC;
 237
 238     if (infile) {
 239         if (!(in = BIO_new_file(infile, "rb"))) {
 240             BIO_printf(bio_err, "Can't open input file %s\n", infile);
 241             goto end;
 242         }
 243     } else
 244         in = BIO_new_fp(stdin, BIO_NOCLOSE);
 245
 246     if (outfile) {
 247         if (!(out = BIO_new_file(outfile, "wb"))) {
 248             BIO_printf(bio_err, "Can't open output file %s\n", outfile);
 249             goto end;
 250         }
 251     } else {
 252         out = BIO_new_fp(stdout, BIO_NOCLOSE);
 253 #ifdef OPENSSL_SYS_VMS
 254         {
 255             BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 256             out = BIO_push(tmpbio, out);
 257         }
 258 #endif
 259     }
 260     if (topk8) {
 261         pkey = load_key(bio_err, infile, informat, 1, passin, e, "key");
 262         if (!pkey)
 263             goto end;
 264         if (!(p8inf = EVP_PKEY2PKCS8_broken(pkey, p8_broken))) {
 265             BIO_printf(bio_err, "Error converting key\n");
 266             ERR_print_errors(bio_err);
 267             goto end;
 268         }
 269         if (nocrypt) {
 270             if (outformat == FORMAT_PEM)
 271                 PEM_write_bio_PKCS8_PRIV_KEY_INFO(out, p8inf);
 272             else if (outformat == FORMAT_ASN1)
 273                 i2d_PKCS8_PRIV_KEY_INFO_bio(out, p8inf);
 274             else {
 275                 BIO_printf(bio_err, "Bad format specified for key\n");
 276                 goto end;
 277             }
 278         } else {
 279             if (passout)
 280                 p8pass = passout;
 281             else {
 282                 p8pass = pass;
 283                 if (EVP_read_pw_string
 284                     (pass, sizeof pass, "Enter Encryption Password:", 1))
 285                     goto end;
 286             }
 287             app_RAND_load_file(NULL, bio_err, 0);
 288             if (!(p8 = PKCS8_encrypt(pbe_nid, cipher,
 289                                      p8pass, strlen(p8pass),
 290                                      NULL, 0, iter, p8inf))) {
 291                 BIO_printf(bio_err, "Error encrypting key\n");
 292                 ERR_print_errors(bio_err);
 293                 goto end;
 294             }
 295             app_RAND_write_file(NULL, bio_err);
 296             if (outformat == FORMAT_PEM)
 297                 PEM_write_bio_PKCS8(out, p8);
 298             else if (outformat == FORMAT_ASN1)
 299                 i2d_PKCS8_bio(out, p8);
 300             else {
 301                 BIO_printf(bio_err, "Bad format specified for key\n");
 302                 goto end;
 303             }
 304         }
 305
 306         ret = 0;
 307         goto end;
 308     }
 309
 310     if (nocrypt) {
 311         if (informat == FORMAT_PEM)
 312             p8inf = PEM_read_bio_PKCS8_PRIV_KEY_INFO(in, NULL, NULL, NULL);
 313         else if (informat == FORMAT_ASN1)
 314             p8inf = d2i_PKCS8_PRIV_KEY_INFO_bio(in, NULL);
 315         else {
 316             BIO_printf(bio_err, "Bad format specified for key\n");
 317             goto end;
 318         }
 319     } else {
 320         if (informat == FORMAT_PEM)
 321             p8 = PEM_read_bio_PKCS8(in, NULL, NULL, NULL);
 322         else if (informat == FORMAT_ASN1)
 323             p8 = d2i_PKCS8_bio(in, NULL);
 324         else {
 325             BIO_printf(bio_err, "Bad format specified for key\n");
 326             goto end;
 327         }
 328
 329         if (!p8) {
 330             BIO_printf(bio_err, "Error reading key\n");
 331             ERR_print_errors(bio_err);
 332             goto end;
 333         }
 334         if (passin)
 335             p8pass = passin;
 336         else {
 337             p8pass = pass;
 338             EVP_read_pw_string(pass, sizeof pass, "Enter Password:", 0);
 339         }
 340         p8inf = PKCS8_decrypt(p8, p8pass, strlen(p8pass));
 341     }
 342
 343     if (!p8inf) {
 344         BIO_printf(bio_err, "Error decrypting key\n");
 345         ERR_print_errors(bio_err);
 346         goto end;
 347     }
 348
 349     if (!(pkey = EVP_PKCS82PKEY(p8inf))) {
 350         BIO_printf(bio_err, "Error converting key\n");
 351         ERR_print_errors(bio_err);
 352         goto end;
 353     }
 354
 355     if (p8inf->broken) {
 356         BIO_printf(bio_err, "Warning: broken key encoding: ");
 357         switch (p8inf->broken) {
 358         case PKCS8_NO_OCTET:
 359             BIO_printf(bio_err, "No Octet String in PrivateKey\n");
 360             break;
 361
 362         case PKCS8_EMBEDDED_PARAM:
 363             BIO_printf(bio_err, "DSA parameters included in PrivateKey\n");
 364             break;
 365
 366         case PKCS8_NS_DB:
 367             BIO_printf(bio_err, "DSA public key include in PrivateKey\n");
 368             break;
 369
 370         case PKCS8_NEG_PRIVKEY:
 371             BIO_printf(bio_err, "DSA private key value is negative\n");
 372             break;
 373
 374         default:
 375             BIO_printf(bio_err, "Unknown broken type\n");
 376             break;
 377         }
 378     }
 379
 380     if (outformat == FORMAT_PEM)
 381         PEM_write_bio_PrivateKey(out, pkey, NULL, NULL, 0, NULL, passout);
 382     else if (outformat == FORMAT_ASN1)
 383         i2d_PrivateKey_bio(out, pkey);
 384     else {
 385         BIO_printf(bio_err, "Bad format specified for key\n");
 386         goto end;
 387     }
 388     ret = 0;
 389
 390  end:
 391     X509_SIG_free(p8);
 392     PKCS8_PRIV_KEY_INFO_free(p8inf);
 393     EVP_PKEY_free(pkey);
 394     BIO_free_all(out);
 395     BIO_free(in);
 396     if (passin)
 397         OPENSSL_free(passin);
 398     if (passout)
 399         OPENSSL_free(passout);
 400
 401     return ret;
 402 }