apps/pkcs8.c

   1 /* pkcs8.c */
   2 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
   3  * project 1999.
   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         char *engine=NULL;
  89
  90         if (bio_err == NULL) bio_err = BIO_new_fp (stderr, BIO_NOCLOSE);
  91
  92         if (!load_config(bio_err, NULL))
  93                 goto end;
  94
  95         informat=FORMAT_PEM;
  96         outformat=FORMAT_PEM;
  97
  98         ERR_load_crypto_strings();
  99         OpenSSL_add_all_algorithms();
 100         args = argv + 1;
 101         while (!badarg && *args && *args[0] == '-') {
 102                 if (!strcmp(*args,"-v2")) {
 103                         if (args[1]) {
 104                                 args++;
 105                                 cipher=EVP_get_cipherbyname(*args);
 106                                 if(!cipher) {
 107                                         BIO_printf(bio_err,
 108                                                  "Unknown cipher %s\n", *args);
 109                                         badarg = 1;
 110                                 }
 111                         } else badarg = 1;
 112                 } else if (!strcmp(*args,"-v1")) {
 113                         if (args[1]) {
 114                                 args++;
 115                                 pbe_nid=OBJ_txt2nid(*args);
 116                                 if(pbe_nid == NID_undef) {
 117                                         BIO_printf(bio_err,
 118                                                  "Unknown PBE algorithm %s\n", *args);
 119                                         badarg = 1;
 120                                 }
 121                         } else badarg = 1;
 122                 } else if (!strcmp(*args,"-inform")) {
 123                         if (args[1]) {
 124                                 args++;
 125                                 informat=str2fmt(*args);
 126                         } else badarg = 1;
 127                 } else if (!strcmp(*args,"-outform")) {
 128                         if (args[1]) {
 129                                 args++;
 130                                 outformat=str2fmt(*args);
 131                         } else badarg = 1;
 132                 } else if (!strcmp (*args, "-topk8")) topk8 = 1;
 133                 else if (!strcmp (*args, "-noiter")) iter = 1;
 134                 else if (!strcmp (*args, "-nocrypt")) nocrypt = 1;
 135                 else if (!strcmp (*args, "-nooct")) p8_broken = PKCS8_NO_OCTET;
 136                 else if (!strcmp (*args, "-nsdb")) p8_broken = PKCS8_NS_DB;
 137                 else if (!strcmp (*args, "-embed")) p8_broken = PKCS8_EMBEDDED_PARAM;
 138                 else if (!strcmp(*args,"-passin"))
 139                         {
 140                         if (!args[1]) goto bad;
 141                         passargin= *(++args);
 142                         }
 143                 else if (!strcmp(*args,"-passout"))
 144                         {
 145                         if (!args[1]) goto bad;
 146                         passargout= *(++args);
 147                         }
 148                 else if (strcmp(*args,"-engine") == 0)
 149                         {
 150                         if (!args[1]) goto bad;
 151                         engine= *(++args);
 152                         }
 153                 else if (!strcmp (*args, "-in")) {
 154                         if (args[1]) {
 155                                 args++;
 156                                 infile = *args;
 157                         } else badarg = 1;
 158                 } else if (!strcmp (*args, "-out")) {
 159                         if (args[1]) {
 160                                 args++;
 161                                 outfile = *args;
 162                         } else badarg = 1;
 163                 } else badarg = 1;
 164                 args++;
 165         }
 166
 167         if (badarg) {
 168                 bad:
 169                 BIO_printf(bio_err, "Usage pkcs8 [options]\n");
 170                 BIO_printf(bio_err, "where options are\n");
 171                 BIO_printf(bio_err, "-in file        input file\n");
 172                 BIO_printf(bio_err, "-inform X       input format (DER or PEM)\n");
 173                 BIO_printf(bio_err, "-passin arg     input file pass phrase source\n");
 174                 BIO_printf(bio_err, "-outform X      output format (DER or PEM)\n");
 175                 BIO_printf(bio_err, "-out file       output file\n");
 176                 BIO_printf(bio_err, "-passout arg    output file pass phrase source\n");
 177                 BIO_printf(bio_err, "-topk8          output PKCS8 file\n");
 178                 BIO_printf(bio_err, "-nooct          use (nonstandard) no octet format\n");
 179                 BIO_printf(bio_err, "-embed          use (nonstandard) embedded DSA parameters format\n");
 180                 BIO_printf(bio_err, "-nsdb           use (nonstandard) DSA Netscape DB format\n");
 181                 BIO_printf(bio_err, "-noiter         use 1 as iteration count\n");
 182                 BIO_printf(bio_err, "-nocrypt        use or expect unencrypted private key\n");
 183                 BIO_printf(bio_err, "-v2 alg         use PKCS#5 v2.0 and cipher \"alg\"\n");
 184                 BIO_printf(bio_err, "-v1 obj         use PKCS#5 v1.5 and cipher \"alg\"\n");
 185                 BIO_printf(bio_err," -engine e       use engine e, possibly a hardware device.\n");
 186                 return (1);
 187         }
 188
 189         e = setup_engine(bio_err, engine, 0);
 190
 191         if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
 192                 BIO_printf(bio_err, "Error getting passwords\n");
 193                 return (1);
 194         }
 195
 196         if ((pbe_nid == -1) && !cipher) pbe_nid = NID_pbeWithMD5AndDES_CBC;
 197
 198         if (infile) {
 199                 if (!(in = BIO_new_file(infile, "rb"))) {
 200                         BIO_printf(bio_err,
 201                                  "Can't open input file %s\n", infile);
 202                         return (1);
 203                 }
 204         } else in = BIO_new_fp (stdin, BIO_NOCLOSE);
 205
 206         if (outfile) {
 207                 if (!(out = BIO_new_file (outfile, "wb"))) {
 208                         BIO_printf(bio_err,
 209                                  "Can't open output file %s\n", outfile);
 210                         return (1);
 211                 }
 212         } else {
 213                 out = BIO_new_fp (stdout, BIO_NOCLOSE);
 214 #ifdef OPENSSL_SYS_VMS
 215                 {
 216                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 217                         out = BIO_push(tmpbio, out);
 218                 }
 219 #endif
 220         }
 221         if (topk8)
 222                 {
 223                 BIO_free(in); /* Not needed in this section */
 224                 pkey = load_key(bio_err, infile, informat, 1,
 225                         passin, e, "key");
 226                 if (!pkey) {
 227                         return (1);
 228                 }
 229                 if (!(p8inf = EVP_PKEY2PKCS8_broken(pkey, p8_broken))) {
 230                         BIO_printf(bio_err, "Error converting key\n", outfile);
 231                         ERR_print_errors(bio_err);
 232                         return (1);
 233                 }
 234                 if(nocrypt) {
 235                         if(outformat == FORMAT_PEM)
 236                                 PEM_write_bio_PKCS8_PRIV_KEY_INFO(out, p8inf);
 237                         else if(outformat == FORMAT_ASN1)
 238                                 i2d_PKCS8_PRIV_KEY_INFO_bio(out, p8inf);
 239                         else {
 240                                 BIO_printf(bio_err, "Bad format specified for key\n");
 241                                 return (1);
 242                         }
 243                 } else {
 244                         if(passout) p8pass = passout;
 245                         else {
 246                                 p8pass = pass;
 247                                 if (EVP_read_pw_string(pass, sizeof pass, "Enter Encryption Password:", 1))
 248                                         return (1);
 249                         }
 250                         app_RAND_load_file(NULL, bio_err, 0);
 251                         if (!(p8 = PKCS8_encrypt(pbe_nid, cipher,
 252                                         p8pass, strlen(p8pass),
 253                                         NULL, 0, iter, p8inf))) {
 254                                 BIO_printf(bio_err, "Error encrypting key\n",
 255                                                                  outfile);
 256                                 ERR_print_errors(bio_err);
 257                                 return (1);
 258                         }
 259                         app_RAND_write_file(NULL, bio_err);
 260                         if(outformat == FORMAT_PEM)
 261                                 PEM_write_bio_PKCS8(out, p8);
 262                         else if(outformat == FORMAT_ASN1)
 263                                 i2d_PKCS8_bio(out, p8);
 264                         else {
 265                                 BIO_printf(bio_err, "Bad format specified for key\n");
 266                                 return (1);
 267                         }
 268                         X509_SIG_free(p8);
 269                 }
 270                 PKCS8_PRIV_KEY_INFO_free (p8inf);
 271                 EVP_PKEY_free(pkey);
 272                 BIO_free_all(out);
 273                 if(passin) OPENSSL_free(passin);
 274                 if(passout) OPENSSL_free(passout);
 275                 return (0);
 276         }
 277
 278         if(nocrypt) {
 279                 if(informat == FORMAT_PEM)
 280                         p8inf = PEM_read_bio_PKCS8_PRIV_KEY_INFO(in,NULL,NULL, NULL);
 281                 else if(informat == FORMAT_ASN1)
 282                         p8inf = d2i_PKCS8_PRIV_KEY_INFO_bio(in, NULL);
 283                 else {
 284                         BIO_printf(bio_err, "Bad format specified for key\n");
 285                         return (1);
 286                 }
 287         } else {
 288                 if(informat == FORMAT_PEM)
 289                         p8 = PEM_read_bio_PKCS8(in, NULL, NULL, NULL);
 290                 else if(informat == FORMAT_ASN1)
 291                         p8 = d2i_PKCS8_bio(in, NULL);
 292                 else {
 293                         BIO_printf(bio_err, "Bad format specified for key\n");
 294                         return (1);
 295                 }
 296
 297                 if (!p8) {
 298                         BIO_printf (bio_err, "Error reading key\n", outfile);
 299                         ERR_print_errors(bio_err);
 300                         return (1);
 301                 }
 302                 if(passin) p8pass = passin;
 303                 else {
 304                         p8pass = pass;
 305                         EVP_read_pw_string(pass, sizeof pass, "Enter Password:", 0);
 306                 }
 307                 p8inf = PKCS8_decrypt(p8, p8pass, strlen(p8pass));
 308                 X509_SIG_free(p8);
 309         }
 310
 311         if (!p8inf) {
 312                 BIO_printf(bio_err, "Error decrypting key\n", outfile);
 313                 ERR_print_errors(bio_err);
 314                 return (1);
 315         }
 316
 317         if (!(pkey = EVP_PKCS82PKEY(p8inf))) {
 318                 BIO_printf(bio_err, "Error converting key\n", outfile);
 319                 ERR_print_errors(bio_err);
 320                 return (1);
 321         }
 322
 323         if (p8inf->broken) {
 324                 BIO_printf(bio_err, "Warning: broken key encoding: ");
 325                 switch (p8inf->broken) {
 326                         case PKCS8_NO_OCTET:
 327                         BIO_printf(bio_err, "No Octet String in PrivateKey\n");
 328                         break;
 329
 330                         case PKCS8_EMBEDDED_PARAM:
 331                         BIO_printf(bio_err, "DSA parameters included in PrivateKey\n");
 332                         break;
 333
 334                         case PKCS8_NS_DB:
 335                         BIO_printf(bio_err, "DSA public key include in PrivateKey\n");
 336                         break;
 337
 338                         default:
 339                         BIO_printf(bio_err, "Unknown broken type\n");
 340                         break;
 341                 }
 342         }
 343
 344         PKCS8_PRIV_KEY_INFO_free(p8inf);
 345         if(outformat == FORMAT_PEM)
 346                 PEM_write_bio_PrivateKey(out, pkey, NULL, NULL, 0, NULL, passout);
 347         else if(outformat == FORMAT_ASN1)
 348                 i2d_PrivateKey_bio(out, pkey);
 349         else {
 350                 BIO_printf(bio_err, "Bad format specified for key\n");
 351                         return (1);
 352         }
 353
 354         end:
 355         EVP_PKEY_free(pkey);
 356         BIO_free_all(out);
 357         BIO_free(in);
 358         if(passin) OPENSSL_free(passin);
 359         if(passout) OPENSSL_free(passout);
 360
 361         return (0);
 362 }