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 #include "apps.h"
  67 #define PROG pkcs8_main
  68
  69
  70 int MAIN(int argc, char **argv)
  71 {
  72         char **args, *infile = NULL, *outfile = NULL;
  73         BIO *in = NULL, *out = NULL;
  74         int topk8 = 0;
  75         int pbe_nid = -1;
  76         const EVP_CIPHER *cipher = NULL;
  77         int iter = PKCS12_DEFAULT_ITER;
  78         int informat, outformat;
  79         int p8_broken = PKCS8_OK;
  80         int nocrypt = 0;
  81         X509_SIG *p8;
  82         PKCS8_PRIV_KEY_INFO *p8inf;
  83         EVP_PKEY *pkey;
  84         char pass[50], *passin = NULL, *passout = NULL;
  85         int badarg = 0;
  86         if (bio_err == NULL) bio_err = BIO_new_fp (stderr, BIO_NOCLOSE);
  87         informat=FORMAT_PEM;
  88         outformat=FORMAT_PEM;
  89         ERR_load_crypto_strings();
  90         OpenSSL_add_all_algorithms();
  91         args = argv + 1;
  92         while (!badarg && *args && *args[0] == '-') {
  93                 if (!strcmp(*args,"-v2")) {
  94                         if (args[1]) {
  95                                 args++;
  96                                 cipher=EVP_get_cipherbyname(*args);
  97                                 if(!cipher) {
  98                                         BIO_printf(bio_err,
  99                                                  "Unknown cipher %s\n", *args);
 100                                         badarg = 1;
 101                                 }
 102                         } else badarg = 1;
 103                 } else if (!strcmp(*args,"-v1")) {
 104                         if (args[1]) {
 105                                 args++;
 106                                 pbe_nid=OBJ_txt2nid(*args);
 107                                 if(pbe_nid == NID_undef) {
 108                                         BIO_printf(bio_err,
 109                                                  "Unknown PBE algorithm %s\n", *args);
 110                                         badarg = 1;
 111                                 }
 112                         } else badarg = 1;
 113                 } else if (!strcmp(*args,"-inform")) {
 114                         if (args[1]) {
 115                                 args++;
 116                                 informat=str2fmt(*args);
 117                         } else badarg = 1;
 118                 } else if (!strcmp(*args,"-outform")) {
 119                         if (args[1]) {
 120                                 args++;
 121                                 outformat=str2fmt(*args);
 122                         } else badarg = 1;
 123                 } else if (!strcmp (*args, "-topk8")) topk8 = 1;
 124                 else if (!strcmp (*args, "-noiter")) iter = 1;
 125                 else if (!strcmp (*args, "-nocrypt")) nocrypt = 1;
 126                 else if (!strcmp (*args, "-nooct")) p8_broken = PKCS8_NO_OCTET;
 127                 else if (!strcmp (*args, "-nsdb")) p8_broken = PKCS8_NS_DB;
 128                 else if (!strcmp (*args, "-embed")) p8_broken = PKCS8_EMBEDDED_PARAM;
 129                 else if (!strcmp(*args,"-passin"))
 130                         {
 131                         if (!args[1]) goto bad;
 132                         passin= *(++args);
 133                         }
 134                 else if (!strcmp(*args,"-envpassin"))
 135                         {
 136                         if (!args[1]) goto bad;
 137                         if(!(passin= getenv(*(++args))))
 138                                 {
 139                                 BIO_printf(bio_err,
 140                                  "Can't read environment variable %s\n",
 141                                                                 *args);
 142                                 badarg = 1;
 143                                 }
 144                         }
 145                 else if (strcmp(*args,"-envpassout") == 0)
 146                         {
 147                         if (!args[1]) goto bad;
 148                         if(!(passout= getenv(*(++args))))
 149                                 {
 150                                 BIO_printf(bio_err,
 151                                  "Can't read environment variable %s\n",
 152                                                                 *args);
 153                                 badarg = 1;
 154                                 }
 155                         }
 156                 else if (!strcmp(*args,"-passout"))
 157                         {
 158                         if (!args[1]) goto bad;
 159                         passout= *(++args);
 160                         }
 161                 else if (!strcmp (*args, "-in")) {
 162                         if (args[1]) {
 163                                 args++;
 164                                 infile = *args;
 165                         } else badarg = 1;
 166                 } else if (!strcmp (*args, "-out")) {
 167                         if (args[1]) {
 168                                 args++;
 169                                 outfile = *args;
 170                         } else badarg = 1;
 171                 } else badarg = 1;
 172                 args++;
 173         }
 174
 175         if (badarg) {
 176                 bad:
 177                 BIO_printf(bio_err, "Usage pkcs8 [options]\n");
 178                 BIO_printf(bio_err, "where options are\n");
 179                 BIO_printf(bio_err, "-in file        input file\n");
 180                 BIO_printf(bio_err, "-inform X       input format (DER or PEM)\n");
 181                 BIO_printf(bio_err, "-passin arg     input file pass phrase\n");
 182                 BIO_printf(bio_err, "-envpassin arg  environment variable containing input file pass phrase\n");
 183                 BIO_printf(bio_err, "-outform X      output format (DER or PEM)\n");
 184                 BIO_printf(bio_err, "-out file       output file\n");
 185                 BIO_printf(bio_err, "-passout arg    output file pass phrase\n");
 186                 BIO_printf(bio_err, "-envpassout arg environment variable containing outut file pass phrase\n");
 187                 BIO_printf(bio_err, "-topk8          output PKCS8 file\n");
 188                 BIO_printf(bio_err, "-nooct          use (nonstandard) no octet format\n");
 189                 BIO_printf(bio_err, "-embed          use (nonstandard) embedded DSA parameters format\n");
 190                 BIO_printf(bio_err, "-nsdb           use (nonstandard) DSA Netscape DB format\n");
 191                 BIO_printf(bio_err, "-noiter         use 1 as iteration count\n");
 192                 BIO_printf(bio_err, "-nocrypt        use or expect unencrypted private key\n");
 193                 BIO_printf(bio_err, "-v2 alg         use PKCS#5 v2.0 and cipher \"alg\"\n");
 194                 BIO_printf(bio_err, "-v1 obj         use PKCS#5 v1.5 and cipher \"alg\"\n");
 195                 return (1);
 196         }
 197
 198         if ((pbe_nid == -1) && !cipher) pbe_nid = NID_pbeWithMD5AndDES_CBC;
 199
 200         if (infile) {
 201                 if (!(in = BIO_new_file(infile, "rb"))) {
 202                         BIO_printf(bio_err,
 203                                  "Can't open input file %s\n", infile);
 204                         return (1);
 205                 }
 206         } else in = BIO_new_fp (stdin, BIO_NOCLOSE);
 207
 208         if (outfile) {
 209                 if (!(out = BIO_new_file (outfile, "wb"))) {
 210                         BIO_printf(bio_err,
 211                                  "Can't open output file %s\n", outfile);
 212                         return (1);
 213                 }
 214         } else out = BIO_new_fp (stdout, BIO_NOCLOSE);
 215
 216         if (topk8) {
 217                 if(informat == FORMAT_PEM)
 218                         pkey = PEM_read_bio_PrivateKey(in, NULL, PEM_cb, passin);
 219                 else if(informat == FORMAT_ASN1)
 220                         pkey = d2i_PrivateKey_bio(in, NULL);
 221                 else {
 222                         BIO_printf(bio_err, "Bad format specified for key\n");
 223                         return (1);
 224                 }
 225                 if (!pkey) {
 226                         BIO_printf(bio_err, "Error reading key\n", outfile);
 227                         ERR_print_errors(bio_err);
 228                         return (1);
 229                 }
 230                 BIO_free(in);
 231                 if (!(p8inf = EVP_PKEY2PKCS8_broken(pkey, p8_broken))) {
 232                         BIO_printf(bio_err, "Error converting key\n", outfile);
 233                         ERR_print_errors(bio_err);
 234                         return (1);
 235                 }
 236                 if(nocrypt) {
 237                         if(outformat == FORMAT_PEM)
 238                                 PEM_write_bio_PKCS8_PRIV_KEY_INFO(out, p8inf);
 239                         else if(outformat == FORMAT_ASN1)
 240                                 i2d_PKCS8_PRIV_KEY_INFO_bio(out, p8inf);
 241                         else {
 242                                 BIO_printf(bio_err, "Bad format specified for key\n");
 243                                 return (1);
 244                         }
 245                 } else {
 246                         if(!passout) {
 247                                 passout = pass;
 248                                 EVP_read_pw_string(pass, 50, "Enter Encryption Password:", 1);
 249                         }
 250                         if (!(p8 = PKCS8_encrypt(pbe_nid, cipher,
 251                                         passout, strlen(passout),
 252                                         NULL, 0, iter, p8inf))) {
 253                                 BIO_printf(bio_err, "Error encrypting key\n",
 254                                                                  outfile);
 255                                 ERR_print_errors(bio_err);
 256                                 return (1);
 257                         }
 258                         if(outformat == FORMAT_PEM)
 259                                 PEM_write_bio_PKCS8(out, p8);
 260                         else if(outformat == FORMAT_ASN1)
 261                                 i2d_PKCS8_bio(out, p8);
 262                         else {
 263                                 BIO_printf(bio_err, "Bad format specified for key\n");
 264                                 return (1);
 265                         }
 266                         X509_SIG_free(p8);
 267                 }
 268                 PKCS8_PRIV_KEY_INFO_free (p8inf);
 269                 EVP_PKEY_free(pkey);
 270                 BIO_free(out);
 271                 return (0);
 272         }
 273
 274         if(nocrypt) {
 275                 if(informat == FORMAT_PEM)
 276                         p8inf = PEM_read_bio_PKCS8_PRIV_KEY_INFO(in,NULL,NULL, NULL);
 277                 else if(informat == FORMAT_ASN1)
 278                         p8inf = d2i_PKCS8_PRIV_KEY_INFO_bio(in, NULL);
 279                 else {
 280                         BIO_printf(bio_err, "Bad format specified for key\n");
 281                         return (1);
 282                 }
 283         } else {
 284                 if(informat == FORMAT_PEM)
 285                         p8 = PEM_read_bio_PKCS8(in, NULL, NULL, NULL);
 286                 else if(informat == FORMAT_ASN1)
 287                         p8 = d2i_PKCS8_bio(in, NULL);
 288                 else {
 289                         BIO_printf(bio_err, "Bad format specified for key\n");
 290                         return (1);
 291                 }
 292
 293                 if (!p8) {
 294                         BIO_printf (bio_err, "Error reading key\n", outfile);
 295                         ERR_print_errors(bio_err);
 296                         return (1);
 297                 }
 298                 if(!passin) {
 299                         passin = pass;
 300                         EVP_read_pw_string(pass, 50, "Enter Password:", 0);
 301                 }
 302                 p8inf = M_PKCS8_decrypt(p8, passin, strlen(passin));
 303                 X509_SIG_free(p8);
 304         }
 305
 306         if (!p8inf) {
 307                 BIO_printf(bio_err, "Error decrypting key\n", outfile);
 308                 ERR_print_errors(bio_err);
 309                 return (1);
 310         }
 311
 312         if (!(pkey = EVP_PKCS82PKEY(p8inf))) {
 313                 BIO_printf(bio_err, "Error converting key\n", outfile);
 314                 ERR_print_errors(bio_err);
 315                 return (1);
 316         }
 317
 318         if (p8inf->broken) {
 319                 BIO_printf(bio_err, "Warning: broken key encoding: ");
 320                 switch (p8inf->broken) {
 321                         case PKCS8_NO_OCTET:
 322                         BIO_printf(bio_err, "No Octet String in PrivateKey\n");
 323                         break;
 324
 325                         case PKCS8_EMBEDDED_PARAM:
 326                         BIO_printf(bio_err, "DSA parameters included in PrivateKey\n");
 327                         break;
 328
 329                         case PKCS8_NS_DB:
 330                         BIO_printf(bio_err, "DSA public key include in PrivateKey\n");
 331                         break;
 332
 333                         default:
 334                         BIO_printf(bio_err, "Unknown broken type\n");
 335                         break;
 336                 }
 337         }
 338
 339         PKCS8_PRIV_KEY_INFO_free(p8inf);
 340         if(outformat == FORMAT_PEM)
 341                 PEM_write_bio_PrivateKey(out, pkey, NULL, NULL, 0, PEM_cb, passout);
 342         else if(outformat == FORMAT_ASN1)
 343                 i2d_PrivateKey_bio(out, pkey);
 344         else {
 345                 BIO_printf(bio_err, "Bad format specified for key\n");
 346                         return (1);
 347         }
 348
 349         EVP_PKEY_free(pkey);
 350         BIO_free(out);
 351         BIO_free(in);
 352
 353         return (0);
 354 }