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 int MAIN(int, char **);
  70
  71 int MAIN(int argc, char **argv)
  72 {
  73         char **args, *infile = NULL, *outfile = NULL;
  74         BIO *in = NULL, *out = NULL;
  75         int topk8 = 0;
  76         int pbe_nid = -1;
  77         const EVP_CIPHER *cipher = NULL;
  78         int iter = PKCS12_DEFAULT_ITER;
  79         int informat, outformat;
  80         int p8_broken = PKCS8_OK;
  81         int nocrypt = 0;
  82         X509_SIG *p8;
  83         PKCS8_PRIV_KEY_INFO *p8inf;
  84         EVP_PKEY *pkey;
  85         char pass[50], *passin = NULL, *passout = NULL;
  86         int badarg = 0;
  87         if (bio_err == NULL) bio_err = BIO_new_fp (stderr, BIO_NOCLOSE);
  88         informat=FORMAT_PEM;
  89         outformat=FORMAT_PEM;
  90         ERR_load_crypto_strings();
  91         OpenSSL_add_all_algorithms();
  92         args = argv + 1;
  93         while (!badarg && *args && *args[0] == '-') {
  94                 if (!strcmp(*args,"-v2")) {
  95                         if (args[1]) {
  96                                 args++;
  97                                 cipher=EVP_get_cipherbyname(*args);
  98                                 if(!cipher) {
  99                                         BIO_printf(bio_err,
 100                                                  "Unknown cipher %s\n", *args);
 101                                         badarg = 1;
 102                                 }
 103                         } else badarg = 1;
 104                 } else if (!strcmp(*args,"-v1")) {
 105                         if (args[1]) {
 106                                 args++;
 107                                 pbe_nid=OBJ_txt2nid(*args);
 108                                 if(pbe_nid == NID_undef) {
 109                                         BIO_printf(bio_err,
 110                                                  "Unknown PBE algorithm %s\n", *args);
 111                                         badarg = 1;
 112                                 }
 113                         } else badarg = 1;
 114                 } else if (!strcmp(*args,"-inform")) {
 115                         if (args[1]) {
 116                                 args++;
 117                                 informat=str2fmt(*args);
 118                         } else badarg = 1;
 119                 } else if (!strcmp(*args,"-outform")) {
 120                         if (args[1]) {
 121                                 args++;
 122                                 outformat=str2fmt(*args);
 123                         } else badarg = 1;
 124                 } else if (!strcmp (*args, "-topk8")) topk8 = 1;
 125                 else if (!strcmp (*args, "-noiter")) iter = 1;
 126                 else if (!strcmp (*args, "-nocrypt")) nocrypt = 1;
 127                 else if (!strcmp (*args, "-nooct")) p8_broken = PKCS8_NO_OCTET;
 128                 else if (!strcmp (*args, "-nsdb")) p8_broken = PKCS8_NS_DB;
 129                 else if (!strcmp (*args, "-embed")) p8_broken = PKCS8_EMBEDDED_PARAM;
 130                 else if (!strcmp(*args,"-passin"))
 131                         {
 132                         if (!args[1]) goto bad;
 133                         passin= *(++args);
 134                         }
 135                 else if (!strcmp(*args,"-envpassin"))
 136                         {
 137                         if (!args[1]) goto bad;
 138                         if(!(passin= getenv(*(++args))))
 139                                 {
 140                                 BIO_printf(bio_err,
 141                                  "Can't read environment variable %s\n",
 142                                                                 *args);
 143                                 badarg = 1;
 144                                 }
 145                         }
 146                 else if (strcmp(*args,"-envpassout") == 0)
 147                         {
 148                         if (!args[1]) goto bad;
 149                         if(!(passout= getenv(*(++args))))
 150                                 {
 151                                 BIO_printf(bio_err,
 152                                  "Can't read environment variable %s\n",
 153                                                                 *args);
 154                                 badarg = 1;
 155                                 }
 156                         }
 157                 else if (!strcmp(*args,"-passout"))
 158                         {
 159                         if (!args[1]) goto bad;
 160                         passout= *(++args);
 161                         }
 162                 else if (!strcmp (*args, "-in")) {
 163                         if (args[1]) {
 164                                 args++;
 165                                 infile = *args;
 166                         } else badarg = 1;
 167                 } else if (!strcmp (*args, "-out")) {
 168                         if (args[1]) {
 169                                 args++;
 170                                 outfile = *args;
 171                         } else badarg = 1;
 172                 } else badarg = 1;
 173                 args++;
 174         }
 175
 176         if (badarg) {
 177                 bad:
 178                 BIO_printf(bio_err, "Usage pkcs8 [options]\n");
 179                 BIO_printf(bio_err, "where options are\n");
 180                 BIO_printf(bio_err, "-in file        input file\n");
 181                 BIO_printf(bio_err, "-inform X       input format (DER or PEM)\n");
 182                 BIO_printf(bio_err, "-passin arg     input file pass phrase\n");
 183                 BIO_printf(bio_err, "-envpassin arg  environment variable containing input file pass phrase\n");
 184                 BIO_printf(bio_err, "-outform X      output format (DER or PEM)\n");
 185                 BIO_printf(bio_err, "-out file       output file\n");
 186                 BIO_printf(bio_err, "-passout arg    output file pass phrase\n");
 187                 BIO_printf(bio_err, "-envpassout arg environment variable containing outut file pass phrase\n");
 188                 BIO_printf(bio_err, "-topk8          output PKCS8 file\n");
 189                 BIO_printf(bio_err, "-nooct          use (nonstandard) no octet format\n");
 190                 BIO_printf(bio_err, "-embed          use (nonstandard) embedded DSA parameters format\n");
 191                 BIO_printf(bio_err, "-nsdb           use (nonstandard) DSA Netscape DB format\n");
 192                 BIO_printf(bio_err, "-noiter         use 1 as iteration count\n");
 193                 BIO_printf(bio_err, "-nocrypt        use or expect unencrypted private key\n");
 194                 BIO_printf(bio_err, "-v2 alg         use PKCS#5 v2.0 and cipher \"alg\"\n");
 195                 BIO_printf(bio_err, "-v1 obj         use PKCS#5 v1.5 and cipher \"alg\"\n");
 196                 return (1);
 197         }
 198
 199         if ((pbe_nid == -1) && !cipher) pbe_nid = NID_pbeWithMD5AndDES_CBC;
 200
 201         if (infile) {
 202                 if (!(in = BIO_new_file(infile, "rb"))) {
 203                         BIO_printf(bio_err,
 204                                  "Can't open input file %s\n", infile);
 205                         return (1);
 206                 }
 207         } else in = BIO_new_fp (stdin, BIO_NOCLOSE);
 208
 209         if (outfile) {
 210                 if (!(out = BIO_new_file (outfile, "wb"))) {
 211                         BIO_printf(bio_err,
 212                                  "Can't open output file %s\n", outfile);
 213                         return (1);
 214                 }
 215         } else out = BIO_new_fp (stdout, BIO_NOCLOSE);
 216
 217         if (topk8) {
 218                 if(informat == FORMAT_PEM)
 219                         pkey = PEM_read_bio_PrivateKey(in, NULL, PEM_cb, passin);
 220                 else if(informat == FORMAT_ASN1)
 221                         pkey = d2i_PrivateKey_bio(in, NULL);
 222                 else {
 223                         BIO_printf(bio_err, "Bad format specified for key\n");
 224                         return (1);
 225                 }
 226                 if (!pkey) {
 227                         BIO_printf(bio_err, "Error reading key\n", outfile);
 228                         ERR_print_errors(bio_err);
 229                         return (1);
 230                 }
 231                 BIO_free(in);
 232                 if (!(p8inf = EVP_PKEY2PKCS8_broken(pkey, p8_broken))) {
 233                         BIO_printf(bio_err, "Error converting key\n", outfile);
 234                         ERR_print_errors(bio_err);
 235                         return (1);
 236                 }
 237                 if(nocrypt) {
 238                         if(outformat == FORMAT_PEM)
 239                                 PEM_write_bio_PKCS8_PRIV_KEY_INFO(out, p8inf);
 240                         else if(outformat == FORMAT_ASN1)
 241                                 i2d_PKCS8_PRIV_KEY_INFO_bio(out, p8inf);
 242                         else {
 243                                 BIO_printf(bio_err, "Bad format specified for key\n");
 244                                 return (1);
 245                         }
 246                 } else {
 247                         if(!passout) {
 248                                 passout = pass;
 249                                 EVP_read_pw_string(pass, 50, "Enter Encryption Password:", 1);
 250                         }
 251                         if (!(p8 = PKCS8_encrypt(pbe_nid, cipher,
 252                                         passout, strlen(passout),
 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                         if(outformat == FORMAT_PEM)
 260                                 PEM_write_bio_PKCS8(out, p8);
 261                         else if(outformat == FORMAT_ASN1)
 262                                 i2d_PKCS8_bio(out, p8);
 263                         else {
 264                                 BIO_printf(bio_err, "Bad format specified for key\n");
 265                                 return (1);
 266                         }
 267                         X509_SIG_free(p8);
 268                 }
 269                 PKCS8_PRIV_KEY_INFO_free (p8inf);
 270                 EVP_PKEY_free(pkey);
 271                 BIO_free(out);
 272                 return (0);
 273         }
 274
 275         if(nocrypt) {
 276                 if(informat == FORMAT_PEM)
 277                         p8inf = PEM_read_bio_PKCS8_PRIV_KEY_INFO(in,NULL,NULL, NULL);
 278                 else if(informat == FORMAT_ASN1)
 279                         p8inf = d2i_PKCS8_PRIV_KEY_INFO_bio(in, NULL);
 280                 else {
 281                         BIO_printf(bio_err, "Bad format specified for key\n");
 282                         return (1);
 283                 }
 284         } else {
 285                 if(informat == FORMAT_PEM)
 286                         p8 = PEM_read_bio_PKCS8(in, NULL, NULL, NULL);
 287                 else if(informat == FORMAT_ASN1)
 288                         p8 = d2i_PKCS8_bio(in, NULL);
 289                 else {
 290                         BIO_printf(bio_err, "Bad format specified for key\n");
 291                         return (1);
 292                 }
 293
 294                 if (!p8) {
 295                         BIO_printf (bio_err, "Error reading key\n", outfile);
 296                         ERR_print_errors(bio_err);
 297                         return (1);
 298                 }
 299                 if(!passin) {
 300                         passin = pass;
 301                         EVP_read_pw_string(pass, 50, "Enter Password:", 0);
 302                 }
 303                 p8inf = M_PKCS8_decrypt(p8, passin, strlen(passin));
 304                 X509_SIG_free(p8);
 305         }
 306
 307         if (!p8inf) {
 308                 BIO_printf(bio_err, "Error decrypting key\n", outfile);
 309                 ERR_print_errors(bio_err);
 310                 return (1);
 311         }
 312
 313         if (!(pkey = EVP_PKCS82PKEY(p8inf))) {
 314                 BIO_printf(bio_err, "Error converting key\n", outfile);
 315                 ERR_print_errors(bio_err);
 316                 return (1);
 317         }
 318
 319         if (p8inf->broken) {
 320                 BIO_printf(bio_err, "Warning: broken key encoding: ");
 321                 switch (p8inf->broken) {
 322                         case PKCS8_NO_OCTET:
 323                         BIO_printf(bio_err, "No Octet String in PrivateKey\n");
 324                         break;
 325
 326                         case PKCS8_EMBEDDED_PARAM:
 327                         BIO_printf(bio_err, "DSA parameters included in PrivateKey\n");
 328                         break;
 329
 330                         case PKCS8_NS_DB:
 331                         BIO_printf(bio_err, "DSA public key include in PrivateKey\n");
 332                         break;
 333
 334                         default:
 335                         BIO_printf(bio_err, "Unknown broken type\n");
 336                         break;
 337                 }
 338         }
 339
 340         PKCS8_PRIV_KEY_INFO_free(p8inf);
 341         if(outformat == FORMAT_PEM)
 342                 PEM_write_bio_PrivateKey(out, pkey, NULL, NULL, 0, PEM_cb, passout);
 343         else if(outformat == FORMAT_ASN1)
 344                 i2d_PrivateKey_bio(out, pkey);
 345         else {
 346                 BIO_printf(bio_err, "Bad format specified for key\n");
 347                         return (1);
 348         }
 349
 350         EVP_PKEY_free(pkey);
 351         BIO_free(out);
 352         BIO_free(in);
 353
 354         return (0);
 355 }