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         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;
  86         char pass[50], *passin = NULL, *passout = NULL, *p8pass = NULL;
  87         int badarg = 0;
  88         if (bio_err == NULL) bio_err = BIO_new_fp (stderr, BIO_NOCLOSE);
  89         informat=FORMAT_PEM;
  90         outformat=FORMAT_PEM;
  91         ERR_load_crypto_strings();
  92         OpenSSL_add_all_algorithms();
  93         args = argv + 1;
  94         while (!badarg && *args && *args[0] == '-') {
  95                 if (!strcmp(*args,"-v2")) {
  96                         if (args[1]) {
  97                                 args++;
  98                                 cipher=EVP_get_cipherbyname(*args);
  99                                 if(!cipher) {
 100                                         BIO_printf(bio_err,
 101                                                  "Unknown cipher %s\n", *args);
 102                                         badarg = 1;
 103                                 }
 104                         } else badarg = 1;
 105                 } else if (!strcmp(*args,"-v1")) {
 106                         if (args[1]) {
 107                                 args++;
 108                                 pbe_nid=OBJ_txt2nid(*args);
 109                                 if(pbe_nid == NID_undef) {
 110                                         BIO_printf(bio_err,
 111                                                  "Unknown PBE algorithm %s\n", *args);
 112                                         badarg = 1;
 113                                 }
 114                         } else badarg = 1;
 115                 } else if (!strcmp(*args,"-inform")) {
 116                         if (args[1]) {
 117                                 args++;
 118                                 informat=str2fmt(*args);
 119                         } else badarg = 1;
 120                 } else if (!strcmp(*args,"-outform")) {
 121                         if (args[1]) {
 122                                 args++;
 123                                 outformat=str2fmt(*args);
 124                         } else badarg = 1;
 125                 } else if (!strcmp (*args, "-topk8")) topk8 = 1;
 126                 else if (!strcmp (*args, "-noiter")) iter = 1;
 127                 else if (!strcmp (*args, "-nocrypt")) nocrypt = 1;
 128                 else if (!strcmp (*args, "-nooct")) p8_broken = PKCS8_NO_OCTET;
 129                 else if (!strcmp (*args, "-nsdb")) p8_broken = PKCS8_NS_DB;
 130                 else if (!strcmp (*args, "-embed")) p8_broken = PKCS8_EMBEDDED_PARAM;
 131                 else if (!strcmp(*args,"-passin"))
 132                         {
 133                         if (!args[1]) goto bad;
 134                         passargin= *(++args);
 135                         }
 136                 else if (!strcmp(*args,"-passout"))
 137                         {
 138                         if (!args[1]) goto bad;
 139                         passargout= *(++args);
 140                         }
 141                 else if (!strcmp (*args, "-in")) {
 142                         if (args[1]) {
 143                                 args++;
 144                                 infile = *args;
 145                         } else badarg = 1;
 146                 } else if (!strcmp (*args, "-out")) {
 147                         if (args[1]) {
 148                                 args++;
 149                                 outfile = *args;
 150                         } else badarg = 1;
 151                 } else badarg = 1;
 152                 args++;
 153         }
 154
 155         if (badarg) {
 156                 bad:
 157                 BIO_printf(bio_err, "Usage pkcs8 [options]\n");
 158                 BIO_printf(bio_err, "where options are\n");
 159                 BIO_printf(bio_err, "-in file        input file\n");
 160                 BIO_printf(bio_err, "-inform X       input format (DER or PEM)\n");
 161                 BIO_printf(bio_err, "-passin arg     input file pass phrase source\n");
 162                 BIO_printf(bio_err, "-outform X      output format (DER or PEM)\n");
 163                 BIO_printf(bio_err, "-out file       output file\n");
 164                 BIO_printf(bio_err, "-passout arg    output file pass phrase source\n");
 165                 BIO_printf(bio_err, "-topk8          output PKCS8 file\n");
 166                 BIO_printf(bio_err, "-nooct          use (nonstandard) no octet format\n");
 167                 BIO_printf(bio_err, "-embed          use (nonstandard) embedded DSA parameters format\n");
 168                 BIO_printf(bio_err, "-nsdb           use (nonstandard) DSA Netscape DB format\n");
 169                 BIO_printf(bio_err, "-noiter         use 1 as iteration count\n");
 170                 BIO_printf(bio_err, "-nocrypt        use or expect unencrypted private key\n");
 171                 BIO_printf(bio_err, "-v2 alg         use PKCS#5 v2.0 and cipher \"alg\"\n");
 172                 BIO_printf(bio_err, "-v1 obj         use PKCS#5 v1.5 and cipher \"alg\"\n");
 173                 return (1);
 174         }
 175
 176         if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
 177                 BIO_printf(bio_err, "Error getting passwords\n");
 178                 return (1);
 179         }
 180
 181         if ((pbe_nid == -1) && !cipher) pbe_nid = NID_pbeWithMD5AndDES_CBC;
 182
 183         if (infile) {
 184                 if (!(in = BIO_new_file(infile, "rb"))) {
 185                         BIO_printf(bio_err,
 186                                  "Can't open input file %s\n", infile);
 187                         return (1);
 188                 }
 189         } else in = BIO_new_fp (stdin, BIO_NOCLOSE);
 190
 191         if (outfile) {
 192                 if (!(out = BIO_new_file (outfile, "wb"))) {
 193                         BIO_printf(bio_err,
 194                                  "Can't open output file %s\n", outfile);
 195                         return (1);
 196                 }
 197         } else {
 198                 out = BIO_new_fp (stdout, BIO_NOCLOSE);
 199 #ifdef VMS
 200                 {
 201                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 202                         out = BIO_push(tmpbio, out);
 203                 }
 204 #endif
 205         }
 206         if (topk8) {
 207                 if(informat == FORMAT_PEM)
 208                         pkey = PEM_read_bio_PrivateKey(in, NULL, NULL, passin);
 209                 else if(informat == FORMAT_ASN1)
 210                         pkey = d2i_PrivateKey_bio(in, NULL);
 211                 else {
 212                         BIO_printf(bio_err, "Bad format specified for key\n");
 213                         return (1);
 214                 }
 215                 if (!pkey) {
 216                         BIO_printf(bio_err, "Error reading key\n", outfile);
 217                         ERR_print_errors(bio_err);
 218                         return (1);
 219                 }
 220                 BIO_free(in);
 221                 if (!(p8inf = EVP_PKEY2PKCS8_broken(pkey, p8_broken))) {
 222                         BIO_printf(bio_err, "Error converting key\n", outfile);
 223                         ERR_print_errors(bio_err);
 224                         return (1);
 225                 }
 226                 if(nocrypt) {
 227                         if(outformat == FORMAT_PEM)
 228                                 PEM_write_bio_PKCS8_PRIV_KEY_INFO(out, p8inf);
 229                         else if(outformat == FORMAT_ASN1)
 230                                 i2d_PKCS8_PRIV_KEY_INFO_bio(out, p8inf);
 231                         else {
 232                                 BIO_printf(bio_err, "Bad format specified for key\n");
 233                                 return (1);
 234                         }
 235                 } else {
 236                         if(passout) p8pass = passout;
 237                         else {
 238                                 p8pass = pass;
 239                                 EVP_read_pw_string(pass, 50, "Enter Encryption Password:", 1);
 240                         }
 241                         app_RAND_load_file(NULL, bio_err, 0);
 242                         if (!(p8 = PKCS8_encrypt(pbe_nid, cipher,
 243                                         p8pass, strlen(p8pass),
 244                                         NULL, 0, iter, p8inf))) {
 245                                 BIO_printf(bio_err, "Error encrypting key\n",
 246                                                                  outfile);
 247                                 ERR_print_errors(bio_err);
 248                                 return (1);
 249                         }
 250                         app_RAND_write_file(NULL, bio_err);
 251                         if(outformat == FORMAT_PEM)
 252                                 PEM_write_bio_PKCS8(out, p8);
 253                         else if(outformat == FORMAT_ASN1)
 254                                 i2d_PKCS8_bio(out, p8);
 255                         else {
 256                                 BIO_printf(bio_err, "Bad format specified for key\n");
 257                                 return (1);
 258                         }
 259                         X509_SIG_free(p8);
 260                 }
 261                 PKCS8_PRIV_KEY_INFO_free (p8inf);
 262                 EVP_PKEY_free(pkey);
 263                 BIO_free_all(out);
 264                 if(passin) OPENSSL_free(passin);
 265                 if(passout) OPENSSL_free(passout);
 266                 return (0);
 267         }
 268
 269         if(nocrypt) {
 270                 if(informat == FORMAT_PEM)
 271                         p8inf = PEM_read_bio_PKCS8_PRIV_KEY_INFO(in,NULL,NULL, NULL);
 272                 else if(informat == FORMAT_ASN1)
 273                         p8inf = d2i_PKCS8_PRIV_KEY_INFO_bio(in, NULL);
 274                 else {
 275                         BIO_printf(bio_err, "Bad format specified for key\n");
 276                         return (1);
 277                 }
 278         } else {
 279                 if(informat == FORMAT_PEM)
 280                         p8 = PEM_read_bio_PKCS8(in, NULL, NULL, NULL);
 281                 else if(informat == FORMAT_ASN1)
 282                         p8 = d2i_PKCS8_bio(in, NULL);
 283                 else {
 284                         BIO_printf(bio_err, "Bad format specified for key\n");
 285                         return (1);
 286                 }
 287
 288                 if (!p8) {
 289                         BIO_printf (bio_err, "Error reading key\n", outfile);
 290                         ERR_print_errors(bio_err);
 291                         return (1);
 292                 }
 293                 if(passin) p8pass = passin;
 294                 else {
 295                         p8pass = pass;
 296                         EVP_read_pw_string(pass, 50, "Enter Password:", 0);
 297                 }
 298                 p8inf = M_PKCS8_decrypt(p8, p8pass, strlen(p8pass));
 299                 X509_SIG_free(p8);
 300         }
 301
 302         if (!p8inf) {
 303                 BIO_printf(bio_err, "Error decrypting key\n", outfile);
 304                 ERR_print_errors(bio_err);
 305                 return (1);
 306         }
 307
 308         if (!(pkey = EVP_PKCS82PKEY(p8inf))) {
 309                 BIO_printf(bio_err, "Error converting key\n", outfile);
 310                 ERR_print_errors(bio_err);
 311                 return (1);
 312         }
 313
 314         if (p8inf->broken) {
 315                 BIO_printf(bio_err, "Warning: broken key encoding: ");
 316                 switch (p8inf->broken) {
 317                         case PKCS8_NO_OCTET:
 318                         BIO_printf(bio_err, "No Octet String in PrivateKey\n");
 319                         break;
 320
 321                         case PKCS8_EMBEDDED_PARAM:
 322                         BIO_printf(bio_err, "DSA parameters included in PrivateKey\n");
 323                         break;
 324
 325                         case PKCS8_NS_DB:
 326                         BIO_printf(bio_err, "DSA public key include in PrivateKey\n");
 327                         break;
 328
 329                         default:
 330                         BIO_printf(bio_err, "Unknown broken type\n");
 331                         break;
 332                 }
 333         }
 334
 335         PKCS8_PRIV_KEY_INFO_free(p8inf);
 336         if(outformat == FORMAT_PEM)
 337                 PEM_write_bio_PrivateKey(out, pkey, NULL, NULL, 0, NULL, passout);
 338         else if(outformat == FORMAT_ASN1)
 339                 i2d_PrivateKey_bio(out, pkey);
 340         else {
 341                 BIO_printf(bio_err, "Bad format specified for key\n");
 342                         return (1);
 343         }
 344
 345         EVP_PKEY_free(pkey);
 346         BIO_free_all(out);
 347         BIO_free(in);
 348         if(passin) OPENSSL_free(passin);
 349         if(passout) OPENSSL_free(passout);
 350
 351         return (0);
 352 }