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 #include <openssl/engine.h>
  66
  67 #include "apps.h"
  68 #define PROG pkcs8_main
  69
  70 int MAIN(int, char **);
  71
  72 int MAIN(int argc, char **argv)
  73 {
  74         ENGINE *e = NULL;
  75         char **args, *infile = NULL, *outfile = NULL;
  76         char *passargin = NULL, *passargout = NULL;
  77         BIO *in = NULL, *out = NULL;
  78         int topk8 = 0;
  79         int pbe_nid = -1;
  80         const EVP_CIPHER *cipher = NULL;
  81         int iter = PKCS12_DEFAULT_ITER;
  82         int informat, outformat;
  83         int p8_broken = PKCS8_OK;
  84         int nocrypt = 0;
  85         X509_SIG *p8;
  86         PKCS8_PRIV_KEY_INFO *p8inf;
  87         EVP_PKEY *pkey;
  88         char pass[50], *passin = NULL, *passout = NULL, *p8pass = NULL;
  89         int badarg = 0;
  90         char *engine=NULL;
  91
  92         if (bio_err == NULL) bio_err = BIO_new_fp (stderr, BIO_NOCLOSE);
  93
  94         informat=FORMAT_PEM;
  95         outformat=FORMAT_PEM;
  96
  97         ERR_load_crypto_strings();
  98         OpenSSL_add_all_algorithms();
  99         args = argv + 1;
 100         while (!badarg && *args && *args[0] == '-') {
 101                 if (!strcmp(*args,"-v2")) {
 102                         if (args[1]) {
 103                                 args++;
 104                                 cipher=EVP_get_cipherbyname(*args);
 105                                 if(!cipher) {
 106                                         BIO_printf(bio_err,
 107                                                  "Unknown cipher %s\n", *args);
 108                                         badarg = 1;
 109                                 }
 110                         } else badarg = 1;
 111                 } else if (!strcmp(*args,"-v1")) {
 112                         if (args[1]) {
 113                                 args++;
 114                                 pbe_nid=OBJ_txt2nid(*args);
 115                                 if(pbe_nid == NID_undef) {
 116                                         BIO_printf(bio_err,
 117                                                  "Unknown PBE algorithm %s\n", *args);
 118                                         badarg = 1;
 119                                 }
 120                         } else badarg = 1;
 121                 } else if (!strcmp(*args,"-inform")) {
 122                         if (args[1]) {
 123                                 args++;
 124                                 informat=str2fmt(*args);
 125                         } else badarg = 1;
 126                 } else if (!strcmp(*args,"-outform")) {
 127                         if (args[1]) {
 128                                 args++;
 129                                 outformat=str2fmt(*args);
 130                         } else badarg = 1;
 131                 } else if (!strcmp (*args, "-topk8")) topk8 = 1;
 132                 else if (!strcmp (*args, "-noiter")) iter = 1;
 133                 else if (!strcmp (*args, "-nocrypt")) nocrypt = 1;
 134                 else if (!strcmp (*args, "-nooct")) p8_broken = PKCS8_NO_OCTET;
 135                 else if (!strcmp (*args, "-nsdb")) p8_broken = PKCS8_NS_DB;
 136                 else if (!strcmp (*args, "-embed")) p8_broken = PKCS8_EMBEDDED_PARAM;
 137                 else if (!strcmp(*args,"-passin"))
 138                         {
 139                         if (!args[1]) goto bad;
 140                         passargin= *(++args);
 141                         }
 142                 else if (!strcmp(*args,"-passout"))
 143                         {
 144                         if (!args[1]) goto bad;
 145                         passargout= *(++args);
 146                         }
 147                 else if (strcmp(*args,"-engine") == 0)
 148                         {
 149                         if (!args[1]) goto bad;
 150                         engine= *(++args);
 151                         }
 152                 else if (!strcmp (*args, "-in")) {
 153                         if (args[1]) {
 154                                 args++;
 155                                 infile = *args;
 156                         } else badarg = 1;
 157                 } else if (!strcmp (*args, "-out")) {
 158                         if (args[1]) {
 159                                 args++;
 160                                 outfile = *args;
 161                         } else badarg = 1;
 162                 } else badarg = 1;
 163                 args++;
 164         }
 165
 166         if (badarg) {
 167                 bad:
 168                 BIO_printf(bio_err, "Usage pkcs8 [options]\n");
 169                 BIO_printf(bio_err, "where options are\n");
 170                 BIO_printf(bio_err, "-in file        input file\n");
 171                 BIO_printf(bio_err, "-inform X       input format (DER or PEM)\n");
 172                 BIO_printf(bio_err, "-passin arg     input file pass phrase source\n");
 173                 BIO_printf(bio_err, "-outform X      output format (DER or PEM)\n");
 174                 BIO_printf(bio_err, "-out file       output file\n");
 175                 BIO_printf(bio_err, "-passout arg    output file pass phrase source\n");
 176                 BIO_printf(bio_err, "-topk8          output PKCS8 file\n");
 177                 BIO_printf(bio_err, "-nooct          use (nonstandard) no octet format\n");
 178                 BIO_printf(bio_err, "-embed          use (nonstandard) embedded DSA parameters format\n");
 179                 BIO_printf(bio_err, "-nsdb           use (nonstandard) DSA Netscape DB format\n");
 180                 BIO_printf(bio_err, "-noiter         use 1 as iteration count\n");
 181                 BIO_printf(bio_err, "-nocrypt        use or expect unencrypted private key\n");
 182                 BIO_printf(bio_err, "-v2 alg         use PKCS#5 v2.0 and cipher \"alg\"\n");
 183                 BIO_printf(bio_err, "-v1 obj         use PKCS#5 v1.5 and cipher \"alg\"\n");
 184                 BIO_printf(bio_err," -engine e       use engine e, possibly a hardware device.\n");
 185                 return (1);
 186         }
 187
 188         if (engine != NULL)
 189                 {
 190                 if((e = ENGINE_by_id(engine)) == NULL)
 191                         {
 192                         BIO_printf(bio_err,"invalid engine \"%s\"\n",
 193                                 engine);
 194                         return (1);
 195                         }
 196                 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
 197                         {
 198                         BIO_printf(bio_err,"can't use that engine\n");
 199                         return (1);
 200                         }
 201                 BIO_printf(bio_err,"engine \"%s\" set.\n", engine);
 202                 /* Free our "structural" reference. */
 203                 ENGINE_free(e);
 204                 }
 205
 206         if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
 207                 BIO_printf(bio_err, "Error getting passwords\n");
 208                 return (1);
 209         }
 210
 211         if ((pbe_nid == -1) && !cipher) pbe_nid = NID_pbeWithMD5AndDES_CBC;
 212
 213         if (infile) {
 214                 if (!(in = BIO_new_file(infile, "rb"))) {
 215                         BIO_printf(bio_err,
 216                                  "Can't open input file %s\n", infile);
 217                         return (1);
 218                 }
 219         } else in = BIO_new_fp (stdin, BIO_NOCLOSE);
 220
 221         if (outfile) {
 222                 if (!(out = BIO_new_file (outfile, "wb"))) {
 223                         BIO_printf(bio_err,
 224                                  "Can't open output file %s\n", outfile);
 225                         return (1);
 226                 }
 227         } else {
 228                 out = BIO_new_fp (stdout, BIO_NOCLOSE);
 229 #ifdef VMS
 230                 {
 231                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 232                         out = BIO_push(tmpbio, out);
 233                 }
 234 #endif
 235         }
 236         if (topk8) {
 237                 if(informat == FORMAT_PEM)
 238                         pkey = PEM_read_bio_PrivateKey(in, NULL, NULL, passin);
 239                 else if(informat == FORMAT_ASN1)
 240                         pkey = d2i_PrivateKey_bio(in, NULL);
 241                 else {
 242                         BIO_printf(bio_err, "Bad format specified for key\n");
 243                         return (1);
 244                 }
 245                 if (!pkey) {
 246                         BIO_printf(bio_err, "Error reading key\n", outfile);
 247                         ERR_print_errors(bio_err);
 248                         return (1);
 249                 }
 250                 BIO_free(in);
 251                 if (!(p8inf = EVP_PKEY2PKCS8_broken(pkey, p8_broken))) {
 252                         BIO_printf(bio_err, "Error converting key\n", outfile);
 253                         ERR_print_errors(bio_err);
 254                         return (1);
 255                 }
 256                 if(nocrypt) {
 257                         if(outformat == FORMAT_PEM)
 258                                 PEM_write_bio_PKCS8_PRIV_KEY_INFO(out, p8inf);
 259                         else if(outformat == FORMAT_ASN1)
 260                                 i2d_PKCS8_PRIV_KEY_INFO_bio(out, p8inf);
 261                         else {
 262                                 BIO_printf(bio_err, "Bad format specified for key\n");
 263                                 return (1);
 264                         }
 265                 } else {
 266                         if(passout) p8pass = passout;
 267                         else {
 268                                 p8pass = pass;
 269                                 EVP_read_pw_string(pass, 50, "Enter Encryption Password:", 1);
 270                         }
 271                         app_RAND_load_file(NULL, bio_err, 0);
 272                         if (!(p8 = PKCS8_encrypt(pbe_nid, cipher,
 273                                         p8pass, strlen(p8pass),
 274                                         NULL, 0, iter, p8inf))) {
 275                                 BIO_printf(bio_err, "Error encrypting key\n",
 276                                                                  outfile);
 277                                 ERR_print_errors(bio_err);
 278                                 return (1);
 279                         }
 280                         app_RAND_write_file(NULL, bio_err);
 281                         if(outformat == FORMAT_PEM)
 282                                 PEM_write_bio_PKCS8(out, p8);
 283                         else if(outformat == FORMAT_ASN1)
 284                                 i2d_PKCS8_bio(out, p8);
 285                         else {
 286                                 BIO_printf(bio_err, "Bad format specified for key\n");
 287                                 return (1);
 288                         }
 289                         X509_SIG_free(p8);
 290                 }
 291                 PKCS8_PRIV_KEY_INFO_free (p8inf);
 292                 EVP_PKEY_free(pkey);
 293                 BIO_free_all(out);
 294                 if(passin) OPENSSL_free(passin);
 295                 if(passout) OPENSSL_free(passout);
 296                 return (0);
 297         }
 298
 299         if(nocrypt) {
 300                 if(informat == FORMAT_PEM)
 301                         p8inf = PEM_read_bio_PKCS8_PRIV_KEY_INFO(in,NULL,NULL, NULL);
 302                 else if(informat == FORMAT_ASN1)
 303                         p8inf = d2i_PKCS8_PRIV_KEY_INFO_bio(in, NULL);
 304                 else {
 305                         BIO_printf(bio_err, "Bad format specified for key\n");
 306                         return (1);
 307                 }
 308         } else {
 309                 if(informat == FORMAT_PEM)
 310                         p8 = PEM_read_bio_PKCS8(in, NULL, NULL, NULL);
 311                 else if(informat == FORMAT_ASN1)
 312                         p8 = d2i_PKCS8_bio(in, NULL);
 313                 else {
 314                         BIO_printf(bio_err, "Bad format specified for key\n");
 315                         return (1);
 316                 }
 317
 318                 if (!p8) {
 319                         BIO_printf (bio_err, "Error reading key\n", outfile);
 320                         ERR_print_errors(bio_err);
 321                         return (1);
 322                 }
 323                 if(passin) p8pass = passin;
 324                 else {
 325                         p8pass = pass;
 326                         EVP_read_pw_string(pass, 50, "Enter Password:", 0);
 327                 }
 328                 p8inf = M_PKCS8_decrypt(p8, p8pass, strlen(p8pass));
 329                 X509_SIG_free(p8);
 330         }
 331
 332         if (!p8inf) {
 333                 BIO_printf(bio_err, "Error decrypting key\n", outfile);
 334                 ERR_print_errors(bio_err);
 335                 return (1);
 336         }
 337
 338         if (!(pkey = EVP_PKCS82PKEY(p8inf))) {
 339                 BIO_printf(bio_err, "Error converting key\n", outfile);
 340                 ERR_print_errors(bio_err);
 341                 return (1);
 342         }
 343
 344         if (p8inf->broken) {
 345                 BIO_printf(bio_err, "Warning: broken key encoding: ");
 346                 switch (p8inf->broken) {
 347                         case PKCS8_NO_OCTET:
 348                         BIO_printf(bio_err, "No Octet String in PrivateKey\n");
 349                         break;
 350
 351                         case PKCS8_EMBEDDED_PARAM:
 352                         BIO_printf(bio_err, "DSA parameters included in PrivateKey\n");
 353                         break;
 354
 355                         case PKCS8_NS_DB:
 356                         BIO_printf(bio_err, "DSA public key include in PrivateKey\n");
 357                         break;
 358
 359                         default:
 360                         BIO_printf(bio_err, "Unknown broken type\n");
 361                         break;
 362                 }
 363         }
 364
 365         PKCS8_PRIV_KEY_INFO_free(p8inf);
 366         if(outformat == FORMAT_PEM)
 367                 PEM_write_bio_PrivateKey(out, pkey, NULL, NULL, 0, NULL, passout);
 368         else if(outformat == FORMAT_ASN1)
 369                 i2d_PrivateKey_bio(out, pkey);
 370         else {
 371                 BIO_printf(bio_err, "Bad format specified for key\n");
 372                         return (1);
 373         }
 374
 375         EVP_PKEY_free(pkey);
 376         BIO_free_all(out);
 377         BIO_free(in);
 378         if(passin) OPENSSL_free(passin);
 379         if(passout) OPENSSL_free(passout);
 380
 381         return (0);
 382 }