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         ENGINE *e = NULL;
  74         char **args, *infile = NULL, *outfile = NULL;
  75         char *passargin = NULL, *passargout = NULL;
  76         BIO *in = NULL, *out = NULL;
  77         int topk8 = 0;
  78         int pbe_nid = -1;
  79         const EVP_CIPHER *cipher = NULL;
  80         int iter = PKCS12_DEFAULT_ITER;
  81         int informat, outformat;
  82         int p8_broken = PKCS8_OK;
  83         int nocrypt = 0;
  84         X509_SIG *p8;
  85         PKCS8_PRIV_KEY_INFO *p8inf;
  86         EVP_PKEY *pkey;
  87         char pass[50], *passin = NULL, *passout = NULL, *p8pass = NULL;
  88         int badarg = 0;
  89         char *engine=NULL;
  90
  91         if (bio_err == NULL) bio_err = BIO_new_fp (stderr, BIO_NOCLOSE);
  92
  93         informat=FORMAT_PEM;
  94         outformat=FORMAT_PEM;
  95
  96         ERR_load_crypto_strings();
  97         OpenSSL_add_all_algorithms();
  98         args = argv + 1;
  99         while (!badarg && *args && *args[0] == '-') {
 100                 if (!strcmp(*args,"-v2")) {
 101                         if (args[1]) {
 102                                 args++;
 103                                 cipher=EVP_get_cipherbyname(*args);
 104                                 if(!cipher) {
 105                                         BIO_printf(bio_err,
 106                                                  "Unknown cipher %s\n", *args);
 107                                         badarg = 1;
 108                                 }
 109                         } else badarg = 1;
 110                 } else if (!strcmp(*args,"-v1")) {
 111                         if (args[1]) {
 112                                 args++;
 113                                 pbe_nid=OBJ_txt2nid(*args);
 114                                 if(pbe_nid == NID_undef) {
 115                                         BIO_printf(bio_err,
 116                                                  "Unknown PBE algorithm %s\n", *args);
 117                                         badarg = 1;
 118                                 }
 119                         } else badarg = 1;
 120                 } else if (!strcmp(*args,"-inform")) {
 121                         if (args[1]) {
 122                                 args++;
 123                                 informat=str2fmt(*args);
 124                         } else badarg = 1;
 125                 } else if (!strcmp(*args,"-outform")) {
 126                         if (args[1]) {
 127                                 args++;
 128                                 outformat=str2fmt(*args);
 129                         } else badarg = 1;
 130                 } else if (!strcmp (*args, "-topk8")) topk8 = 1;
 131                 else if (!strcmp (*args, "-noiter")) iter = 1;
 132                 else if (!strcmp (*args, "-nocrypt")) nocrypt = 1;
 133                 else if (!strcmp (*args, "-nooct")) p8_broken = PKCS8_NO_OCTET;
 134                 else if (!strcmp (*args, "-nsdb")) p8_broken = PKCS8_NS_DB;
 135                 else if (!strcmp (*args, "-embed")) p8_broken = PKCS8_EMBEDDED_PARAM;
 136                 else if (!strcmp(*args,"-passin"))
 137                         {
 138                         if (!args[1]) goto bad;
 139                         passargin= *(++args);
 140                         }
 141                 else if (!strcmp(*args,"-passout"))
 142                         {
 143                         if (!args[1]) goto bad;
 144                         passargout= *(++args);
 145                         }
 146                 else if (strcmp(*args,"-engine") == 0)
 147                         {
 148                         if (!args[1]) goto bad;
 149                         engine= *(++args);
 150                         }
 151                 else if (!strcmp (*args, "-in")) {
 152                         if (args[1]) {
 153                                 args++;
 154                                 infile = *args;
 155                         } else badarg = 1;
 156                 } else if (!strcmp (*args, "-out")) {
 157                         if (args[1]) {
 158                                 args++;
 159                                 outfile = *args;
 160                         } else badarg = 1;
 161                 } else badarg = 1;
 162                 args++;
 163         }
 164
 165         if (badarg) {
 166                 bad:
 167                 BIO_printf(bio_err, "Usage pkcs8 [options]\n");
 168                 BIO_printf(bio_err, "where options are\n");
 169                 BIO_printf(bio_err, "-in file        input file\n");
 170                 BIO_printf(bio_err, "-inform X       input format (DER or PEM)\n");
 171                 BIO_printf(bio_err, "-passin arg     input file pass phrase source\n");
 172                 BIO_printf(bio_err, "-outform X      output format (DER or PEM)\n");
 173                 BIO_printf(bio_err, "-out file       output file\n");
 174                 BIO_printf(bio_err, "-passout arg    output file pass phrase source\n");
 175                 BIO_printf(bio_err, "-topk8          output PKCS8 file\n");
 176                 BIO_printf(bio_err, "-nooct          use (nonstandard) no octet format\n");
 177                 BIO_printf(bio_err, "-embed          use (nonstandard) embedded DSA parameters format\n");
 178                 BIO_printf(bio_err, "-nsdb           use (nonstandard) DSA Netscape DB format\n");
 179                 BIO_printf(bio_err, "-noiter         use 1 as iteration count\n");
 180                 BIO_printf(bio_err, "-nocrypt        use or expect unencrypted private key\n");
 181                 BIO_printf(bio_err, "-v2 alg         use PKCS#5 v2.0 and cipher \"alg\"\n");
 182                 BIO_printf(bio_err, "-v1 obj         use PKCS#5 v1.5 and cipher \"alg\"\n");
 183                 BIO_printf(bio_err," -engine e       use engine e, possibly a hardware device.\n");
 184                 return (1);
 185         }
 186
 187         e = setup_engine(bio_err, engine, 0);
 188
 189         if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
 190                 BIO_printf(bio_err, "Error getting passwords\n");
 191                 return (1);
 192         }
 193
 194         if ((pbe_nid == -1) && !cipher) pbe_nid = NID_pbeWithMD5AndDES_CBC;
 195
 196         if (infile) {
 197                 if (!(in = BIO_new_file(infile, "rb"))) {
 198                         BIO_printf(bio_err,
 199                                  "Can't open input file %s\n", infile);
 200                         return (1);
 201                 }
 202         } else in = BIO_new_fp (stdin, BIO_NOCLOSE);
 203
 204         if (outfile) {
 205                 if (!(out = BIO_new_file (outfile, "wb"))) {
 206                         BIO_printf(bio_err,
 207                                  "Can't open output file %s\n", outfile);
 208                         return (1);
 209                 }
 210         } else {
 211                 out = BIO_new_fp (stdout, BIO_NOCLOSE);
 212 #ifdef OPENSSL_SYS_VMS
 213                 {
 214                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 215                         out = BIO_push(tmpbio, out);
 216                 }
 217 #endif
 218         }
 219         if (topk8)
 220                 {
 221                 BIO_free(in); /* Not needed in this section */
 222                 pkey = load_key(bio_err, infile, informat, passin, e, "key");
 223                 if (!pkey) {
 224                         return (1);
 225                 }
 226                 if (!(p8inf = EVP_PKEY2PKCS8_broken(pkey, p8_broken))) {
 227                         BIO_printf(bio_err, "Error converting key\n", outfile);
 228                         ERR_print_errors(bio_err);
 229                         return (1);
 230                 }
 231                 if(nocrypt) {
 232                         if(outformat == FORMAT_PEM)
 233                                 PEM_write_bio_PKCS8_PRIV_KEY_INFO(out, p8inf);
 234                         else if(outformat == FORMAT_ASN1)
 235                                 i2d_PKCS8_PRIV_KEY_INFO_bio(out, p8inf);
 236                         else {
 237                                 BIO_printf(bio_err, "Bad format specified for key\n");
 238                                 return (1);
 239                         }
 240                 } else {
 241                         if(passout) p8pass = passout;
 242                         else {
 243                                 p8pass = pass;
 244                                 EVP_read_pw_string(pass, 50, "Enter Encryption Password:", 1);
 245                         }
 246                         app_RAND_load_file(NULL, bio_err, 0);
 247                         if (!(p8 = PKCS8_encrypt(pbe_nid, cipher,
 248                                         p8pass, strlen(p8pass),
 249                                         NULL, 0, iter, p8inf))) {
 250                                 BIO_printf(bio_err, "Error encrypting key\n",
 251                                                                  outfile);
 252                                 ERR_print_errors(bio_err);
 253                                 return (1);
 254                         }
 255                         app_RAND_write_file(NULL, bio_err);
 256                         if(outformat == FORMAT_PEM)
 257                                 PEM_write_bio_PKCS8(out, p8);
 258                         else if(outformat == FORMAT_ASN1)
 259                                 i2d_PKCS8_bio(out, p8);
 260                         else {
 261                                 BIO_printf(bio_err, "Bad format specified for key\n");
 262                                 return (1);
 263                         }
 264                         X509_SIG_free(p8);
 265                 }
 266                 PKCS8_PRIV_KEY_INFO_free (p8inf);
 267                 EVP_PKEY_free(pkey);
 268                 BIO_free_all(out);
 269                 if(passin) OPENSSL_free(passin);
 270                 if(passout) OPENSSL_free(passout);
 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) p8pass = passin;
 299                 else {
 300                         p8pass = pass;
 301                         EVP_read_pw_string(pass, 50, "Enter Password:", 0);
 302                 }
 303                 p8inf = PKCS8_decrypt(p8, p8pass, strlen(p8pass));
 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, NULL, 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_all(out);
 352         BIO_free(in);
 353         if(passin) OPENSSL_free(passin);
 354         if(passout) OPENSSL_free(passout);
 355
 356         return (0);
 357 }