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=NULL;
  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         if (!load_config(bio_err, NULL))
  94                 goto end;
  95
  96         informat=FORMAT_PEM;
  97         outformat=FORMAT_PEM;
  98
  99         ERR_load_crypto_strings();
 100         OpenSSL_add_all_algorithms();
 101         args = argv + 1;
 102         while (!badarg && *args && *args[0] == '-') {
 103                 if (!strcmp(*args,"-v2")) {
 104                         if (args[1]) {
 105                                 args++;
 106                                 cipher=EVP_get_cipherbyname(*args);
 107                                 if(!cipher) {
 108                                         BIO_printf(bio_err,
 109                                                  "Unknown cipher %s\n", *args);
 110                                         badarg = 1;
 111                                 }
 112                         } else badarg = 1;
 113                 } else if (!strcmp(*args,"-v1")) {
 114                         if (args[1]) {
 115                                 args++;
 116                                 pbe_nid=OBJ_txt2nid(*args);
 117                                 if(pbe_nid == NID_undef) {
 118                                         BIO_printf(bio_err,
 119                                                  "Unknown PBE algorithm %s\n", *args);
 120                                         badarg = 1;
 121                                 }
 122                         } else badarg = 1;
 123                 } else if (!strcmp(*args,"-inform")) {
 124                         if (args[1]) {
 125                                 args++;
 126                                 informat=str2fmt(*args);
 127                         } else badarg = 1;
 128                 } else if (!strcmp(*args,"-outform")) {
 129                         if (args[1]) {
 130                                 args++;
 131                                 outformat=str2fmt(*args);
 132                         } else badarg = 1;
 133                 } else if (!strcmp (*args, "-topk8")) topk8 = 1;
 134                 else if (!strcmp (*args, "-noiter")) iter = 1;
 135                 else if (!strcmp (*args, "-nocrypt")) nocrypt = 1;
 136                 else if (!strcmp (*args, "-nooct")) p8_broken = PKCS8_NO_OCTET;
 137                 else if (!strcmp (*args, "-nsdb")) p8_broken = PKCS8_NS_DB;
 138                 else if (!strcmp (*args, "-embed")) p8_broken = PKCS8_EMBEDDED_PARAM;
 139                 else if (!strcmp(*args,"-passin"))
 140                         {
 141                         if (!args[1]) goto bad;
 142                         passargin= *(++args);
 143                         }
 144                 else if (!strcmp(*args,"-passout"))
 145                         {
 146                         if (!args[1]) goto bad;
 147                         passargout= *(++args);
 148                         }
 149                 else if (strcmp(*args,"-engine") == 0)
 150                         {
 151                         if (!args[1]) goto bad;
 152                         engine= *(++args);
 153                         }
 154                 else if (!strcmp (*args, "-in")) {
 155                         if (args[1]) {
 156                                 args++;
 157                                 infile = *args;
 158                         } else badarg = 1;
 159                 } else if (!strcmp (*args, "-out")) {
 160                         if (args[1]) {
 161                                 args++;
 162                                 outfile = *args;
 163                         } else badarg = 1;
 164                 } else badarg = 1;
 165                 args++;
 166         }
 167
 168         if (badarg) {
 169                 bad:
 170                 BIO_printf(bio_err, "Usage pkcs8 [options]\n");
 171                 BIO_printf(bio_err, "where options are\n");
 172                 BIO_printf(bio_err, "-in file        input file\n");
 173                 BIO_printf(bio_err, "-inform X       input format (DER or PEM)\n");
 174                 BIO_printf(bio_err, "-passin arg     input file pass phrase source\n");
 175                 BIO_printf(bio_err, "-outform X      output format (DER or PEM)\n");
 176                 BIO_printf(bio_err, "-out file       output file\n");
 177                 BIO_printf(bio_err, "-passout arg    output file pass phrase source\n");
 178                 BIO_printf(bio_err, "-topk8          output PKCS8 file\n");
 179                 BIO_printf(bio_err, "-nooct          use (nonstandard) no octet format\n");
 180                 BIO_printf(bio_err, "-embed          use (nonstandard) embedded DSA parameters format\n");
 181                 BIO_printf(bio_err, "-nsdb           use (nonstandard) DSA Netscape DB format\n");
 182                 BIO_printf(bio_err, "-noiter         use 1 as iteration count\n");
 183                 BIO_printf(bio_err, "-nocrypt        use or expect unencrypted private key\n");
 184                 BIO_printf(bio_err, "-v2 alg         use PKCS#5 v2.0 and cipher \"alg\"\n");
 185                 BIO_printf(bio_err, "-v1 obj         use PKCS#5 v1.5 and cipher \"alg\"\n");
 186                 BIO_printf(bio_err," -engine e       use engine e, possibly a hardware device.\n");
 187                 return (1);
 188         }
 189
 190         e = setup_engine(bio_err, engine, 0);
 191
 192         if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
 193                 BIO_printf(bio_err, "Error getting passwords\n");
 194                 return (1);
 195         }
 196
 197         if ((pbe_nid == -1) && !cipher) pbe_nid = NID_pbeWithMD5AndDES_CBC;
 198
 199         if (infile) {
 200                 if (!(in = BIO_new_file(infile, "rb"))) {
 201                         BIO_printf(bio_err,
 202                                  "Can't open input file %s\n", infile);
 203                         return (1);
 204                 }
 205         } else in = BIO_new_fp (stdin, BIO_NOCLOSE);
 206
 207         if (outfile) {
 208                 if (!(out = BIO_new_file (outfile, "wb"))) {
 209                         BIO_printf(bio_err,
 210                                  "Can't open output file %s\n", outfile);
 211                         return (1);
 212                 }
 213         } else {
 214                 out = BIO_new_fp (stdout, BIO_NOCLOSE);
 215 #ifdef OPENSSL_SYS_VMS
 216                 {
 217                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 218                         out = BIO_push(tmpbio, out);
 219                 }
 220 #endif
 221         }
 222         if (topk8)
 223                 {
 224                 BIO_free(in); /* Not needed in this section */
 225                 pkey = load_key(bio_err, infile, informat, 1,
 226                         passin, e, "key");
 227                 if (!pkey) {
 228                         return (1);
 229                 }
 230                 if (!(p8inf = EVP_PKEY2PKCS8_broken(pkey, p8_broken))) {
 231                         BIO_printf(bio_err, "Error converting key\n", outfile);
 232                         ERR_print_errors(bio_err);
 233                         return (1);
 234                 }
 235                 if(nocrypt) {
 236                         if(outformat == FORMAT_PEM)
 237                                 PEM_write_bio_PKCS8_PRIV_KEY_INFO(out, p8inf);
 238                         else if(outformat == FORMAT_ASN1)
 239                                 i2d_PKCS8_PRIV_KEY_INFO_bio(out, p8inf);
 240                         else {
 241                                 BIO_printf(bio_err, "Bad format specified for key\n");
 242                                 return (1);
 243                         }
 244                 } else {
 245                         if(passout) p8pass = passout;
 246                         else {
 247                                 p8pass = pass;
 248                                 EVP_read_pw_string(pass, 50, "Enter Encryption Password:", 1);
 249                         }
 250                         app_RAND_load_file(NULL, bio_err, 0);
 251                         if (!(p8 = PKCS8_encrypt(pbe_nid, cipher,
 252                                         p8pass, strlen(p8pass),
 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                         app_RAND_write_file(NULL, bio_err);
 260                         if(outformat == FORMAT_PEM)
 261                                 PEM_write_bio_PKCS8(out, p8);
 262                         else if(outformat == FORMAT_ASN1)
 263                                 i2d_PKCS8_bio(out, p8);
 264                         else {
 265                                 BIO_printf(bio_err, "Bad format specified for key\n");
 266                                 return (1);
 267                         }
 268                         X509_SIG_free(p8);
 269                 }
 270                 PKCS8_PRIV_KEY_INFO_free (p8inf);
 271                 EVP_PKEY_free(pkey);
 272                 BIO_free_all(out);
 273                 if(passin) OPENSSL_free(passin);
 274                 if(passout) OPENSSL_free(passout);
 275                 return (0);
 276         }
 277
 278         if(nocrypt) {
 279                 if(informat == FORMAT_PEM)
 280                         p8inf = PEM_read_bio_PKCS8_PRIV_KEY_INFO(in,NULL,NULL, NULL);
 281                 else if(informat == FORMAT_ASN1)
 282                         p8inf = d2i_PKCS8_PRIV_KEY_INFO_bio(in, NULL);
 283                 else {
 284                         BIO_printf(bio_err, "Bad format specified for key\n");
 285                         return (1);
 286                 }
 287         } else {
 288                 if(informat == FORMAT_PEM)
 289                         p8 = PEM_read_bio_PKCS8(in, NULL, NULL, NULL);
 290                 else if(informat == FORMAT_ASN1)
 291                         p8 = d2i_PKCS8_bio(in, NULL);
 292                 else {
 293                         BIO_printf(bio_err, "Bad format specified for key\n");
 294                         return (1);
 295                 }
 296
 297                 if (!p8) {
 298                         BIO_printf (bio_err, "Error reading key\n", outfile);
 299                         ERR_print_errors(bio_err);
 300                         return (1);
 301                 }
 302                 if(passin) p8pass = passin;
 303                 else {
 304                         p8pass = pass;
 305                         EVP_read_pw_string(pass, 50, "Enter Password:", 0);
 306                 }
 307                 p8inf = PKCS8_decrypt(p8, p8pass, strlen(p8pass));
 308                 X509_SIG_free(p8);
 309         }
 310
 311         if (!p8inf) {
 312                 BIO_printf(bio_err, "Error decrypting key\n", outfile);
 313                 ERR_print_errors(bio_err);
 314                 return (1);
 315         }
 316
 317         if (!(pkey = EVP_PKCS82PKEY(p8inf))) {
 318                 BIO_printf(bio_err, "Error converting key\n", outfile);
 319                 ERR_print_errors(bio_err);
 320                 return (1);
 321         }
 322
 323         if (p8inf->broken) {
 324                 BIO_printf(bio_err, "Warning: broken key encoding: ");
 325                 switch (p8inf->broken) {
 326                         case PKCS8_NO_OCTET:
 327                         BIO_printf(bio_err, "No Octet String in PrivateKey\n");
 328                         break;
 329
 330                         case PKCS8_EMBEDDED_PARAM:
 331                         BIO_printf(bio_err, "DSA parameters included in PrivateKey\n");
 332                         break;
 333
 334                         case PKCS8_NS_DB:
 335                         BIO_printf(bio_err, "DSA public key include in PrivateKey\n");
 336                         break;
 337
 338                         default:
 339                         BIO_printf(bio_err, "Unknown broken type\n");
 340                         break;
 341                 }
 342         }
 343
 344         PKCS8_PRIV_KEY_INFO_free(p8inf);
 345         if(outformat == FORMAT_PEM)
 346                 PEM_write_bio_PrivateKey(out, pkey, NULL, NULL, 0, NULL, passout);
 347         else if(outformat == FORMAT_ASN1)
 348                 i2d_PrivateKey_bio(out, pkey);
 349         else {
 350                 BIO_printf(bio_err, "Bad format specified for key\n");
 351                         return (1);
 352         }
 353
 354         end:
 355         EVP_PKEY_free(pkey);
 356         BIO_free_all(out);
 357         BIO_free(in);
 358         if(passin) OPENSSL_free(passin);
 359         if(passout) OPENSSL_free(passout);
 360
 361         return (0);
 362 }