apps/pkey.c

   1 /* apps/pkey.c */
   2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
   3  * project 2006
   4  */
   5 /* ====================================================================
   6  * Copyright (c) 2006 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
  65 #define PROG pkey_main
  66
  67 int MAIN(int, char **);
  68
  69 int MAIN(int argc, char **argv)
  70         {
  71         ENGINE *e = NULL;
  72         char **args, *infile = NULL, *outfile = NULL;
  73         char *passargin = NULL, *passargout = NULL;
  74         BIO *in = NULL, *out = NULL;
  75         const EVP_CIPHER *cipher = NULL;
  76         int informat, outformat;
  77         int pubin = 0, pubout = 0, pubtext = 0, text = 0, noout = 0;
  78         EVP_PKEY *pkey=NULL;
  79         char *passin = NULL, *passout = NULL;
  80         int badarg = 0;
  81 #ifndef OPENSSL_NO_ENGINE
  82         char *engine=NULL;
  83 #endif
  84         int ret = 1;
  85
  86         if (bio_err == NULL)
  87                 bio_err = BIO_new_fp (stderr, BIO_NOCLOSE);
  88
  89         if (!load_config(bio_err, NULL))
  90                 goto end;
  91
  92         informat=FORMAT_PEM;
  93         outformat=FORMAT_PEM;
  94
  95         ERR_load_crypto_strings();
  96         OpenSSL_add_all_algorithms();
  97         args = argv + 1;
  98         while (!badarg && *args && *args[0] == '-')
  99                 {
 100                 if (!strcmp(*args,"-inform"))
 101                         {
 102                         if (args[1])
 103                                 {
 104                                 args++;
 105                                 informat=str2fmt(*args);
 106                                 }
 107                         else badarg = 1;
 108                         }
 109                 else if (!strcmp(*args,"-outform"))
 110                         {
 111                         if (args[1])
 112                                 {
 113                                 args++;
 114                                 outformat=str2fmt(*args);
 115                                 }
 116                         else badarg = 1;
 117                         }
 118                 else if (!strcmp(*args,"-passin"))
 119                         {
 120                         if (!args[1]) goto bad;
 121                         passargin= *(++args);
 122                         }
 123                 else if (!strcmp(*args,"-passout"))
 124                         {
 125                         if (!args[1]) goto bad;
 126                         passargout= *(++args);
 127                         }
 128 #ifndef OPENSSL_NO_ENGINE
 129                 else if (strcmp(*args,"-engine") == 0)
 130                         {
 131                         if (!args[1]) goto bad;
 132                         engine= *(++args);
 133                         }
 134 #endif
 135                 else if (!strcmp (*args, "-in"))
 136                         {
 137                         if (args[1])
 138                                 {
 139                                 args++;
 140                                 infile = *args;
 141                                 }
 142                         else badarg = 1;
 143                         }
 144                 else if (!strcmp (*args, "-out"))
 145                         {
 146                         if (args[1])
 147                                 {
 148                                 args++;
 149                                 outfile = *args;
 150                                 }
 151                         else badarg = 1;
 152                         }
 153                 else if (strcmp(*args,"-pubin") == 0)
 154                         {
 155                         pubin=1;
 156                         pubout=1;
 157                         pubtext=1;
 158                         }
 159                 else if (strcmp(*args,"-pubout") == 0)
 160                         pubout=1;
 161                 else if (strcmp(*args,"-text_pub") == 0)
 162                         {
 163                         pubtext=1;
 164                         text=1;
 165                         }
 166                 else if (strcmp(*args,"-text") == 0)
 167                         text=1;
 168                 else if (strcmp(*args,"-noout") == 0)
 169                         noout=1;
 170                 else
 171                         {
 172                         cipher = EVP_get_cipherbyname(*args + 1);
 173                         if (!cipher)
 174                                 {
 175                                 BIO_printf(bio_err, "Unknown cipher %s\n",
 176                                                                 *args + 1);
 177                                 badarg = 1;
 178                                 }
 179                         }
 180                 args++;
 181                 }
 182
 183         if (badarg)
 184                 {
 185                 bad:
 186                 BIO_printf(bio_err, "Usage pkey [options]\n");
 187                 BIO_printf(bio_err, "where options are\n");
 188                 BIO_printf(bio_err, "-in file        input file\n");
 189                 BIO_printf(bio_err, "-inform X       input format (DER or PEM)\n");
 190                 BIO_printf(bio_err, "-passin arg     input file pass phrase source\n");
 191                 BIO_printf(bio_err, "-outform X      output format (DER or PEM)\n");
 192                 BIO_printf(bio_err, "-out file       output file\n");
 193                 BIO_printf(bio_err, "-passout arg    output file pass phrase source\n");
 194 #ifndef OPENSSL_NO_ENGINE
 195                 BIO_printf(bio_err, "-engine e       use engine e, possibly a hardware device.\n");
 196 #endif
 197                 return 1;
 198                 }
 199
 200 #ifndef OPENSSL_NO_ENGINE
 201         e = setup_engine(bio_err, engine, 0);
 202 #endif
 203
 204         if (!app_passwd(bio_err, passargin, passargout, &passin, &passout))
 205                 {
 206                 BIO_printf(bio_err, "Error getting passwords\n");
 207                 goto end;
 208                 }
 209
 210         if (outfile)
 211                 {
 212                 if (!(out = BIO_new_file (outfile, "wb")))
 213                         {
 214                         BIO_printf(bio_err,
 215                                  "Can't open output file %s\n", outfile);
 216                         goto end;
 217                         }
 218                 }
 219         else
 220                 {
 221                 out = BIO_new_fp (stdout, BIO_NOCLOSE);
 222 #ifdef OPENSSL_SYS_VMS
 223                         {
 224                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 225                         out = BIO_push(tmpbio, out);
 226                         }
 227 #endif
 228                 }
 229
 230         if (pubin)
 231                 pkey = load_pubkey(bio_err, infile, informat, 1,
 232                         passin, e, "Public Key");
 233         else
 234                 pkey = load_key(bio_err, infile, informat, 1,
 235                         passin, e, "key");
 236         if (!pkey)
 237                 goto end;
 238
 239         if (!noout)
 240                 {
 241                 if (outformat == FORMAT_PEM)
 242                         {
 243                         if (pubout)
 244                                 PEM_write_bio_PUBKEY(out,pkey);
 245                         else
 246                                 PEM_write_bio_PrivateKey(out, pkey, cipher,
 247                                                         NULL, 0, NULL, passout);
 248                         }
 249                 else if (outformat == FORMAT_ASN1)
 250                         {
 251                         if (pubout)
 252                                 i2d_PUBKEY_bio(out, pkey);
 253                         else
 254                                 i2d_PrivateKey_bio(out, pkey);
 255                         }
 256                 else
 257                         {
 258                         BIO_printf(bio_err, "Bad format specified for key\n");
 259                         goto end;
 260                         }
 261
 262                 }
 263
 264         if (text)
 265                 {
 266                 if (pubtext)
 267                         EVP_PKEY_print_public(out, pkey, 0, NULL);
 268                 else
 269                         EVP_PKEY_print_private(out, pkey, 0, NULL);
 270                 }
 271
 272         ret = 0;
 273
 274         end:
 275         EVP_PKEY_free(pkey);
 276         BIO_free_all(out);
 277         BIO_free(in);
 278         if (passin)
 279                 OPENSSL_free(passin);
 280         if (passout)
 281                 OPENSSL_free(passout);
 282
 283         return ret;
 284         }