apps/pkey.c

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