crypto/pkcs7/enc.c

   1 /* crypto/pkcs7/enc.c */
   2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@cryptsoft.com).
   7  * The implementation was written so as to conform with Netscapes SSL.
   8  *
   9  * This library is free for commercial and non-commercial use as long as
  10  * the following conditions are aheared to.  The following conditions
  11  * apply to all code found in this distribution, be it the RC4, RSA,
  12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  13  * included with this distribution is covered by the same copyright terms
  14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15  *
  16  * Copyright remains Eric Young's, and as such any Copyright notices in
  17  * the code are not to be removed.
  18  * If this package is used in a product, Eric Young should be given attribution
  19  * as the author of the parts of the library used.
  20  * This can be in the form of a textual message at program startup or
  21  * in documentation (online or textual) provided with the package.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the copyright
  27  *    notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *    notice, this list of conditions and the following disclaimer in the
  30  *    documentation and/or other materials provided with the distribution.
  31  * 3. All advertising materials mentioning features or use of this software
  32  *    must display the following acknowledgement:
  33  *    "This product includes cryptographic software written by
  34  *     Eric Young (eay@cryptsoft.com)"
  35  *    The word 'cryptographic' can be left out if the rouines from the library
  36  *    being used are not cryptographic related :-).
  37  * 4. If you include any Windows specific code (or a derivative thereof) from
  38  *    the apps directory (application code) you must include an acknowledgement:
  39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  *
  53  * The licence and distribution terms for any publically available version or
  54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  55  * copied and put under another distribution licence
  56  * [including the GNU Public Licence.]
  57  */
  58 #include <stdio.h>
  59 #include "bio.h"
  60 #include "x509.h"
  61 #include "pem.h"
  62
  63 main(argc,argv)
  64 int argc;
  65 char *argv[];
  66         {
  67         X509 *x509;
  68         EVP_PKEY *pkey;
  69         PKCS7 *p7;
  70         PKCS7 *p7_data;
  71         PKCS7_SIGNER_INFO *si;
  72         BIO *in;
  73         BIO *data,*p7bio;
  74         char buf[1024*4];
  75         int i,j;
  76         int nodetach=1;
  77
  78         EVP_add_digest(EVP_sha1());
  79         EVP_add_cipher(EVP_des_ede3_cbc());
  80
  81         data=BIO_new(BIO_s_file());
  82 again:
  83         if (argc > 1)
  84                 {
  85                 if (strcmp(argv[1],"-nd") == 0)
  86                         {
  87                         nodetach=1;
  88                         argv++; argc--;
  89                         goto again;
  90                         }
  91                 if (!BIO_read_filename(data,argv[1]))
  92                         goto err;
  93                 }
  94         else
  95                 BIO_set_fp(data,stdin,BIO_NOCLOSE);
  96
  97         if ((in=BIO_new_file("server.pem","r")) == NULL) goto err;
  98         if ((x509=PEM_read_bio_X509(in,NULL,NULL)) == NULL) goto err;
  99         BIO_reset(in);
 100         if ((pkey=PEM_read_bio_PrivateKey(in,NULL,NULL)) == NULL) goto err;
 101         BIO_free(in);
 102
 103         p7=PKCS7_new();
 104         PKCS7_set_type(p7,NID_pkcs7_signedAndEnveloped);
 105
 106         if (PKCS7_add_signature(p7,x509,pkey,EVP_sha1()) == NULL) goto err;
 107
 108         if (!PKCS7_set_cipher(p7,EVP_des_ede3_cbc())) goto err;
 109         if (PKCS7_add_recipient(p7,x509) == NULL) goto err;
 110
 111         /* we may want to add more */
 112         PKCS7_add_certificate(p7,x509);
 113
 114
 115         /* Set the content of the signed to 'data' */
 116         /* PKCS7_content_new(p7,NID_pkcs7_data); not used in envelope */
 117
 118         /* could be used, but not in this version :-)
 119         if (!nodetach) PKCS7_set_detached(p7,1);
 120         */
 121
 122         if ((p7bio=PKCS7_dataInit(p7,NULL)) == NULL) goto err;
 123
 124         for (;;)
 125                 {
 126                 i=BIO_read(data,buf,sizeof(buf));
 127                 if (i <= 0) break;
 128                 BIO_write(p7bio,buf,i);
 129                 }
 130         BIO_flush(p7bio);
 131
 132         if (!PKCS7_dataFinal(p7,p7bio)) goto err;
 133         BIO_free(p7bio);
 134
 135         PEM_write_PKCS7(stdout,p7);
 136         PKCS7_free(p7);
 137
 138         exit(0);
 139 err:
 140         ERR_load_crypto_strings();
 141         ERR_print_errors_fp(stderr);
 142         exit(1);
 143         }
 144