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      1 /* crypto/pkcs7/sign.c */
      2 /* Copyright (C) 1995-1998 Eric Young (eay (at) cryptsoft.com)
      3  * All rights reserved.
      4  *
      5  * This package is an SSL implementation written
      6  * by Eric Young (eay (at) 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 (at) 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 (at) 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 (at) 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 <string.h>
     60 #include <openssl/bio.h>
     61 #include <openssl/x509.h>
     62 #include <openssl/pem.h>
     63 #include <openssl/err.h>
     64 
     65 int main(argc,argv)
     66 int argc;
     67 char *argv[];
     68 	{
     69 	X509 *x509;
     70 	EVP_PKEY *pkey;
     71 	PKCS7 *p7;
     72 	PKCS7_SIGNER_INFO *si;
     73 	BIO *in;
     74 	BIO *data,*p7bio;
     75 	char buf[1024*4];
     76 	int i;
     77 	int nodetach=0;
     78 
     79 #ifndef OPENSSL_NO_MD2
     80 	EVP_add_digest(EVP_md2());
     81 #endif
     82 #ifndef OPENSSL_NO_MD5
     83 	EVP_add_digest(EVP_md5());
     84 #endif
     85 #ifndef OPENSSL_NO_SHA1
     86 	EVP_add_digest(EVP_sha1());
     87 #endif
     88 #ifndef OPENSSL_NO_MDC2
     89 	EVP_add_digest(EVP_mdc2());
     90 #endif
     91 
     92 	data=BIO_new(BIO_s_file());
     93 again:
     94 	if (argc > 1)
     95 		{
     96 		if (strcmp(argv[1],"-nd") == 0)
     97 			{
     98 			nodetach=1;
     99 			argv++; argc--;
    100 			goto again;
    101 			}
    102 		if (!BIO_read_filename(data,argv[1]))
    103 			goto err;
    104 		}
    105 	else
    106 		BIO_set_fp(data,stdin,BIO_NOCLOSE);
    107 
    108 	if ((in=BIO_new_file("server.pem","r")) == NULL) goto err;
    109 	if ((x509=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL) goto err;
    110 	BIO_reset(in);
    111 	if ((pkey=PEM_read_bio_PrivateKey(in,NULL,NULL,NULL)) == NULL) goto err;
    112 	BIO_free(in);
    113 
    114 	p7=PKCS7_new();
    115 	PKCS7_set_type(p7,NID_pkcs7_signed);
    116 
    117 	si=PKCS7_add_signature(p7,x509,pkey,EVP_sha1());
    118 	if (si == NULL) goto err;
    119 
    120 	/* If you do this then you get signing time automatically added */
    121 	PKCS7_add_signed_attribute(si, NID_pkcs9_contentType, V_ASN1_OBJECT,
    122 						OBJ_nid2obj(NID_pkcs7_data));
    123 
    124 	/* we may want to add more */
    125 	PKCS7_add_certificate(p7,x509);
    126 
    127 	/* Set the content of the signed to 'data' */
    128 	PKCS7_content_new(p7,NID_pkcs7_data);
    129 
    130 	if (!nodetach)
    131 		PKCS7_set_detached(p7,1);
    132 
    133 	if ((p7bio=PKCS7_dataInit(p7,NULL)) == NULL) goto err;
    134 
    135 	for (;;)
    136 		{
    137 		i=BIO_read(data,buf,sizeof(buf));
    138 		if (i <= 0) break;
    139 		BIO_write(p7bio,buf,i);
    140 		}
    141 
    142 	if (!PKCS7_dataFinal(p7,p7bio)) goto err;
    143 	BIO_free(p7bio);
    144 
    145 	PEM_write_PKCS7(stdout,p7);
    146 	PKCS7_free(p7);
    147 
    148 	exit(0);
    149 err:
    150 	ERR_load_crypto_strings();
    151 	ERR_print_errors_fp(stderr);
    152 	exit(1);
    153 	}
    154 
    155