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1 /* crypto/pkcs7/sign.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 <string.h>
60 #include <openssl/bio.h>
61 #include <openssl/x509.h>
62 #include <openssl/pem.h>
63 #include <openssl/err.h>
64 
main(argc,argv)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