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 <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 PKCS7 *p7;
71 BIO *in;
72 BIO *data,*p7bio;
73 char buf[1024*4];
74 int i;
75 int nodetach=1;
76 char *keyfile = NULL;
77 const EVP_CIPHER *cipher=NULL;
78 STACK_OF(X509) *recips=NULL;
79
80 OpenSSL_add_all_algorithms();
81
82 data=BIO_new(BIO_s_file());
83 while(argc > 1)
84 {
85 if (strcmp(argv[1],"-nd") == 0)
86 {
87 nodetach=1;
88 argv++; argc--;
89 }
90 else if ((strcmp(argv[1],"-c") == 0) && (argc >= 2)) {
91 if(!(cipher = EVP_get_cipherbyname(argv[2]))) {
92 fprintf(stderr, "Unknown cipher %s\n", argv[2]);
93 goto err;
94 }
95 argc-=2;
96 argv+=2;
97 } else if ((strcmp(argv[1],"-k") == 0) && (argc >= 2)) {
98 keyfile = argv[2];
99 argc-=2;
100 argv+=2;
101 if (!(in=BIO_new_file(keyfile,"r"))) goto err;
102 if (!(x509=PEM_read_bio_X509(in,NULL,NULL,NULL)))
103 goto err;
104 if(!recips) recips = sk_X509_new_null();
105 sk_X509_push(recips, x509);
106 BIO_free(in);
107 } else break;
108 }
109
110 if(!recips) {
111 fprintf(stderr, "No recipients\n");
112 goto err;
113 }
114
115 if (!BIO_read_filename(data,argv[1])) goto err;
116
117 p7=PKCS7_new();
118 #if 0
119 BIO_reset(in);
120 if ((pkey=PEM_read_bio_PrivateKey(in,NULL,NULL)) == NULL) goto err;
121 BIO_free(in);
122 PKCS7_set_type(p7,NID_pkcs7_signedAndEnveloped);
123
124 if (PKCS7_add_signature(p7,x509,pkey,EVP_sha1()) == NULL) goto err;
125 /* we may want to add more */
126 PKCS7_add_certificate(p7,x509);
127 #else
128 PKCS7_set_type(p7,NID_pkcs7_enveloped);
129 #endif
130 if(!cipher) {
131 #ifndef OPENSSL_NO_DES
132 cipher = EVP_des_ede3_cbc();
133 #else
134 fprintf(stderr, "No cipher selected\n");
135 goto err;
136 #endif
137 }
138
139 if (!PKCS7_set_cipher(p7,cipher)) goto err;
140 for(i = 0; i < sk_X509_num(recips); i++) {
141 if (!PKCS7_add_recipient(p7,sk_X509_value(recips, i))) goto err;
142 }
143 sk_X509_pop_free(recips, X509_free);
144
145 /* Set the content of the signed to 'data' */
146 /* PKCS7_content_new(p7,NID_pkcs7_data); not used in envelope */
147
148 /* could be used, but not in this version :-)
149 if (!nodetach) PKCS7_set_detached(p7,1);
150 */
151
152 if ((p7bio=PKCS7_dataInit(p7,NULL)) == NULL) goto err;
153
154 for (;;)
155 {
156 i=BIO_read(data,buf,sizeof(buf));
157 if (i <= 0) break;
158 BIO_write(p7bio,buf,i);
159 }
160 BIO_flush(p7bio);
161
162 if (!PKCS7_dataFinal(p7,p7bio)) goto err;
163 BIO_free(p7bio);
164
165 PEM_write_PKCS7(stdout,p7);
166 PKCS7_free(p7);
167
168 exit(0);
169 err:
170 ERR_load_crypto_strings();
171 ERR_print_errors_fp(stderr);
172 exit(1);
173 }
174
175