1*0Sstevel@tonic-gate /* crypto/pkcs7/enc.c */
2*0Sstevel@tonic-gate /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3*0Sstevel@tonic-gate * All rights reserved.
4*0Sstevel@tonic-gate *
5*0Sstevel@tonic-gate * This package is an SSL implementation written
6*0Sstevel@tonic-gate * by Eric Young (eay@cryptsoft.com).
7*0Sstevel@tonic-gate * The implementation was written so as to conform with Netscapes SSL.
8*0Sstevel@tonic-gate *
9*0Sstevel@tonic-gate * This library is free for commercial and non-commercial use as long as
10*0Sstevel@tonic-gate * the following conditions are aheared to. The following conditions
11*0Sstevel@tonic-gate * apply to all code found in this distribution, be it the RC4, RSA,
12*0Sstevel@tonic-gate * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13*0Sstevel@tonic-gate * included with this distribution is covered by the same copyright terms
14*0Sstevel@tonic-gate * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15*0Sstevel@tonic-gate *
16*0Sstevel@tonic-gate * Copyright remains Eric Young's, and as such any Copyright notices in
17*0Sstevel@tonic-gate * the code are not to be removed.
18*0Sstevel@tonic-gate * If this package is used in a product, Eric Young should be given attribution
19*0Sstevel@tonic-gate * as the author of the parts of the library used.
20*0Sstevel@tonic-gate * This can be in the form of a textual message at program startup or
21*0Sstevel@tonic-gate * in documentation (online or textual) provided with the package.
22*0Sstevel@tonic-gate *
23*0Sstevel@tonic-gate * Redistribution and use in source and binary forms, with or without
24*0Sstevel@tonic-gate * modification, are permitted provided that the following conditions
25*0Sstevel@tonic-gate * are met:
26*0Sstevel@tonic-gate * 1. Redistributions of source code must retain the copyright
27*0Sstevel@tonic-gate * notice, this list of conditions and the following disclaimer.
28*0Sstevel@tonic-gate * 2. Redistributions in binary form must reproduce the above copyright
29*0Sstevel@tonic-gate * notice, this list of conditions and the following disclaimer in the
30*0Sstevel@tonic-gate * documentation and/or other materials provided with the distribution.
31*0Sstevel@tonic-gate * 3. All advertising materials mentioning features or use of this software
32*0Sstevel@tonic-gate * must display the following acknowledgement:
33*0Sstevel@tonic-gate * "This product includes cryptographic software written by
34*0Sstevel@tonic-gate * Eric Young (eay@cryptsoft.com)"
35*0Sstevel@tonic-gate * The word 'cryptographic' can be left out if the rouines from the library
36*0Sstevel@tonic-gate * being used are not cryptographic related :-).
37*0Sstevel@tonic-gate * 4. If you include any Windows specific code (or a derivative thereof) from
38*0Sstevel@tonic-gate * the apps directory (application code) you must include an acknowledgement:
39*0Sstevel@tonic-gate * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40*0Sstevel@tonic-gate *
41*0Sstevel@tonic-gate * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42*0Sstevel@tonic-gate * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43*0Sstevel@tonic-gate * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44*0Sstevel@tonic-gate * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45*0Sstevel@tonic-gate * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46*0Sstevel@tonic-gate * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47*0Sstevel@tonic-gate * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48*0Sstevel@tonic-gate * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49*0Sstevel@tonic-gate * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50*0Sstevel@tonic-gate * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51*0Sstevel@tonic-gate * SUCH DAMAGE.
52*0Sstevel@tonic-gate *
53*0Sstevel@tonic-gate * The licence and distribution terms for any publically available version or
54*0Sstevel@tonic-gate * derivative of this code cannot be changed. i.e. this code cannot simply be
55*0Sstevel@tonic-gate * copied and put under another distribution licence
56*0Sstevel@tonic-gate * [including the GNU Public Licence.]
57*0Sstevel@tonic-gate */
58*0Sstevel@tonic-gate #include <stdio.h>
59*0Sstevel@tonic-gate #include <string.h>
60*0Sstevel@tonic-gate #include <openssl/bio.h>
61*0Sstevel@tonic-gate #include <openssl/x509.h>
62*0Sstevel@tonic-gate #include <openssl/pem.h>
63*0Sstevel@tonic-gate #include <openssl/err.h>
64*0Sstevel@tonic-gate
main(argc,argv)65*0Sstevel@tonic-gate int main(argc,argv)
66*0Sstevel@tonic-gate int argc;
67*0Sstevel@tonic-gate char *argv[];
68*0Sstevel@tonic-gate {
69*0Sstevel@tonic-gate X509 *x509;
70*0Sstevel@tonic-gate PKCS7 *p7;
71*0Sstevel@tonic-gate BIO *in;
72*0Sstevel@tonic-gate BIO *data,*p7bio;
73*0Sstevel@tonic-gate char buf[1024*4];
74*0Sstevel@tonic-gate int i;
75*0Sstevel@tonic-gate int nodetach=1;
76*0Sstevel@tonic-gate char *keyfile = NULL;
77*0Sstevel@tonic-gate const EVP_CIPHER *cipher=NULL;
78*0Sstevel@tonic-gate STACK_OF(X509) *recips=NULL;
79*0Sstevel@tonic-gate
80*0Sstevel@tonic-gate OpenSSL_add_all_algorithms();
81*0Sstevel@tonic-gate
82*0Sstevel@tonic-gate data=BIO_new(BIO_s_file());
83*0Sstevel@tonic-gate while(argc > 1)
84*0Sstevel@tonic-gate {
85*0Sstevel@tonic-gate if (strcmp(argv[1],"-nd") == 0)
86*0Sstevel@tonic-gate {
87*0Sstevel@tonic-gate nodetach=1;
88*0Sstevel@tonic-gate argv++; argc--;
89*0Sstevel@tonic-gate }
90*0Sstevel@tonic-gate else if ((strcmp(argv[1],"-c") == 0) && (argc >= 2)) {
91*0Sstevel@tonic-gate if(!(cipher = EVP_get_cipherbyname(argv[2]))) {
92*0Sstevel@tonic-gate fprintf(stderr, "Unknown cipher %s\n", argv[2]);
93*0Sstevel@tonic-gate goto err;
94*0Sstevel@tonic-gate }
95*0Sstevel@tonic-gate argc-=2;
96*0Sstevel@tonic-gate argv+=2;
97*0Sstevel@tonic-gate } else if ((strcmp(argv[1],"-k") == 0) && (argc >= 2)) {
98*0Sstevel@tonic-gate keyfile = argv[2];
99*0Sstevel@tonic-gate argc-=2;
100*0Sstevel@tonic-gate argv+=2;
101*0Sstevel@tonic-gate if (!(in=BIO_new_file(keyfile,"r"))) goto err;
102*0Sstevel@tonic-gate if (!(x509=PEM_read_bio_X509(in,NULL,NULL,NULL)))
103*0Sstevel@tonic-gate goto err;
104*0Sstevel@tonic-gate if(!recips) recips = sk_X509_new_null();
105*0Sstevel@tonic-gate sk_X509_push(recips, x509);
106*0Sstevel@tonic-gate BIO_free(in);
107*0Sstevel@tonic-gate } else break;
108*0Sstevel@tonic-gate }
109*0Sstevel@tonic-gate
110*0Sstevel@tonic-gate if(!recips) {
111*0Sstevel@tonic-gate fprintf(stderr, "No recipients\n");
112*0Sstevel@tonic-gate goto err;
113*0Sstevel@tonic-gate }
114*0Sstevel@tonic-gate
115*0Sstevel@tonic-gate if (!BIO_read_filename(data,argv[1])) goto err;
116*0Sstevel@tonic-gate
117*0Sstevel@tonic-gate p7=PKCS7_new();
118*0Sstevel@tonic-gate #if 0
119*0Sstevel@tonic-gate BIO_reset(in);
120*0Sstevel@tonic-gate if ((pkey=PEM_read_bio_PrivateKey(in,NULL,NULL)) == NULL) goto err;
121*0Sstevel@tonic-gate BIO_free(in);
122*0Sstevel@tonic-gate PKCS7_set_type(p7,NID_pkcs7_signedAndEnveloped);
123*0Sstevel@tonic-gate
124*0Sstevel@tonic-gate if (PKCS7_add_signature(p7,x509,pkey,EVP_sha1()) == NULL) goto err;
125*0Sstevel@tonic-gate /* we may want to add more */
126*0Sstevel@tonic-gate PKCS7_add_certificate(p7,x509);
127*0Sstevel@tonic-gate #else
128*0Sstevel@tonic-gate PKCS7_set_type(p7,NID_pkcs7_enveloped);
129*0Sstevel@tonic-gate #endif
130*0Sstevel@tonic-gate if(!cipher) {
131*0Sstevel@tonic-gate #ifndef OPENSSL_NO_DES
132*0Sstevel@tonic-gate cipher = EVP_des_ede3_cbc();
133*0Sstevel@tonic-gate #else
134*0Sstevel@tonic-gate fprintf(stderr, "No cipher selected\n");
135*0Sstevel@tonic-gate goto err;
136*0Sstevel@tonic-gate #endif
137*0Sstevel@tonic-gate }
138*0Sstevel@tonic-gate
139*0Sstevel@tonic-gate if (!PKCS7_set_cipher(p7,cipher)) goto err;
140*0Sstevel@tonic-gate for(i = 0; i < sk_X509_num(recips); i++) {
141*0Sstevel@tonic-gate if (!PKCS7_add_recipient(p7,sk_X509_value(recips, i))) goto err;
142*0Sstevel@tonic-gate }
143*0Sstevel@tonic-gate sk_X509_pop_free(recips, X509_free);
144*0Sstevel@tonic-gate
145*0Sstevel@tonic-gate /* Set the content of the signed to 'data' */
146*0Sstevel@tonic-gate /* PKCS7_content_new(p7,NID_pkcs7_data); not used in envelope */
147*0Sstevel@tonic-gate
148*0Sstevel@tonic-gate /* could be used, but not in this version :-)
149*0Sstevel@tonic-gate if (!nodetach) PKCS7_set_detached(p7,1);
150*0Sstevel@tonic-gate */
151*0Sstevel@tonic-gate
152*0Sstevel@tonic-gate if ((p7bio=PKCS7_dataInit(p7,NULL)) == NULL) goto err;
153*0Sstevel@tonic-gate
154*0Sstevel@tonic-gate for (;;)
155*0Sstevel@tonic-gate {
156*0Sstevel@tonic-gate i=BIO_read(data,buf,sizeof(buf));
157*0Sstevel@tonic-gate if (i <= 0) break;
158*0Sstevel@tonic-gate BIO_write(p7bio,buf,i);
159*0Sstevel@tonic-gate }
160*0Sstevel@tonic-gate BIO_flush(p7bio);
161*0Sstevel@tonic-gate
162*0Sstevel@tonic-gate if (!PKCS7_dataFinal(p7,p7bio)) goto err;
163*0Sstevel@tonic-gate BIO_free(p7bio);
164*0Sstevel@tonic-gate
165*0Sstevel@tonic-gate PEM_write_PKCS7(stdout,p7);
166*0Sstevel@tonic-gate PKCS7_free(p7);
167*0Sstevel@tonic-gate
168*0Sstevel@tonic-gate exit(0);
169*0Sstevel@tonic-gate err:
170*0Sstevel@tonic-gate ERR_load_crypto_strings();
171*0Sstevel@tonic-gate ERR_print_errors_fp(stderr);
172*0Sstevel@tonic-gate exit(1);
173*0Sstevel@tonic-gate }
174*0Sstevel@tonic-gate
175