1 /* crypto/pkcs7/enc.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 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
