Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 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 | |
| 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 | |