1656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* crypto/pkcs7/enc.c */ 2656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * All rights reserved. 4656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 5656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * This package is an SSL implementation written 6656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * by Eric Young (eay@cryptsoft.com). 7656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * The implementation was written so as to conform with Netscapes SSL. 8656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 9656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * This library is free for commercial and non-commercial use as long as 10656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * the following conditions are aheared to. The following conditions 11656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * apply to all code found in this distribution, be it the RC4, RSA, 12656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * included with this distribution is covered by the same copyright terms 14656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 16656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * Copyright remains Eric Young's, and as such any Copyright notices in 17656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * the code are not to be removed. 18656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * If this package is used in a product, Eric Young should be given attribution 19656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * as the author of the parts of the library used. 20656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * This can be in the form of a textual message at program startup or 21656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * in documentation (online or textual) provided with the package. 22656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 23656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * Redistribution and use in source and binary forms, with or without 24656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * modification, are permitted provided that the following conditions 25656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * are met: 26656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 1. Redistributions of source code must retain the copyright 27656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * notice, this list of conditions and the following disclaimer. 28656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 2. Redistributions in binary form must reproduce the above copyright 29656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * notice, this list of conditions and the following disclaimer in the 30656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * documentation and/or other materials provided with the distribution. 31656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 3. All advertising materials mentioning features or use of this software 32656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * must display the following acknowledgement: 33656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * "This product includes cryptographic software written by 34656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * Eric Young (eay@cryptsoft.com)" 35656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * The word 'cryptographic' can be left out if the rouines from the library 36656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * being used are not cryptographic related :-). 37656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 4. If you include any Windows specific code (or a derivative thereof) from 38656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * the apps directory (application code) you must include an acknowledgement: 39656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 41656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * SUCH DAMAGE. 52656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 53656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * The licence and distribution terms for any publically available version or 54656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * derivative of this code cannot be changed. i.e. this code cannot simply be 55656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * copied and put under another distribution licence 56656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * [including the GNU Public Licence.] 57656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project */ 58656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <stdio.h> 59656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <string.h> 60656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <openssl/bio.h> 61656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <openssl/x509.h> 62656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <openssl/pem.h> 63656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <openssl/err.h> 64656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 65656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectint main(argc,argv) 66656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectint argc; 67656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectchar *argv[]; 68656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 69656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project X509 *x509; 70656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project PKCS7 *p7; 71656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO *in; 72656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO *data,*p7bio; 73656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project char buf[1024*4]; 74656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int i; 75656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int nodetach=1; 76656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project char *keyfile = NULL; 77656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project const EVP_CIPHER *cipher=NULL; 78656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project STACK_OF(X509) *recips=NULL; 79656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 80656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project OpenSSL_add_all_algorithms(); 81656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 82656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project data=BIO_new(BIO_s_file()); 83656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project while(argc > 1) 84656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 85656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (strcmp(argv[1],"-nd") == 0) 86656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 87656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project nodetach=1; 88656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project argv++; argc--; 89656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 90656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project else if ((strcmp(argv[1],"-c") == 0) && (argc >= 2)) { 91656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(!(cipher = EVP_get_cipherbyname(argv[2]))) { 92656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project fprintf(stderr, "Unknown cipher %s\n", argv[2]); 93656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project goto err; 94656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 95656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project argc-=2; 96656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project argv+=2; 97656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } else if ((strcmp(argv[1],"-k") == 0) && (argc >= 2)) { 98656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project keyfile = argv[2]; 99656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project argc-=2; 100656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project argv+=2; 101656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (!(in=BIO_new_file(keyfile,"r"))) goto err; 102656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (!(x509=PEM_read_bio_X509(in,NULL,NULL,NULL))) 103656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project goto err; 104656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(!recips) recips = sk_X509_new_null(); 105656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project sk_X509_push(recips, x509); 106656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO_free(in); 107656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } else break; 108656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 109656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 110656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(!recips) { 111656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project fprintf(stderr, "No recipients\n"); 112656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project goto err; 113656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 114656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 115656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (!BIO_read_filename(data,argv[1])) goto err; 116656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 117656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project p7=PKCS7_new(); 118656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#if 0 119656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO_reset(in); 120656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if ((pkey=PEM_read_bio_PrivateKey(in,NULL,NULL)) == NULL) goto err; 121656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO_free(in); 122656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project PKCS7_set_type(p7,NID_pkcs7_signedAndEnveloped); 123656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 124656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (PKCS7_add_signature(p7,x509,pkey,EVP_sha1()) == NULL) goto err; 125656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* we may want to add more */ 126656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project PKCS7_add_certificate(p7,x509); 127656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#else 128656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project PKCS7_set_type(p7,NID_pkcs7_enveloped); 129656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 130656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(!cipher) { 131656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#ifndef OPENSSL_NO_DES 132656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project cipher = EVP_des_ede3_cbc(); 133656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#else 134656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project fprintf(stderr, "No cipher selected\n"); 135656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project goto err; 136656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 137656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 138656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 139656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (!PKCS7_set_cipher(p7,cipher)) goto err; 140656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project for(i = 0; i < sk_X509_num(recips); i++) { 141656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (!PKCS7_add_recipient(p7,sk_X509_value(recips, i))) goto err; 142656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 143656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project sk_X509_pop_free(recips, X509_free); 144656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 145656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* Set the content of the signed to 'data' */ 146656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* PKCS7_content_new(p7,NID_pkcs7_data); not used in envelope */ 147656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 148656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* could be used, but not in this version :-) 149656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (!nodetach) PKCS7_set_detached(p7,1); 150656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project */ 151656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 152656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if ((p7bio=PKCS7_dataInit(p7,NULL)) == NULL) goto err; 153656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 154656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project for (;;) 155656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 156656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project i=BIO_read(data,buf,sizeof(buf)); 157656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (i <= 0) break; 158656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO_write(p7bio,buf,i); 159656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 160656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO_flush(p7bio); 161656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 162656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (!PKCS7_dataFinal(p7,p7bio)) goto err; 163656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO_free(p7bio); 164656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 165656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project PEM_write_PKCS7(stdout,p7); 166656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project PKCS7_free(p7); 167656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 168656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project exit(0); 169656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projecterr: 170656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ERR_load_crypto_strings(); 171656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ERR_print_errors_fp(stderr); 172656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project exit(1); 173656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 174656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 175