/* crypto/pkcs7/enc.c */ /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) * All rights reserved. * * This package is an SSL implementation written * by Eric Young (eay@cryptsoft.com). * The implementation was written so as to conform with Netscapes SSL. * * This library is free for commercial and non-commercial use as long as * the following conditions are aheared to. The following conditions * apply to all code found in this distribution, be it the RC4, RSA, * lhash, DES, etc., code; not just the SSL code. The SSL documentation * included with this distribution is covered by the same copyright terms * except that the holder is Tim Hudson (tjh@cryptsoft.com). * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * If this package is used in a product, Eric Young should be given attribution * as the author of the parts of the library used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * "This product includes cryptographic software written by * Eric Young (eay@cryptsoft.com)" * The word 'cryptographic' can be left out if the rouines from the library * being used are not cryptographic related :-). * 4. If you include any Windows specific code (or a derivative thereof) from * the apps directory (application code) you must include an acknowledgement: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence * [including the GNU Public Licence.] */ #include <stdio.h> #include <string.h> #include <openssl/bio.h> #include <openssl/x509.h> #include <openssl/pem.h> #include <openssl/err.h> int main(argc,argv) int argc; char *argv[]; { X509 *x509; PKCS7 *p7; BIO *in; BIO *data,*p7bio; char buf[1024*4]; int i; int nodetach=1; char *keyfile = NULL; const EVP_CIPHER *cipher=NULL; STACK_OF(X509) *recips=NULL; OpenSSL_add_all_algorithms(); data=BIO_new(BIO_s_file()); while(argc > 1) { if (strcmp(argv[1],"-nd") == 0) { nodetach=1; argv++; argc--; } else if ((strcmp(argv[1],"-c") == 0) && (argc >= 2)) { if(!(cipher = EVP_get_cipherbyname(argv[2]))) { fprintf(stderr, "Unknown cipher %s\n", argv[2]); goto err; } argc-=2; argv+=2; } else if ((strcmp(argv[1],"-k") == 0) && (argc >= 2)) { keyfile = argv[2]; argc-=2; argv+=2; if (!(in=BIO_new_file(keyfile,"r"))) goto err; if (!(x509=PEM_read_bio_X509(in,NULL,NULL,NULL))) goto err; if(!recips) recips = sk_X509_new_null(); sk_X509_push(recips, x509); BIO_free(in); } else break; } if(!recips) { fprintf(stderr, "No recipients\n"); goto err; } if (!BIO_read_filename(data,argv[1])) goto err; p7=PKCS7_new(); #if 0 BIO_reset(in); if ((pkey=PEM_read_bio_PrivateKey(in,NULL,NULL)) == NULL) goto err; BIO_free(in); PKCS7_set_type(p7,NID_pkcs7_signedAndEnveloped); if (PKCS7_add_signature(p7,x509,pkey,EVP_sha1()) == NULL) goto err; /* we may want to add more */ PKCS7_add_certificate(p7,x509); #else PKCS7_set_type(p7,NID_pkcs7_enveloped); #endif if(!cipher) { #ifndef NO_DES cipher = EVP_des_ede3_cbc(); #else fprintf(stderr, "No cipher selected\n"); goto err; #endif } if (!PKCS7_set_cipher(p7,cipher)) goto err; for(i = 0; i < sk_X509_num(recips); i++) { if (!PKCS7_add_recipient(p7,sk_X509_value(recips, i))) goto err; } sk_X509_pop_free(recips, X509_free); /* Set the content of the signed to 'data' */ /* PKCS7_content_new(p7,NID_pkcs7_data); not used in envelope */ /* could be used, but not in this version :-) if (!nodetach) PKCS7_set_detached(p7,1); */ if ((p7bio=PKCS7_dataInit(p7,NULL)) == NULL) goto err; for (;;) { i=BIO_read(data,buf,sizeof(buf)); if (i <= 0) break; BIO_write(p7bio,buf,i); } BIO_flush(p7bio); if (!PKCS7_dataFinal(p7,p7bio)) goto err; BIO_free(p7bio); PEM_write_PKCS7(stdout,p7); PKCS7_free(p7); exit(0); err: ERR_load_crypto_strings(); ERR_print_errors_fp(stderr); exit(1); }