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Benjamin Palko 2026-10-14 15:54:34 -04:00
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third-party/openssl-1.0.0d/crypto/pkcs7/enc.c vendored Normal file
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/* 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 OPENSSL_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);
}