mirror of https://github.com/openssl/openssl.git
59 lines
1.2 KiB
C
59 lines
1.2 KiB
C
/*
|
|
* Copyright 2008-2016 The OpenSSL Project Authors. All Rights Reserved.
|
|
*
|
|
* Licensed under the Apache License 2.0 (the "License"). You may not use
|
|
* this file except in compliance with the License. You can obtain a copy
|
|
* in the file LICENSE in the source distribution or at
|
|
* https://www.openssl.org/source/license.html
|
|
*/
|
|
|
|
/* Simple S/MIME uncompression example */
|
|
#include <openssl/pem.h>
|
|
#include <openssl/cms.h>
|
|
#include <openssl/err.h>
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
BIO *in = NULL, *out = NULL;
|
|
CMS_ContentInfo *cms = NULL;
|
|
int ret = 1;
|
|
|
|
OpenSSL_add_all_algorithms();
|
|
ERR_load_crypto_strings();
|
|
|
|
/* Open compressed content */
|
|
|
|
in = BIO_new_file("smcomp.txt", "r");
|
|
|
|
if (!in)
|
|
goto err;
|
|
|
|
/* Sign content */
|
|
cms = SMIME_read_CMS(in, NULL);
|
|
|
|
if (!cms)
|
|
goto err;
|
|
|
|
out = BIO_new_file("smuncomp.txt", "w");
|
|
if (!out)
|
|
goto err;
|
|
|
|
/* Uncompress S/MIME message */
|
|
if (!CMS_uncompress(cms, out, NULL, 0))
|
|
goto err;
|
|
|
|
ret = 0;
|
|
|
|
err:
|
|
|
|
if (ret) {
|
|
fprintf(stderr, "Error Uncompressing Data\n");
|
|
ERR_print_errors_fp(stderr);
|
|
}
|
|
|
|
CMS_ContentInfo_free(cms);
|
|
BIO_free(in);
|
|
BIO_free(out);
|
|
return ret;
|
|
}
|