Gecko [ www.ctm-euromeuble.fr ]

Name	Size	Permission	Date
cacert.pem	1.04 KB	-rw-r--r--	2019-09-10 15:16
cakey.pem	891 B	-rw-r--r--	2019-09-10 15:16
cms_comp.c	1.34 KB	-rw-r--r--	2019-09-10 15:16
cms_ddec.c	1.9 KB	-rw-r--r--	2019-09-10 15:16
cms_dec.c	1.65 KB	-rw-r--r--	2019-09-10 15:16
cms_denc.c	2.16 KB	-rw-r--r--	2019-09-10 15:16
cms_enc.c	2.02 KB	-rw-r--r--	2019-09-10 15:16
cms_sign.c	1.93 KB	-rw-r--r--	2019-09-10 15:16
cms_sign2.c	2.07 KB	-rw-r--r--	2019-09-10 15:16
cms_uncomp.c	1.21 KB	-rw-r--r--	2019-09-10 15:16
cms_ver.c	1.78 KB	-rw-r--r--	2019-09-10 15:16
comp.txt	566 B	-rw-r--r--	2019-09-10 15:16
encr.txt	65 B	-rw-r--r--	2019-09-10 15:16
sign.txt	58 B	-rw-r--r--	2019-09-10 15:16
signer.pem	1.82 KB	-rw-r--r--	2019-09-10 15:16
signer2.pem	1.82 KB	-rw-r--r--	2019-09-10 15:16

Rename

/*
 * Copyright 2008-2016 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the OpenSSL license (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
 */

/*
 * S/MIME detached data encrypt example: rarely done but should the need
 * arise this is an example....
 */
#include <openssl/pem.h>
#include <openssl/cms.h>
#include <openssl/err.h>

int main(int argc, char **argv)
{
    BIO *in = NULL, *out = NULL, *tbio = NULL, *dout = NULL;
    X509 *rcert = NULL;
    STACK_OF(X509) *recips = NULL;
    CMS_ContentInfo *cms = NULL;
    int ret = 1;

int flags = CMS_STREAM | CMS_DETACHED;

OpenSSL_add_all_algorithms();
    ERR_load_crypto_strings();

/* Read in recipient certificate */
    tbio = BIO_new_file("signer.pem", "r");

if (!tbio)
        goto err;

rcert = PEM_read_bio_X509(tbio, NULL, 0, NULL);

if (!rcert)
        goto err;

/* Create recipient STACK and add recipient cert to it */
    recips = sk_X509_new_null();

if (!recips || !sk_X509_push(recips, rcert))
        goto err;

/*
     * sk_X509_pop_free will free up recipient STACK and its contents so set
     * rcert to NULL so it isn't freed up twice.
     */
    rcert = NULL;

/* Open content being encrypted */

in = BIO_new_file("encr.txt", "r");

dout = BIO_new_file("smencr.out", "wb");

if (!in)
        goto err;

/* encrypt content */
    cms = CMS_encrypt(recips, in, EVP_des_ede3_cbc(), flags);

if (!cms)
        goto err;

out = BIO_new_file("smencr.pem", "w");
    if (!out)
        goto err;

if (!CMS_final(cms, in, dout, flags))
        goto err;

/* Write out CMS structure without content */
    if (!PEM_write_bio_CMS(out, cms))
        goto err;

ret = 0;

err:

if (ret) {
        fprintf(stderr, "Error Encrypting Data\n");
        ERR_print_errors_fp(stderr);
    }

CMS_ContentInfo_free(cms);
    X509_free(rcert);
    sk_X509_pop_free(recips, X509_free);
    BIO_free(in);
    BIO_free(out);
    BIO_free(dout);
    BIO_free(tbio);
    return ret;
}