]>
git.ipfire.org Git - thirdparty/openssl.git/blob - demos/cms/cms_ver.c
2 * Copyright 2008-2023 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
10 /* Simple S/MIME verification example */
11 #include <openssl/pem.h>
12 #include <openssl/cms.h>
13 #include <openssl/err.h>
15 int main(int argc
, char **argv
)
17 BIO
*in
= NULL
, *out
= NULL
, *tbio
= NULL
, *cont
= NULL
;
18 X509_STORE
*st
= NULL
;
20 CMS_ContentInfo
*cms
= NULL
;
21 int ret
= EXIT_FAILURE
;
23 OpenSSL_add_all_algorithms();
24 ERR_load_crypto_strings();
26 /* Set up trusted CA certificate store */
28 st
= X509_STORE_new();
32 /* Read in CA certificate */
33 tbio
= BIO_new_file("cacert.pem", "r");
38 cacert
= PEM_read_bio_X509(tbio
, NULL
, 0, NULL
);
43 if (!X509_STORE_add_cert(st
, cacert
))
46 /* Open message being verified */
48 in
= BIO_new_file("smout.txt", "r");
54 cms
= SMIME_read_CMS(in
, &cont
);
59 /* File to output verified content to */
60 out
= BIO_new_file("smver.txt", "w");
64 if (!CMS_verify(cms
, NULL
, st
, cont
, out
, 0)) {
65 fprintf(stderr
, "Verification Failure\n");
69 fprintf(stderr
, "Verification Successful\n");
73 if (ret
!= EXIT_SUCCESS
) {
74 fprintf(stderr
, "Error Verifying Data\n");
75 ERR_print_errors_fp(stderr
);
79 CMS_ContentInfo_free(cms
);