From aa4d426b4d3527d7e166df1a05058c9a4a0f6683 Mon Sep 17 00:00:00 2001 From: Wojtek Kosior Date: Fri, 30 Apr 2021 00:33:56 +0200 Subject: initial/final commit --- openssl-1.1.0h/demos/cms/cms_dec.c | 78 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 78 insertions(+) create mode 100644 openssl-1.1.0h/demos/cms/cms_dec.c (limited to 'openssl-1.1.0h/demos/cms/cms_dec.c') diff --git a/openssl-1.1.0h/demos/cms/cms_dec.c b/openssl-1.1.0h/demos/cms/cms_dec.c new file mode 100644 index 0000000..4f9428b --- /dev/null +++ b/openssl-1.1.0h/demos/cms/cms_dec.c @@ -0,0 +1,78 @@ +/* + * 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 + */ + +/* Simple S/MIME decryption example */ +#include +#include +#include + +int main(int argc, char **argv) +{ + BIO *in = NULL, *out = NULL, *tbio = NULL; + X509 *rcert = NULL; + EVP_PKEY *rkey = NULL; + CMS_ContentInfo *cms = NULL; + int ret = 1; + + OpenSSL_add_all_algorithms(); + ERR_load_crypto_strings(); + + /* Read in recipient certificate and private key */ + tbio = BIO_new_file("signer.pem", "r"); + + if (!tbio) + goto err; + + rcert = PEM_read_bio_X509(tbio, NULL, 0, NULL); + + BIO_reset(tbio); + + rkey = PEM_read_bio_PrivateKey(tbio, NULL, 0, NULL); + + if (!rcert || !rkey) + goto err; + + /* Open S/MIME message to decrypt */ + + in = BIO_new_file("smencr.txt", "r"); + + if (!in) + goto err; + + /* Parse message */ + cms = SMIME_read_CMS(in, NULL); + + if (!cms) + goto err; + + out = BIO_new_file("decout.txt", "w"); + if (!out) + goto err; + + /* Decrypt S/MIME message */ + if (!CMS_decrypt(cms, rkey, rcert, NULL, out, 0)) + goto err; + + ret = 0; + + err: + + if (ret) { + fprintf(stderr, "Error Decrypting Data\n"); + ERR_print_errors_fp(stderr); + } + + CMS_ContentInfo_free(cms); + X509_free(rcert); + EVP_PKEY_free(rkey); + BIO_free(in); + BIO_free(out); + BIO_free(tbio); + return ret; +} -- cgit v1.2.3