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/*
* Copyright (C) 2024 Red Hat, Inc.
*
* Author: Zoltan Fridrich
*
* This file is part of GnuTLS.
*
* GnuTLS is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* GnuTLS is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>
*/
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <gnutls/abstract.h>
#include <gnutls/gnutls.h>
static const char pem[] =
"-----BEGIN RSA PRIVATE KEY-----\n"
"MIICXAIBAAKBgQC7ZkP18sXXtozMxd/1iDuxyUtqDqGtIFBACIChT1yj0Phsz+Y8\n"
"9+wEdhMXi2SJIlvA3VN8O+18BLuAuSi+jpvGjqClEsv1Vx6i57u3M0mf47tKrmpN\n"
"aP/JEeIyjc49gAuNde/YAIGPKAQDoCKNYQQH+rY3fSEHSdIJYWmYkKNYqQIDAQAB\n"
"AoGADpmARG5CQxS+AesNkGmpauepiCz1JBF/JwnyiX6vEzUh0Ypd39SZztwrDxvF\n"
"PJjQaKVljml1zkJpIDVsqvHdyVdse8M+Qn6hw4x2p5rogdvhhIL1mdWo7jWeVJTF\n"
"RKB7zLdMPs3ySdtcIQaF9nUAQ2KJEvldkO3m/bRJFEp54k0CQQDYy+RlTmwRD6hy\n"
"7UtMjR0H3CSZJeQ8svMCxHLmOluG9H1UKk55ZBYfRTsXniqUkJBZ5wuV1L+pR9EK\n"
"ca89a+1VAkEA3UmBelwEv2u9cAU1QjKjmwju1JgXbrjEohK+3B5y0ESEXPAwNQT9\n"
"TrDM1m9AyxYTWLxX93dI5QwNFJtmbtjeBQJARSCWXhsoaDRG8QZrCSjBxfzTCqZD\n"
"ZXtl807ymCipgJm60LiAt0JLr4LiucAsMZz6+j+quQbSakbFCACB8SLV1QJBAKZQ\n"
"YKf+EPNtnmta/rRKKvySsi3GQZZN+Dt3q0r094XgeTsAqrqujVNfPhTMeP4qEVBX\n"
"/iVX2cmMTSh3w3z8MaECQEp0XJWDVKOwcTW6Ajp9SowtmiZ3YDYo1LF9igb4iaLv\n"
"sWZGfbnU3ryjvkb6YuFjgtzbZDZHWQCo8/cOtOBmPdk=\n"
"-----END RSA PRIVATE KEY-----\n";
const gnutls_datum_t privkey_datum = { (void *)pem, sizeof(pem) };
const gnutls_datum_t in_message = { (void *)"hello", 5 };
int main(void)
{
int ret = EXIT_FAILURE;
gnutls_datum_t crypt = { NULL, 0 };
gnutls_datum_t out_message = { NULL, 0 };
gnutls_pubkey_t pubkey = NULL;
gnutls_privkey_t privkey = NULL;
gnutls_global_init();
assert(gnutls_privkey_init(&privkey) >= 0);
assert(gnutls_pubkey_init(&pubkey) >= 0);
assert(gnutls_privkey_import_x509_raw(privkey, &privkey_datum,
GNUTLS_X509_FMT_PEM, NULL,
0) >= 0);
assert(gnutls_pubkey_import_privkey(pubkey, privkey, 0, 0) >= 0);
if (gnutls_pubkey_encrypt_data(pubkey, 0, &in_message, &crypt) < 0 ||
gnutls_privkey_decrypt_data(privkey, 0, &crypt, &out_message) < 0)
goto cleanup;
assert(in_message.size == out_message.size);
assert(memcmp(out_message.data, in_message.data, in_message.size) == 0);
ret = EXIT_SUCCESS;
cleanup:
gnutls_free(crypt.data);
gnutls_free(out_message.data);
gnutls_privkey_deinit(privkey);
gnutls_pubkey_deinit(pubkey);
gnutls_global_deinit();
return ret;
}
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