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/* t-encrypt-mixed.c - Regression test.
* Copyright (C) 2016 by Bundesamt für Sicherheit in der Informationstechnik
* Software engineering by Intevation GmbH
*
* This file is part of GPGME.
*
* GPGME is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* GPGME 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
* Lesser 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://gnu.org/licenses/>.
* SPDX-License-Identifier: LGPL-2.1-or-later
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <gpgme.h>
#include "t-support.h"
/* Tests mixed symmetric and asymmetric decryption. Verifies
that an encrypted message can be decrypted without the
secret key but that the recipient is also set correctly. */
int
main (void)
{
gpgme_ctx_t ctx;
gpgme_error_t err;
gpgme_data_t in, out;
gpgme_key_t key[2] = { NULL, NULL };
gpgme_encrypt_result_t result;
gpgme_decrypt_result_t dec_result;
gpgme_recipient_t recipient;
const char *text = "Hallo Leute\n";
char *text2;
size_t len;
init_gpgme (GPGME_PROTOCOL_OpenPGP);
err = gpgme_new (&ctx);
fail_if_err (err);
gpgme_set_armor (ctx, 1);
err = gpgme_data_new_from_mem (&in, text, strlen (text), 0);
fail_if_err (err);
err = gpgme_data_new (&out);
fail_if_err (err);
gpgme_set_passphrase_cb (ctx, passphrase_cb, NULL);
/* A recipient for which we don't have a secret key */
err = gpgme_get_key (ctx, "D695676BDCEDCC2CDD6152BCFE180B1DA9E3B0B2",
&key[0], 0);
fail_if_err (err);
err = gpgme_op_encrypt (ctx, key,
GPGME_ENCRYPT_ALWAYS_TRUST | GPGME_ENCRYPT_SYMMETRIC,
in, out);
fail_if_err (err);
result = gpgme_op_encrypt_result (ctx);
if (result->invalid_recipients)
{
fprintf (stderr, "Invalid recipient encountered: %s\n",
result->invalid_recipients->fpr);
exit (1);
}
print_data (out);
/* Now try to decrypt */
gpgme_data_seek (out, 0, SEEK_SET);
gpgme_data_release (in);
err = gpgme_data_new (&in);
fail_if_err (err);
err = gpgme_op_decrypt (ctx, out, in);
fail_if_err (err);
fputs ("Begin Result Decryption:\n", stdout);
print_data (in);
fputs ("End Result.\n", stdout);
dec_result = gpgme_op_decrypt_result (ctx);
if (dec_result->unsupported_algorithm || dec_result->wrong_key_usage)
{
fprintf (stderr, "%s:%d: Decryption failed\n", __FILE__, __LINE__);
exit (1);
}
text2 = gpgme_data_release_and_get_mem (in, &len);
if (strncmp (text, text2, len))
{
fprintf (stderr, "%s:%d: Wrong plaintext\n", __FILE__, __LINE__);
exit (1);
}
recipient = dec_result->recipients;
if (!recipient || recipient->next)
{
fprintf (stderr, "%s:%d: Invalid recipients \n", __FILE__, __LINE__);
exit (1);
}
if (strncmp (recipient->keyid, "5381EA4EE29BA37F", 16))
{
fprintf (stderr, "%s:%d: Not encrypted to recipient's subkey \n", __FILE__, __LINE__);
exit (1);
}
gpgme_key_unref (key[0]);
free (text2);
gpgme_data_release (out);
gpgme_release (ctx);
return 0;
}
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