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