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/* pubkey.c - Public key encryption/decryption tests
* Copyright (C) 2003, 2005 Free Software Foundation, Inc.
*
* This file is part of Libgcrypt.
*
* Libgcrypt 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.
*
* Libgcrypt 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include "../src/gcrypt.h"
static int verbose;
static void
die (const char *format, ...)
{
va_list arg_ptr ;
va_start( arg_ptr, format ) ;
vfprintf (stderr, format, arg_ptr );
va_end(arg_ptr);
exit (1);
}
void
key_copy (gcry_ac_handle_t handle,
gcry_ac_key_type_t type,
gcry_ac_key_t *key_cp, gcry_ac_key_t key)
{
gcry_error_t err = 0;
err = gcry_ac_key_init (key_cp, handle, type,
gcry_ac_key_data_get (key));
assert (! err);
}
void
check_one (gcry_mpi_t x)
{
gcry_ac_handle_t handle;
gcry_ac_key_pair_t key_pair;
gcry_ac_key_t key_sec, key_sec_cp, key_pub, key_pub_cp;
gcry_error_t err = 0;
gcry_mpi_t x2;
gcry_ac_data_t data, data2;
gcry_ac_key_spec_rsa_t rsa_spec;
rsa_spec.e = gcry_mpi_new (0);
gcry_mpi_set_ui (rsa_spec.e, 1);
err = gcry_ac_open (&handle, GCRY_AC_RSA, 0);
assert (! err);
err = gcry_ac_key_pair_generate (handle, 1024, &rsa_spec, &key_pair, NULL);
assert (! err);
key_sec = gcry_ac_key_pair_extract (key_pair, GCRY_AC_KEY_SECRET);
key_copy (handle, GCRY_AC_KEY_SECRET, &key_sec_cp, key_sec);
key_pub = gcry_ac_key_pair_extract (key_pair, GCRY_AC_KEY_PUBLIC);
key_copy (handle, GCRY_AC_KEY_PUBLIC, &key_pub_cp, key_pub);
err = gcry_ac_data_encrypt (handle, GCRY_AC_FLAG_NO_BLINDING, key_pub_cp, x, &data);
assert (! err);
err = gcry_ac_data_decrypt (handle, GCRY_AC_FLAG_NO_BLINDING, key_sec_cp, &x2, data);
assert (! err);
assert (! gcry_mpi_cmp (x, x2));
gcry_ac_data_destroy (data);
err = gcry_ac_data_sign (handle, key_sec, x, &data);
assert (! err);
err = gcry_ac_data_copy (&data2, data);
assert (! err);
gcry_ac_data_destroy (data);
err = gcry_ac_data_copy (&data, data2);
assert (! err);
gcry_ac_data_destroy (data2);
err = gcry_ac_data_verify (handle, key_pub, x, data);
assert (! err);
gcry_ac_data_destroy (data);
err = gcry_ac_data_sign (handle, key_sec, x, &data);
assert (! err);
{
const char *label;
gcry_mpi_t y;
err = gcry_ac_data_get_index (data, 0, 0, &label, &y);
assert (! err);
gcry_mpi_add_ui (y, y, 1);
err = gcry_ac_data_verify (handle, key_pub, x, data);
assert (gcry_err_code (err) == GPG_ERR_BAD_SIGNATURE);
}
gcry_ac_close (handle);
}
void
check_run (void)
{
/*const char *s = "All Hail Discordia."; -- not used */
unsigned int a = 0x4223;
gcry_mpi_t x;
x = gcry_mpi_new (0);
gcry_mpi_set_ui (x, a);
check_one (x);
gcry_mpi_release (x);
}
int
main (int argc, char **argv)
{
int debug = 0;
int i = 1;
if (argc > 1 && !strcmp (argv[1], "--verbose"))
verbose = 1;
else if (argc > 1 && !strcmp (argv[1], "--debug"))
verbose = debug = 1;
gcry_control (GCRYCTL_DISABLE_SECMEM, 0);
if (!gcry_check_version (GCRYPT_VERSION))
die ("version mismatch\n");
gcry_control (GCRYCTL_INITIALIZATION_FINISHED, 0);
if (debug)
gcry_control (GCRYCTL_SET_DEBUG_FLAGS, 1u , 0);
/* No valuable keys are create, so we can speed up our RNG. */
gcry_control (GCRYCTL_ENABLE_QUICK_RANDOM, 0);
for (; i > 0; i--)
check_run ();
return 0;
}
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