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/* nettle, low-level cryptographics library
*
* Copyright (C) 2004 Simon Josefsson
* Copyright (C) 2004 Niels Möller
*
* The nettle library 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.
*
* The nettle library 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 the nettle library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
* MA 02111-1307, USA.
*/
#include "testutils.h"
#include "arctwo.h"
/* For tests with obscure values of ebk. */
static void
test_arctwo(unsigned ekb,
unsigned key_length,
const uint8_t *key,
unsigned length,
const uint8_t *cleartext,
const uint8_t *ciphertext)
{
struct arctwo_ctx ctx;
uint8_t *data = xalloc(length);
arctwo_set_key_ekb(&ctx, key_length, key, ekb);
arctwo_encrypt(&ctx, length, data, cleartext);
if (!MEMEQ(length, data, ciphertext))
FAIL();
arctwo_decrypt(&ctx, length, data, data);
if (!MEMEQ(length, data, cleartext))
FAIL();
free(data);
}
int
test_main(void)
{
/* Test vectors from Peter Gutmann's paper. */
test_cipher(&nettle_arctwo_gutmann128,
HL("00000000 00000000 00000000 00000000"),
HL("00000000 00000000"),
H ("1c198a83 8df028b7"));
test_cipher(&nettle_arctwo_gutmann128,
HL("00010203 04050607 08090a0b 0c0d0e0f"),
HL("00000000 00000000"),
H ("50dc0162 bd757f31"));
/* This one was checked against libmcrypt's RFC2268. */
test_cipher(&nettle_arctwo_gutmann128,
HL("30000000 00000000 00000000 00000000"),
HL("10000000 00000000"),
H ("8fd10389 336bf95e"));
/* Test vectors from RFC 2268. */
test_cipher(&nettle_arctwo64,
HL("ffffffff ffffffff"),
HL("ffffffff ffffffff"),
H ("278b27e4 2e2f0d49"));
test_cipher(&nettle_arctwo64,
HL("30000000 00000000"),
HL("10000000 00000001"),
H ("30649edf 9be7d2c2"));
test_cipher(&nettle_arctwo128,
HL("88bca90e 90875a7f 0f79c384 627bafb2"),
HL("00000000 00000000"),
H ("2269552a b0f85ca6"));
/* More obscure tests from RFC 2286 */
test_arctwo(63,
HL("00000000 00000000"),
HL("00000000 00000000"),
H ("ebb773f9 93278eff"));
test_arctwo(64,
HL("88"),
HL("00000000 00000000"),
H ("61a8a244 adacccf0"));
test_arctwo(64,
HL("88bca90e 90875a"),
HL("00000000 00000000"),
H ("6ccf4308 974c267f"));
test_arctwo(64,
HL("88bca90e 90875a7f 0f79c384 627bafb2"),
HL("00000000 00000000"),
H ("1a807d27 2bbe5db1"));
test_arctwo(129,
HL("88bca90e 90875a7f 0f79c384 627bafb2"
"16f80a6f 85920584 c42fceb0 be255daf 1e"),
HL("00000000 00000000"),
H ("5b78d3a4 3dfff1f1"));
SUCCESS ();
}
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