testsuite/arctwo-test.c

   1 /* nettle, low-level cryptographics library
   2  *
   3  * Copyright (C) 2004 Simon Josefsson
   4  * Copyright (C) 2004 Niels Möller
   5  *
   6  * The nettle library is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU Lesser General Public License as published by
   8  * the Free Software Foundation; either version 2.1 of the License, or (at your
   9  * option) any later version.
  10  *
  11  * The nettle library is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  13  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
  14  * License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public License
  17  * along with the nettle library; see the file COPYING.LIB.  If not, write to
  18  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
  19  * MA 02111-1301, USA.
  20  */
  21
  22 #include "testutils.h"
  23 #include "arctwo.h"
  24
  25 /* For tests with obscure values of ebk. */
  26 static void
  27 test_arctwo(unsigned ekb,
  28             const struct tstring *key,
  29             const struct tstring *cleartext,
  30             const struct tstring *ciphertext)
  31 {
  32   struct arctwo_ctx ctx;
  33   uint8_t *data;
  34   unsigned length;
  35
  36   ASSERT (cleartext->length == ciphertext->length);
  37   length = cleartext->length;
  38
  39   data = xalloc(length);
  40
  41   arctwo_set_key_ekb(&ctx, key->length, key->data, ekb);
  42   arctwo_encrypt(&ctx, length, data, cleartext->data);
  43
  44   ASSERT(MEMEQ(length, data, ciphertext->data));
  45
  46   arctwo_decrypt(&ctx, length, data, data);
  47
  48   ASSERT(MEMEQ(length, data, cleartext->data));
  49
  50   free(data);
  51 }
  52
  53 void
  54 test_main(void)
  55 {
  56   /* Test vectors from Peter Gutmann's paper. */
  57   test_cipher(&nettle_arctwo_gutmann128,
  58               SHEX("00000000 00000000 00000000 00000000"),
  59               SHEX("00000000 00000000"),
  60               SHEX("1c198a83 8df028b7"));
  61
  62   test_cipher(&nettle_arctwo_gutmann128,
  63               SHEX("00010203 04050607 08090a0b 0c0d0e0f"),
  64               SHEX("00000000 00000000"),
  65               SHEX("50dc0162 bd757f31"));
  66
  67   /* This one was checked against libmcrypt's RFC2268. */
  68   test_cipher(&nettle_arctwo_gutmann128,
  69               SHEX("30000000 00000000 00000000 00000000"),
  70               SHEX("10000000 00000000"),
  71               SHEX("8fd10389 336bf95e"));
  72
  73   /* Test vectors from RFC 2268. */
  74   test_cipher(&nettle_arctwo64,
  75               SHEX("ffffffff ffffffff"),
  76               SHEX("ffffffff ffffffff"),
  77               SHEX("278b27e4 2e2f0d49"));
  78
  79   test_cipher(&nettle_arctwo64,
  80               SHEX("30000000 00000000"),
  81               SHEX("10000000 00000001"),
  82               SHEX("30649edf 9be7d2c2"));
  83
  84   test_cipher(&nettle_arctwo128,
  85               SHEX("88bca90e 90875a7f 0f79c384 627bafb2"),
  86               SHEX("00000000 00000000"),
  87               SHEX("2269552a b0f85ca6"));
  88
  89   /* More obscure tests from RFC 2286 */
  90   test_arctwo(63,
  91               SHEX("00000000 00000000"),
  92               SHEX("00000000 00000000"),
  93               SHEX("ebb773f9 93278eff"));
  94
  95   test_arctwo(64,
  96               SHEX("88"),
  97               SHEX("00000000 00000000"),
  98               SHEX("61a8a244 adacccf0"));
  99
 100   test_arctwo(64,
 101               SHEX("88bca90e 90875a"),
 102               SHEX("00000000 00000000"),
 103               SHEX("6ccf4308 974c267f"));
 104
 105   test_arctwo(64,
 106               SHEX("88bca90e 90875a7f 0f79c384 627bafb2"),
 107               SHEX("00000000 00000000"),
 108               SHEX("1a807d27 2bbe5db1"));
 109
 110   test_arctwo(129,
 111               SHEX("88bca90e 90875a7f 0f79c384 627bafb2"
 112                    "16f80a6f 85920584 c42fceb0 be255daf 1e"),
 113               SHEX("00000000 00000000"),
 114               SHEX("5b78d3a4 3dfff1f1"));
 115 }