tests/test-arctwo.c

   1 /*
   2  * Copyright (C) 2005, 2010-2017 Free Software Foundation, Inc.
   3  * Written by Simon Josefsson
   4  *
   5  * This program is free software: you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  17
  18 #include <config.h>
  19
  20 #include <stdio.h>
  21 #include <string.h>
  22 #include "arctwo.h"
  23
  24 int
  25 main (int argc, char *argv[])
  26 {
  27   arctwo_context ctx;
  28   char scratch[16];
  29
  30   /* Test vectors from Peter Gutmann's paper. */
  31   static char key_1[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  32     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
  33   };
  34   static char plaintext_1[] =
  35     { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
  36   static const char ciphertext_1[] =
  37     { 0x1C, 0x19, 0x8A, 0x83, 0x8D, 0xF0, 0x28, 0xB7 };
  38
  39   static char key_2[] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
  40     0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F
  41   };
  42   static char plaintext_2[] =
  43     { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
  44   static char ciphertext_2[] =
  45     { 0x50, 0xDC, 0x01, 0x62, 0xBD, 0x75, 0x7F, 0x31 };
  46
  47   /* This one was checked against libmcrypt's RFC2268. */
  48   static char key_3[] = { 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  49     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
  50   };
  51   static char plaintext_3[] =
  52     { 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
  53   static char ciphertext_3[] =
  54     { 0x8f, 0xd1, 0x03, 0x89, 0x33, 0x6b, 0xf9, 0x5e };
  55
  56   /* From RFC2268. */
  57   static char key_4[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
  58   static char plaintext_4[] =
  59     { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
  60   static char ciphertext_4[] =
  61     { 0xeb, 0xb7, 0x73, 0xf9, 0x93, 0x27, 0x8e, 0xff };
  62
  63   static char key_5[] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
  64   static char plaintext_5[] =
  65     { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
  66   static char ciphertext_5[] =
  67     { 0x27, 0x8b, 0x27, 0xe4, 0x2e, 0x2f, 0x0d, 0x49 };
  68
  69   static char key_6[] = { 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
  70   static char plaintext_6[] =
  71     { 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 };
  72   static char ciphertext_6[] =
  73     { 0x30, 0x64, 0x9e, 0xdf, 0x9b, 0xe7, 0xd2, 0xc2 };
  74
  75   /* First test. */
  76   arctwo_setkey_ekb (&ctx, sizeof (key_1), key_1, 0);
  77   arctwo_encrypt (&ctx, plaintext_1, scratch, ARCTWO_BLOCK_SIZE);
  78
  79   if (memcmp (scratch, ciphertext_1, sizeof (ciphertext_1)))
  80     return 1;
  81
  82   arctwo_setkey_ekb (&ctx, sizeof (key_1), key_1, 0);
  83   arctwo_decrypt (&ctx, scratch, scratch, ARCTWO_BLOCK_SIZE);
  84   if (memcmp (scratch, plaintext_1, sizeof (plaintext_1)))
  85     return 1;
  86
  87   /* Second test. */
  88   arctwo_setkey_ekb (&ctx, sizeof (key_2), key_2, 0);
  89   arctwo_encrypt (&ctx, plaintext_2, scratch, ARCTWO_BLOCK_SIZE);
  90   if (memcmp (scratch, ciphertext_2, sizeof (ciphertext_2)))
  91     return 1;
  92
  93   arctwo_setkey_ekb (&ctx, sizeof (key_2), key_2, 0);
  94   arctwo_decrypt (&ctx, scratch, scratch, ARCTWO_BLOCK_SIZE);
  95   if (memcmp (scratch, plaintext_2, sizeof (plaintext_2)))
  96     return 1;
  97
  98   /* Third test. */
  99   arctwo_setkey_ekb (&ctx, sizeof (key_3), key_3, 0);
 100   arctwo_encrypt (&ctx, plaintext_3, scratch, ARCTWO_BLOCK_SIZE);
 101
 102   if (memcmp (scratch, ciphertext_3, sizeof (ciphertext_3)))
 103     return 1;
 104
 105   arctwo_setkey_ekb (&ctx, sizeof (key_3), key_3, 0);
 106   arctwo_decrypt (&ctx, scratch, scratch, ARCTWO_BLOCK_SIZE);
 107   if (memcmp (scratch, plaintext_3, sizeof (plaintext_3)))
 108     return 1;
 109
 110   /* Fourth test. */
 111   arctwo_setkey_ekb (&ctx, sizeof (key_4), key_4, 63);
 112   arctwo_encrypt (&ctx, plaintext_4, scratch, ARCTWO_BLOCK_SIZE);
 113
 114   if (memcmp (scratch, ciphertext_4, sizeof (ciphertext_4)))
 115     {
 116       size_t i;
 117       printf ("expected:\n");
 118       for (i = 0; i < sizeof (ciphertext_4); i++)
 119         printf ("%02x ", ciphertext_4[i] & 0xFF);
 120       printf ("\ncomputed:\n");
 121       for (i = 0; i < sizeof (ciphertext_4); i++)
 122         printf ("%02x ", scratch[i] & 0xFF);
 123       printf ("\n");
 124       return 1;
 125     }
 126
 127   arctwo_setkey_ekb (&ctx, sizeof (key_4), key_4, 63);
 128   arctwo_decrypt (&ctx, scratch, scratch, ARCTWO_BLOCK_SIZE);
 129   if (memcmp (scratch, plaintext_4, sizeof (plaintext_4)))
 130     return 1;
 131
 132   /* Fifth test. */
 133   arctwo_setkey_ekb (&ctx, sizeof (key_5), key_5, 64);
 134   arctwo_encrypt (&ctx, plaintext_5, scratch, ARCTWO_BLOCK_SIZE);
 135
 136   if (memcmp (scratch, ciphertext_5, sizeof (ciphertext_5)))
 137     {
 138       size_t i;
 139       printf ("expected:\n");
 140       for (i = 0; i < sizeof (ciphertext_5); i++)
 141         printf ("%02x ", ciphertext_5[i] & 0xFF);
 142       printf ("\ncomputed:\n");
 143       for (i = 0; i < sizeof (ciphertext_5); i++)
 144         printf ("%02x ", scratch[i] & 0xFF);
 145       printf ("\n");
 146       return 1;
 147     }
 148
 149   arctwo_setkey_ekb (&ctx, sizeof (key_5), key_5, 64);
 150   arctwo_decrypt (&ctx, scratch, scratch, ARCTWO_BLOCK_SIZE);
 151   if (memcmp (scratch, plaintext_5, sizeof (plaintext_5)))
 152     return 1;
 153
 154   /* Sixth test. */
 155   arctwo_setkey_ekb (&ctx, 8, key_6, 64);
 156   arctwo_encrypt (&ctx, plaintext_6, scratch, ARCTWO_BLOCK_SIZE);
 157
 158   if (memcmp (scratch, ciphertext_6, sizeof (ciphertext_6)))
 159     {
 160       size_t i;
 161       printf ("expected:\n");
 162       for (i = 0; i < sizeof (ciphertext_6); i++)
 163         printf ("%02x ", ciphertext_6[i] & 0xFF);
 164       printf ("\ncomputed:\n");
 165       for (i = 0; i < sizeof (ciphertext_6); i++)
 166         printf ("%02x ", scratch[i] & 0xFF);
 167       printf ("\n");
 168       return 1;
 169     }
 170
 171   arctwo_setkey_ekb (&ctx, sizeof (key_6), key_6, 64);
 172   arctwo_decrypt (&ctx, scratch, scratch, ARCTWO_BLOCK_SIZE);
 173   if (memcmp (scratch, plaintext_6, sizeof (plaintext_6)))
 174     return 1;
 175
 176   return 0;
 177 }