tests/test-rijndael.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 "rijndael-api-fst.h"
  23
  24 int
  25 main (int argc, char *argv[])
  26 {
  27   int rc;
  28   rijndaelKeyInstance key;
  29   rijndaelCipherInstance cipher;
  30   char in[RIJNDAEL_BITSPERBLOCK / 8];
  31   char out[RIJNDAEL_BITSPERBLOCK / 8];
  32   char pt[] = "\x00\x00\x00\x00\x00\x00\x00\x00"
  33     "\x00\x00\x00\x00\x00\x00\x00\x00";
  34   char ct[] = "\xC3\x4C\x05\x2C\xC0\xDA\x8D\x73"
  35     "\x45\x1A\xFE\x5F\x03\xBE\x29\x7F";
  36   size_t i;
  37
  38   rc = rijndaelMakeKey (&key, RIJNDAEL_DIR_ENCRYPT,
  39                         128, "00000000000000000000000000000000");
  40   if (rc != 0)
  41     printf ("makeKey failed %d\n", rc);
  42
  43   rc = rijndaelCipherInit (&cipher, RIJNDAEL_MODE_ECB, NULL);
  44   if (rc != 0)
  45     printf ("cipherInit failed %d\n", rc);
  46
  47   memset (in, 0, RIJNDAEL_BITSPERBLOCK / 8);
  48
  49   for (i = 0; i < 10000; i++)
  50     {
  51       rc = rijndaelBlockEncrypt (&cipher, &key, in, 128, out);
  52       if (rc < 0)
  53         printf ("blockEncrypt failed %d\n", rc);
  54
  55       memcpy (in, out, RIJNDAEL_BITSPERBLOCK / 8);
  56     }
  57
  58   if (memcmp (out, ct, RIJNDAEL_BITSPERBLOCK / 8) != 0)
  59     {
  60       size_t i;
  61       printf ("expected:\n");
  62       for (i = 0; i < RIJNDAEL_BITSPERBLOCK / 8; i++)
  63         printf ("%02x ", ct[i] & 0xFF);
  64       printf ("\ncomputed:\n");
  65       for (i = 0; i < RIJNDAEL_BITSPERBLOCK / 8; i++)
  66         printf ("%02x ", out[i] & 0xFF);
  67       printf ("\n");
  68       return 1;
  69     }
  70
  71   rc = rijndaelMakeKey (&key, RIJNDAEL_DIR_DECRYPT,
  72                         128, "00000000000000000000000000000000");
  73   if (rc != 0)
  74     printf ("makeKey failed %d\n", rc);
  75
  76   rc = rijndaelCipherInit (&cipher, RIJNDAEL_MODE_ECB, NULL);
  77   if (rc != 0)
  78     printf ("cipherInit failed %d\n", rc);
  79
  80   for (i = 0; i < 10000; i++)
  81     {
  82       memcpy (in, out, RIJNDAEL_BITSPERBLOCK / 8);
  83
  84       rc = rijndaelBlockDecrypt (&cipher, &key, in, 128, out);
  85       if (rc < 0)
  86         printf ("blockEncrypt failed %d\n", rc);
  87     }
  88
  89   if (memcmp (out, pt, RIJNDAEL_BITSPERBLOCK / 8) != 0)
  90     {
  91       size_t i;
  92       printf ("expected:\n");
  93       for (i = 0; i < RIJNDAEL_BITSPERBLOCK / 8; i++)
  94         printf ("%02x ", pt[i] & 0xFF);
  95       printf ("\ncomputed:\n");
  96       for (i = 0; i < RIJNDAEL_BITSPERBLOCK / 8; i++)
  97         printf ("%02x ", out[i] & 0xFF);
  98       printf ("\n");
  99       return 1;
 100     }
 101
 102   return 0;
 103 }