pintos-os.org Git - pspp/blob - tests/libpspp/cmac-aes256-test.c

   1 /* PSPP - a program for statistical analysis.
   2    Copyright (C) 2013 Free Software Foundation, Inc.
   3
   4    This program is free software: you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation, either version 3 of the License, or
   7    (at your option) any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program.  If not, see <http://www.gnu.org/licenses/>. */
  16
  17 #include <config.h>
  18
  19 #include <string.h>
  20
  21 #include "libpspp/cmac-aes256.h"
  22
  23 #undef NDEBUG
  24 #include <assert.h>
  25
  26 static void
  27 test_cmac (const uint8_t key[32], size_t key_size,
  28            const uint8_t *data, size_t data_size,
  29            const uint8_t *exp_cmac, size_t exp_cmac_size)
  30 {
  31   uint8_t cmac[16];
  32
  33   assert (key_size == 32);
  34   assert (exp_cmac_size <= 16);
  35
  36   cmac_aes256 (key, data, data_size, cmac);
  37   assert (!memcmp (cmac, exp_cmac, exp_cmac_size));
  38 }
  39
  40 /* From NIST CMAC test vectors. */
  41 static void
  42 test_cmac1 (void)
  43 {
  44   static const uint8_t key[] = {
  45     0x0b,0x12,0x2a,0xc8, 0xf3,0x4e,0xd1,0xfe,
  46     0x08,0x2a,0x36,0x25, 0xd1,0x57,0x56,0x14,
  47     0x54,0x16,0x7a,0xc1, 0x45,0xa1,0x0b,0xbf,
  48     0x77,0xc6,0xa7,0x05, 0x96,0xd5,0x74,0xf1
  49   };
  50   static const uint8_t data[] = {
  51     0x49,0x8b,0x53,0xfd, 0xec,0x87,0xed,0xcb,
  52     0xf0,0x70,0x97,0xdc, 0xcd,0xe9,0x3a,0x08,
  53     0x4b,0xad,0x75,0x01, 0xa2,0x24,0xe3,0x88,
  54     0xdf,0x34,0x9c,0xe1, 0x89,0x59,0xfe,0x84,
  55     0x85,0xf8,0xad,0x15, 0x37,0xf0,0xd8,0x96,
  56     0xea,0x73,0xbe,0xdc, 0x72,0x14,0x71,0x3f,
  57   };
  58   static const uint8_t exp_cmac[] = { 0xf6,0x2c,0x46,0x32, 0x9b };
  59
  60   test_cmac (key, sizeof key,
  61              data, sizeof data,
  62              exp_cmac, sizeof exp_cmac);
  63 }
  64
  65 /* CMAC-AES-256 test vectors from NIST's updated SP800-38B examples.  */
  66 static void
  67 test_cmac2 (void)
  68 {
  69   static const uint8_t key[] = {
  70     0x60,0x3d,0xeb,0x10, 0x15,0xca,0x71,0xbe,
  71     0x2b,0x73,0xae,0xf0, 0x85,0x7d,0x77,0x81,
  72     0x1f,0x35,0x2c,0x07, 0x3b,0x61,0x08,0xd7,
  73     0x2d,0x98,0x10,0xa3, 0x09,0x14,0xdf,0xf4,
  74   };
  75   static const uint8_t data[] = {
  76     0x6b,0xc1,0xbe,0xe2, 0x2e,0x40,0x9f,0x96,
  77     0xe9,0x3d,0x7e,0x11, 0x73,0x93,0x17,0x2a,
  78     0xae,0x2d,0x8a,0x57, 0x1e,0x03,0xac,0x9c,
  79     0x9e,0xb7,0x6f,0xac, 0x45,0xaf,0x8e,0x51,
  80     0x30,0xc8,0x1c,0x46, 0xa3,0x5c,0xe4,0x11,
  81     0xe5,0xfb,0xc1,0x19, 0x1a,0x0a,0x52,0xef,
  82     0xf6,0x9f,0x24,0x45, 0xdf,0x4f,0x9b,0x17,
  83     0xad,0x2b,0x41,0x7b, 0xe6,0x6c,0x37,0x10,
  84   };
  85   static const uint8_t exp_cmac0[] = {
  86     0x02,0x89,0x62,0xf6, 0x1b,0x7b,0xf8,0x9e,
  87     0xfc,0x6b,0x55,0x1f, 0x46,0x67,0xd9,0x83,
  88   };
  89   static const uint8_t exp_cmac16[] = {
  90     0x28,0xa7,0x02,0x3f, 0x45,0x2e,0x8f,0x82,
  91     0xbd,0x4b,0xf2,0x8d, 0x8c,0x37,0xc3,0x5c,
  92   };
  93   static const uint8_t exp_cmac40[] = {
  94     0xaa,0xf3,0xd8,0xf1, 0xde,0x56,0x40,0xc2,
  95     0x32,0xf5,0xb1,0x69, 0xb9,0xc9,0x11,0xe6,
  96   };
  97   static const uint8_t exp_cmac64[] = {
  98     0xe1,0x99,0x21,0x90, 0x54,0x9f,0x6e,0xd5,
  99     0x69,0x6a,0x2c,0x05, 0x6c,0x31,0x54,0x10,
 100   };
 101
 102   test_cmac (key, sizeof key, data, 0, exp_cmac0, sizeof exp_cmac0);
 103   test_cmac (key, sizeof key, data, 16, exp_cmac16, sizeof exp_cmac16);
 104   test_cmac (key, sizeof key, data, 40, exp_cmac40, sizeof exp_cmac40);
 105   test_cmac (key, sizeof key, data, 64, exp_cmac64, sizeof exp_cmac64);
 106 }
 107
 108 int
 109 main(void)
 110 {
 111   test_cmac1 ();
 112   test_cmac2 ();
 113   return 0;
 114 }