a752c7ab
 elopes
add first test an...
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/*
* Copyright (C) 2016 Fundación Inria Chile
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup unittests
* @{
*
* @file
* @brief Test cases for the AES-CMAC hash implementation
*
* @author José Ignacio Alamos <jose.alamos@inria.cl>
*
* @}
*/
#include <inttypes.h>
#include <string.h>
#include "tests-hashes.h"
#include "embUnit/embUnit.h"
#include "hashes/cmac.h"
#include "crypto/ciphers.h"
static const uint8_t CMAC_KEY[16] = {
0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6,
0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c
};
static const uint8_t TEST_EMPTY_EXP[16] = {
0xbb, 0x1d, 0x69, 0x29, 0xe9, 0x59, 0x37, 0x28,
0x7f, 0xa3, 0x7d, 0x12, 0x9b, 0x75, 0x67, 0x46
};
static const uint8_t TEST_1_INP[16] = {
0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96,
0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a
};
static const uint8_t TEST_1_EXP[16] = {
0x07, 0x0a, 0x16, 0xb4, 0x6b, 0x4d, 0x41, 0x44,
0xf7, 0x9b, 0xdd, 0x9d, 0xd0, 0x4a, 0x28, 0x7c
};
static const uint8_t TEST_2_INP[40] = {
0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96,
0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a,
0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c,
0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51,
0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11
};
static const uint8_t TEST_2_EXP[16] = {
0xdf, 0xa6, 0x67, 0x47, 0xde, 0x9a, 0xe6, 0x30,
0x30, 0xca, 0x32, 0x61, 0x14, 0x97, 0xc8, 0x27
};
static const uint8_t TEST_3_INP[64] = {
0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96,
0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a,
0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c,
0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51,
0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11,
0xe5, 0xfb, 0xc1, 0x19, 0x1a, 0x0a, 0x52, 0xef,
0xf6, 0x9f, 0x24, 0x45, 0xdf, 0x4f, 0x9b, 0x17,
0xad, 0x2b, 0x41, 0x7b, 0xe6, 0x6c, 0x37, 0x10
};
static const uint8_t TEST_3_EXP[16] = {
0x51, 0xf0, 0xbe, 0xbf, 0x7e, 0x3b, 0x9d, 0x92,
0xfc, 0x49, 0x74, 0x17, 0x79, 0x36, 0x3c, 0xfe
};
static int calc_and_compare_hash(const uint8_t *hash, size_t size, const uint8_t *expected)
{
uint8_t digest[16];
cmac_context_t ctx;
cmac_init(&ctx, CMAC_KEY, 16);
cmac_update(&ctx, hash, size);
cmac_final(&ctx, digest);
return memcmp(digest, expected, 16);
}
static void test_hashes_cmac(void)
{
TEST_ASSERT_EQUAL_INT(calc_and_compare_hash(NULL, 0, TEST_EMPTY_EXP), 0);
TEST_ASSERT_EQUAL_INT(calc_and_compare_hash(TEST_1_INP, 16, TEST_1_EXP), 0);
TEST_ASSERT_EQUAL_INT(calc_and_compare_hash(TEST_2_INP, 40, TEST_2_EXP), 0);
TEST_ASSERT_EQUAL_INT(calc_and_compare_hash(TEST_3_INP, 64, TEST_3_EXP), 0);
}
static void test_hashes_cmac_keysize(void)
{
cmac_context_t ctx;
TEST_ASSERT_EQUAL_INT(cmac_init(&ctx, CMAC_KEY, 15), CIPHER_ERR_INVALID_KEY_SIZE);
TEST_ASSERT_EQUAL_INT(cmac_init(&ctx, CMAC_KEY, 16), CIPHER_INIT_SUCCESS);
}
Test *tests_hashes_cmac_tests(void)
{
EMB_UNIT_TESTFIXTURES(fixtures) {
new_TestFixture(test_hashes_cmac),
new_TestFixture(test_hashes_cmac_keysize),
};
EMB_UNIT_TESTCALLER(test_hashes_cmac, NULL, NULL, fixtures);
return (Test *)&test_hashes_cmac;
}
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