tests-crypto-cipher.c
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/*
* Copyright (C) 2015 Nico von Geyso
*
* 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.
*/
#include <limits.h>
#include "embUnit.h"
#include "crypto/ciphers.h"
#include "tests-crypto.h"
static uint8_t TEST_KEY[] = {
0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
0x8, 0x9, 0xA, 0xB, 0xC, 0xD, 0xE, 0xF
};
static uint8_t TEST_INP[] = {
0x8, 0x9, 0xA, 0xB, 0xC, 0xD, 0xE, 0xF,
0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7
};
static uint8_t TEST_ENC_AES[] = {
0x37, 0x29, 0xa3, 0x6c, 0xaf, 0xe9, 0x84, 0xff,
0x46, 0x22, 0x70, 0x42, 0xee, 0x24, 0x83, 0xf6
};
static void test_crypto_cipher_aes_encrypt(void)
{
cipher_t cipher;
int err, cmp;
uint8_t data[16] = {0};
err = cipher_init(&cipher, CIPHER_AES_128, TEST_KEY, 16);
TEST_ASSERT_EQUAL_INT(1, err);
err = cipher_encrypt(&cipher, TEST_INP, data);
TEST_ASSERT_EQUAL_INT(1, err);
cmp = compare(TEST_ENC_AES, data, 16);
TEST_ASSERT_MESSAGE(1 == cmp , "wrong ciphertext");
}
static void test_crypto_cipher_aes_decrypt(void)
{
cipher_t cipher;
int err, cmp;
uint8_t data[16];
err = cipher_init(&cipher, CIPHER_AES_128, TEST_KEY, 16);
TEST_ASSERT_EQUAL_INT(1, err);
err = cipher_decrypt(&cipher, TEST_ENC_AES, data);
TEST_ASSERT_EQUAL_INT(1, err);
cmp = compare(TEST_INP, data, 16);
TEST_ASSERT_MESSAGE(1 == cmp , "wrong plaintext");
}
Test* tests_crypto_cipher_tests(void)
{
EMB_UNIT_TESTFIXTURES(fixtures) {
new_TestFixture(test_crypto_cipher_aes_encrypt),
new_TestFixture(test_crypto_cipher_aes_decrypt)
};
EMB_UNIT_TESTCALLER(crypto_cipher_tests, NULL, NULL, fixtures);
return (Test*)&crypto_cipher_tests;
}