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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 <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "embUnit.h"
#include "crypto/ciphers.h"
#include "crypto/modes/ecb.h"
#include "tests-crypto.h"
/*
* all test vectors are from "Recommendation for Block Cipher Modes of
* Operation - Methods and Techniques" by Morris Dworkin / NIST
*
* http://csrc.nist.gov/publications/nistpubs/800-38a/sp800-38a.pdf
*/
/* PACKET VECTOR #1 (Page 24) */
static uint8_t TEST_1_KEY[] = {
0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6,
0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c
};
static uint8_t TEST_1_KEY_LEN = 16;
static uint8_t TEST_1_PLAIN[] = {
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 uint8_t TEST_1_PLAIN_LEN = 64;
static uint8_t TEST_1_CIPHER[] = {
0x3a, 0xd7, 0x7b, 0xb4, 0x0d, 0x7a, 0x36, 0x60,
0xa8, 0x9e, 0xca, 0xf3, 0x24, 0x66, 0xef, 0x97,
0xf5, 0xd3, 0xd5, 0x85, 0x03, 0xb9, 0x69, 0x9d,
0xe7, 0x85, 0x89, 0x5a, 0x96, 0xfd, 0xba, 0xaf,
0x43, 0xb1, 0xcd, 0x7f, 0x59, 0x8e, 0xce, 0x23,
0x88, 0x1b, 0x00, 0xe3, 0xed, 0x03, 0x06, 0x88,
0x7b, 0x0c, 0x78, 0x5e, 0x27, 0xe8, 0xad, 0x3f,
0x82, 0x23, 0x20, 0x71, 0x04, 0x72, 0x5d, 0xd4
};
static uint8_t TEST_1_CIPHER_LEN = 64;
static void test_encrypt_op(uint8_t* key, uint8_t key_len, uint8_t* input,
uint8_t input_len, uint8_t* output,
uint8_t output_len)
{
cipher_t cipher;
int len, err, cmp;
uint8_t data[64];
err = cipher_init(&cipher, CIPHER_AES_128, key, key_len);
TEST_ASSERT_EQUAL_INT(1, err);
len = cipher_encrypt_ecb(&cipher, input, input_len, data);
TEST_ASSERT_MESSAGE(len > 0, "Encryption failed");
TEST_ASSERT_EQUAL_INT(output_len, len);
cmp = compare(output, data, len);
TEST_ASSERT_MESSAGE(1 == cmp , "wrong ciphertext");
}
static void test_decrypt_op(uint8_t* key, uint8_t key_len, uint8_t* input,
uint8_t input_len, uint8_t* output,
uint8_t output_len)
{
cipher_t cipher;
int len, err, cmp;
uint8_t data[64];
err = cipher_init(&cipher, CIPHER_AES_128, key, key_len);
TEST_ASSERT_EQUAL_INT(1, err);
len = cipher_decrypt_ecb(&cipher, input, input_len, data);
TEST_ASSERT_MESSAGE(len > 0, "Encryption failed");
TEST_ASSERT_EQUAL_INT(output_len, len);
cmp = compare(output, data, len);
TEST_ASSERT_MESSAGE(1 == cmp , "wrong ciphertext");
}
static void test_crypto_modes_ecb_encrypt(void)
{
test_encrypt_op(TEST_1_KEY, TEST_1_KEY_LEN, TEST_1_PLAIN, TEST_1_PLAIN_LEN,
TEST_1_CIPHER, TEST_1_CIPHER_LEN);
}
static void test_crypto_modes_ecb_decrypt(void)
{
test_decrypt_op(TEST_1_KEY, TEST_1_KEY_LEN, TEST_1_CIPHER, TEST_1_CIPHER_LEN,
TEST_1_PLAIN, TEST_1_PLAIN_LEN);
}
Test* tests_crypto_modes_ecb_tests(void)
{
EMB_UNIT_TESTFIXTURES(fixtures) {
new_TestFixture(test_crypto_modes_ecb_encrypt),
new_TestFixture(test_crypto_modes_ecb_decrypt)
};
EMB_UNIT_TESTCALLER(crypto_modes_ecb_tests, NULL, NULL, fixtures);
return (Test*)&crypto_modes_ecb_tests;
}
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