tests-crypto-modes-ccm.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 <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "embUnit.h"
#include "crypto/ciphers.h"
#include "crypto/modes/ccm.h"
#include "tests-crypto.h"
/* PACKET VECTOR #1 (RFC 3610 - Page 10) */
static uint8_t TEST_1_KEY[] = {
0xC0, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7,
0xC8, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, 0xCE, 0xCF
};
static uint8_t TEST_1_KEY_LEN = 16;
static uint8_t TEST_1_NONCE[] = {
0x00, 0x00, 0x00, 0x03, 0x02, 0x01, 0x00, 0xA0,
0xA1, 0xA2, 0xA3, 0xA4, 0xA5
};
static uint8_t TEST_1_NONCE_LEN = 13;
static uint8_t TEST_1_INPUT[] = {
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* additional auth data */
0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, /* input */
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* input */
0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E /* input */
};
static uint8_t TEST_1_INPUT_LEN = 23;
static uint8_t TEST_1_ADATA_LEN = 8;
static uint8_t TEST_1_EXPECTED[] = {
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x58, 0x8C, 0x97, 0x9A, 0x61, 0xC6, 0x63, 0xD2,
0xF0, 0x66, 0xD0, 0xC2, 0xC0, 0xF9, 0x89, 0x80,
0x6D, 0x5F, 0x6B, 0x61, 0xDA, 0xC3, 0x84, 0x17,
0xE8, 0xD1, 0x2C, 0xFD, 0xF9, 0x26, 0xE0
};
static uint8_t TEST_1_EXPECTED_LEN = 39;
/* PACKET VECTOR #2 (RFC 3610 - Page 10) */
static uint8_t TEST_2_KEY[] = {
0xC0, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7,
0xC8, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, 0xCE, 0xCF
};
static uint8_t TEST_2_KEY_LEN = 16;
static uint8_t TEST_2_NONCE[] = {
0x00, 0x00, 0x00, 0x04, 0x03, 0x02, 0x01, 0xA0,
0xA1, 0xA2, 0xA3, 0xA4, 0xA5
};
static uint8_t TEST_2_NONCE_LEN = 13;
static uint8_t TEST_2_INPUT[] = {
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F
};
static uint8_t TEST_2_INPUT_LEN = 24;
static uint8_t TEST_2_ADATA_LEN = 8;
static uint8_t TEST_2_EXPECTED[] = {
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x72, 0xC9, 0x1A, 0x36, 0xE1, 0x35, 0xF8, 0xCF,
0x29, 0x1C, 0xA8, 0x94, 0x08, 0x5C, 0x87, 0xE3,
0xCC, 0x15, 0xC4, 0x39, 0xC9, 0xE4, 0x3A, 0x3B,
0xA0, 0x91, 0xD5, 0x6E, 0x10, 0x40, 0x09, 0x16
};
static uint8_t TEST_2_EXPECTED_LEN = 40;
static void test_encrypt_op(uint8_t* key, uint8_t key_len, uint8_t* adata,
uint8_t adata_len, uint8_t* nonce, uint8_t nonce_len, uint8_t* plain,
uint8_t plain_len, uint8_t* output_expected, uint8_t output_expected_len)
{
cipher_t cipher;
int len, err, cmp;
uint8_t data[60];
err = cipher_init(&cipher, CIPHER_AES_128, key, key_len);
TEST_ASSERT_EQUAL_INT(1, err);
len = cipher_encrypt_ccm(&cipher, adata, adata_len, 8, 2, nonce,
nonce_len, plain, plain_len, data);
TEST_ASSERT_MESSAGE(len > 0, "Encryption failed");
TEST_ASSERT_EQUAL_INT(output_expected_len, len);
cmp = compare(output_expected, data, len);
TEST_ASSERT_MESSAGE(1 == cmp , "wrong ciphertext");
}
static void test_decrypt_op(uint8_t* key, uint8_t key_len, uint8_t* adata,
uint8_t adata_len, uint8_t* nonce, uint8_t nonce_len, uint8_t* encrypted,
uint8_t encrypted_len, uint8_t* output_expected, uint8_t output_expected_len)
{
cipher_t cipher;
int len, err, cmp;
uint8_t data[60];
err = cipher_init(&cipher, CIPHER_AES_128, key, key_len);
TEST_ASSERT_EQUAL_INT(1, err);
len = cipher_decrypt_ccm(&cipher, adata, adata_len, 8, 2, nonce,
nonce_len, encrypted, encrypted_len, data);
TEST_ASSERT_MESSAGE(len > 0, "Decryption failed");
TEST_ASSERT_EQUAL_INT(output_expected_len, len);
cmp = compare(output_expected, data, len);
TEST_ASSERT_MESSAGE(1 == cmp , "wrong ciphertext");
}
static void test_crypto_modes_ccm_encrypt(void)
{
test_encrypt_op(TEST_1_KEY, TEST_1_KEY_LEN, TEST_1_INPUT, TEST_1_ADATA_LEN,
TEST_1_NONCE, TEST_1_NONCE_LEN, TEST_1_INPUT + TEST_1_ADATA_LEN,
TEST_1_INPUT_LEN, TEST_1_EXPECTED + TEST_1_ADATA_LEN,
TEST_1_EXPECTED_LEN - TEST_1_ADATA_LEN);
test_encrypt_op(TEST_2_KEY, TEST_2_KEY_LEN, TEST_2_INPUT, TEST_2_ADATA_LEN,
TEST_2_NONCE, TEST_2_NONCE_LEN, TEST_2_INPUT + TEST_2_ADATA_LEN,
TEST_2_INPUT_LEN, TEST_2_EXPECTED + TEST_2_ADATA_LEN,
TEST_2_EXPECTED_LEN - TEST_2_ADATA_LEN);
}
static void test_crypto_modes_ccm_decrypt(void)
{
test_decrypt_op(TEST_1_KEY, TEST_1_KEY_LEN, TEST_1_INPUT, TEST_1_ADATA_LEN,
TEST_1_NONCE, TEST_1_NONCE_LEN, TEST_1_EXPECTED + TEST_1_ADATA_LEN,
TEST_1_EXPECTED_LEN - TEST_1_ADATA_LEN, TEST_1_INPUT + TEST_1_ADATA_LEN,
TEST_1_INPUT_LEN);
test_decrypt_op(TEST_2_KEY, TEST_2_KEY_LEN, TEST_2_INPUT, TEST_2_ADATA_LEN,
TEST_2_NONCE, TEST_2_NONCE_LEN, TEST_2_EXPECTED + TEST_2_ADATA_LEN,
TEST_2_EXPECTED_LEN - TEST_2_ADATA_LEN, TEST_2_INPUT + TEST_2_ADATA_LEN,
TEST_2_INPUT_LEN);
}
Test* tests_crypto_modes_ccm_tests(void)
{
EMB_UNIT_TESTFIXTURES(fixtures) {
new_TestFixture(test_crypto_modes_ccm_encrypt),
new_TestFixture(test_crypto_modes_ccm_decrypt)
};
EMB_UNIT_TESTCALLER(crypto_modes_ccm_tests, NULL, NULL, fixtures);
return (Test*)&crypto_modes_ccm_tests;
}