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/*
* Copyright (C) 2016 Oliver Hahm <oliver.hahm@inria.fr>
*
* 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 SHA-1 hash implementation
*
* @author Oliver Hahm <oliver.hahm@inria.fr>
*
* @}
*/
#include <stdio.h>
#include <string.h>
#include "embUnit/embUnit.h"
#include "hashes/sha1.h"
#define TEST_CASES_NUM (4)
/*
* * Define patterns for testing
* */
#define TEST1 "abc"
#define TEST2a "abcdbcdecdefdefgefghfghighijhi"
#define TEST2b "jkijkljklmklmnlmnomnopnopq"
#define TEST2 TEST2a TEST2b
#define TEST3 "a"
#define TEST4a "01234567012345670123456701234567"
#define TEST4b "01234567012345670123456701234567"
/* an exact multiple of 512 bits */
#define TEST4 TEST4a TEST4b
static char *_testarray[TEST_CASES_NUM] =
{
TEST1,
TEST2,
TEST3,
TEST4
};
static long int _repeatcount[TEST_CASES_NUM] = { 1, 1, 1000000, 10 };
static char *_resultarray[TEST_CASES_NUM + 2] =
{
"A9 99 3E 36 47 06 81 6A BA 3E 25 71 78 50 C2 6C 9C D0 D8 9D",
"84 98 3E 44 1C 3B D2 6E BA AE 4A A1 F9 51 29 E5 E5 46 70 F1",
/* for repeatcount == 1000000 */
"34 AA 97 3C D4 C4 DA A4 F6 1E EB 2B DB AD 27 31 65 34 01 6F",
/* for repeatcount == 10*/
"DE A3 56 A2 CD DD 90 C7 A7 EC ED C5 EB B5 63 93 4F 46 04 52",
/* for single runs */
"86 F7 E4 37 FA A5 A7 FC E1 5D 1D DC B9 EA EA EA 37 76 67 B8",
"E0 C0 94 E8 67 EF 46 C3 50 EF 54 A7 F5 9D D6 0B ED 92 AE 83"
};
#define TEST_CASES_HMAC_NUM (5)
#define TEST1_HMAC "Hi There"
#define TEST2_HMAC "what do ya want for nothing?"
#define TEST3_HMAC "Test With Truncation"
#define TEST4_HMAC "Test Using Larger Than Block-Size Key - Hash Key First"
#define TEST5_HMAC "Test Using Larger Than Block-Size Key and Larger Than One Block-Size Data"
static uint8_t _hmac_key1[]={
0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b
};
static uint8_t _hmac_key2[]= "Jefe";
static uint8_t _hmac_key3[]={
0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c
};
static uint8_t _hmac_key4[]={
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa
};
static uint8_t _hmac_key5[]={
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa
};
static char *_resultarray_hmac[TEST_CASES_HMAC_NUM] =
{
"B6 17 31 86 55 05 72 64 E2 8B C0 B6 FB 37 8C 8E F1 46 BE 00",
"EF FC DF 6A E5 EB 2F A2 D2 74 16 D5 F1 84 DF 9C 25 9A 7C 79",
"4C 1A 03 42 4B 55 E0 7F E7 F2 7B E1 D5 8B B9 32 4A 9A 5A 04",
"AA 4A E5 E1 52 72 D0 0E 95 70 56 37 CE 8A 3B 55 ED 40 21 12",
"E8 E9 9D 0F 45 23 7D 78 6D 6B BA A7 96 5C 78 08 BB FF 1A 91 "
};
static int calc_and_compare_hash(const char *str, const char *expected,
long int repeatcount)
{
sha1_context ctx;
uint8_t hash[SHA1_DIGEST_LENGTH];
char tmp[(3 * SHA1_DIGEST_LENGTH) + 1];
/* calculate hash */
sha1_init(&ctx);
for (long int i = 0; i < repeatcount; ++i) {
sha1_update(&ctx, (unsigned char*) str, strlen(str));
}
sha1_final(&ctx, hash);
/* copy hash to string */
for (size_t i = 0; i < SHA1_DIGEST_LENGTH; i++) {
sprintf(&(tmp[i * 3]), "%02X ", (unsigned) hash[i]);
}
tmp[SHA1_DIGEST_LENGTH* 2] = '\0';
/* compare with result string */
return strncmp(tmp, expected, strlen((char*) tmp));
}
static int calc_and_compare_hash2(const char *str, const char *expected)
{
char tmp[(3 * SHA1_DIGEST_LENGTH) + 1];
uint8_t hash[SHA1_DIGEST_LENGTH];
sha1((unsigned char*) hash, (unsigned char*) str, strlen(str));
/* copy hash to string */
for (size_t i = 0; i < SHA1_DIGEST_LENGTH; i++) {
sprintf(&(tmp[i * 3]), "%02X ", (unsigned) hash[i]);
}
tmp[SHA1_DIGEST_LENGTH* 2] = '\0';
/* compare with result string */
return strncmp(tmp, expected, strlen((char*) tmp));
}
static int calc_and_compare_hash_hmac(const char *str, const char *expected,
const uint8_t *key, size_t key_len)
{
sha1_context ctx;
uint8_t hash[SHA1_DIGEST_LENGTH];
char tmp[(3 * SHA1_DIGEST_LENGTH) + 1];
/* calculate hash */
sha1_init_hmac(&ctx, key, key_len);
sha1_update(&ctx, (unsigned char*) str, strlen(str));
sha1_final_hmac(&ctx, hash);
/* copy hash to string */
for (size_t i = 0; i < SHA1_DIGEST_LENGTH; i++) {
sprintf(&(tmp[i * 3]), "%02X ", (unsigned) hash[i]);
}
tmp[SHA1_DIGEST_LENGTH* 2] = '\0';
/* compare with result string */
return strncmp(tmp, expected, strlen((char*) tmp));
}
/* test cases copied from section 7.3 of RFC 3174
* https://tools.ietf.org/html/rfc3174#section-7.3
*/
static void test_hashes_sha1(void)
{
TEST_ASSERT(calc_and_compare_hash(_testarray[0], _resultarray[0], _repeatcount[0]) == 0);
TEST_ASSERT(calc_and_compare_hash(_testarray[1], _resultarray[1], _repeatcount[1]) == 0);
TEST_ASSERT(calc_and_compare_hash(_testarray[2], _resultarray[2], _repeatcount[2]) == 0);
TEST_ASSERT(calc_and_compare_hash(_testarray[3], _resultarray[3], _repeatcount[3]) == 0);
TEST_ASSERT(calc_and_compare_hash2(_testarray[0], _resultarray[0]) == 0);
TEST_ASSERT(calc_and_compare_hash2(_testarray[1], _resultarray[1]) == 0);
TEST_ASSERT(calc_and_compare_hash2(_testarray[2], _resultarray[4]) == 0);
TEST_ASSERT(calc_and_compare_hash2(_testarray[3], _resultarray[5]) == 0);
TEST_ASSERT(calc_and_compare_hash_hmac(TEST1_HMAC, _resultarray_hmac[0], _hmac_key1, sizeof(_hmac_key1)) == 0);
TEST_ASSERT(calc_and_compare_hash_hmac(TEST2_HMAC, _resultarray_hmac[1], _hmac_key2, sizeof(_hmac_key2)) == 0);
TEST_ASSERT(calc_and_compare_hash_hmac(TEST3_HMAC, _resultarray_hmac[2], _hmac_key3, sizeof(_hmac_key3)) == 0);
TEST_ASSERT(calc_and_compare_hash_hmac(TEST4_HMAC, _resultarray_hmac[3], _hmac_key4, sizeof(_hmac_key4)) == 0);
TEST_ASSERT(calc_and_compare_hash_hmac(TEST5_HMAC, _resultarray_hmac[4], _hmac_key5, sizeof(_hmac_key5)) == 0);
}
Test *tests_hashes_sha1_tests(void)
{
EMB_UNIT_TESTFIXTURES(fixtures) {
new_TestFixture(test_hashes_sha1),
};
EMB_UNIT_TESTCALLER(test_hashes_sha1, NULL, NULL, fixtures);
return (Test *)&test_hashes_sha1;
}
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