mirror of
https://github.com/RIOT-OS/RIOT.git
synced 2024-12-29 04:50:03 +01:00
92 lines
2.6 KiB
C
92 lines
2.6 KiB
C
/*
|
|
* Copyright (C) 2020 HAW Hamburg
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
/**
|
|
*
|
|
* @file
|
|
* @brief Test cases for the SHA256PRNG pseudo random number generator
|
|
*
|
|
* @author Peter Kietzmann <peter.kietzmann@haw-hamburg.de>
|
|
*
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
#include "kernel_defines.h"
|
|
#include "random.h"
|
|
|
|
/**
|
|
* @brief expected sequence for seed=1. This is only a regression test. The
|
|
* expected output was generated while porting the SHA256PRNG to RIOT.
|
|
*/
|
|
static const uint32_t seq_seed1[] =
|
|
{1106729202, 3855353741, 932558076, 213257261, 1935649068, 3223344939,
|
|
3700960722, 3580154139, 3802991633, 3783537878, 3862557448, 3401019389,
|
|
3269475530, 260491589, 2254706846, 3754733214, 1693392656, 3020931263,
|
|
2202015546, 2031345158};
|
|
/**
|
|
* @brief expected sequence for seed=11799121 (generated at random.org). This is
|
|
* only a regression test. The expected output was generated while porting
|
|
* the SHA256PRNG to RIOT.
|
|
*/
|
|
static const uint8_t seq_seed2[] =
|
|
{0x04, 0x8b, 0xc0, 0x91, 0x7b, 0x08, 0x4a, 0x2f, 0x8f, 0x9a, 0xd0, 0xa6, 0x65, 0x18,
|
|
0x7b, 0x89, 0x9b, 0x74, 0x52, 0x45, 0x44, 0x74, 0xbd, 0x4a, 0x0c, 0x74, 0x8a, 0x0e,
|
|
0xee, 0xdc, 0x76, 0x50, 0x67, 0xe8, 0x50, 0xce, 0x26, 0xdb, 0x0d, 0xef, 0x33, 0x38,
|
|
0xba, 0x6b, 0x68, 0x8d, 0x5d, 0x83, 0xfd, 0xe3, 0xef, 0x19, 0x20, 0x59, 0xd9, 0xc9,
|
|
0x12, 0x6b, 0x5f, 0x8c, 0xf9, 0x05, 0x36, 0x8f};
|
|
|
|
static void test_prng_sha256prng_seed1_u32(void)
|
|
{
|
|
uint32_t seed = 1;
|
|
uint32_t test32[ARRAY_SIZE(seq_seed1)];
|
|
|
|
random_init(seed);
|
|
|
|
/* request random samples */
|
|
for (unsigned i = 0; i < ARRAY_SIZE(seq_seed1); i++) {
|
|
test32[i] = random_uint32();
|
|
}
|
|
|
|
/* compare generator output and reference */
|
|
if (!(memcmp(test32, seq_seed1, sizeof(seq_seed1)))) {
|
|
printf("%s:SUCCESS\n", __func__);
|
|
}
|
|
else {
|
|
printf("%s:FAILURE\n", __func__);
|
|
}
|
|
}
|
|
|
|
static void test_prng_sha256prng_seed2_u8(void)
|
|
{
|
|
uint32_t seed = 11799121;
|
|
uint8_t test8[sizeof(seq_seed2)];
|
|
|
|
random_init(seed);
|
|
|
|
/* request random bytes */
|
|
random_bytes(test8, sizeof(seq_seed2));
|
|
|
|
/* compare generator output and reference */
|
|
if (!(memcmp(test8, seq_seed2, sizeof(seq_seed2)))) {
|
|
printf("%s:SUCCESS\n", __func__);
|
|
}
|
|
else {
|
|
printf("%s:FAILURE\n", __func__);
|
|
}
|
|
}
|
|
|
|
int main(void)
|
|
{
|
|
test_prng_sha256prng_seed1_u32();
|
|
test_prng_sha256prng_seed2_u8();
|
|
|
|
return 0;
|
|
}
|