111 lines
3.7 KiB
C
111 lines
3.7 KiB
C
/* test_hmac_prng.c - TinyCrypt implementation of some HMAC-PRNG tests */
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/*
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* Copyright (C) 2015 by Intel Corporation, All Rights Reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* - Neither the name of Intel Corporation nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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DESCRIPTION
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This module tests the following PRNG routines:
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Scenarios tested include:
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- HMAC-PRNG init
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- HMAC-PRNG reseed
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- HMAC-PRNG generate)
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*/
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#include <tinycrypt/hmac_prng.h>
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#include <tinycrypt/constants.h>
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#include <test_utils.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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/*
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* Main task to test AES
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*/
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int main(void)
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{
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uint8_t seed[128];
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struct tc_hmac_prng_struct h;
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uint32_t size = (1 << 15);
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uint8_t random[size];
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uint32_t i;
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uint32_t result = TC_PASS;
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TC_START("Performing HMAC-PRNG tests:");
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TC_PRINT("HMAC-PRNG test#1 (init, reseed, generate):\n");
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/* Fake seed (replace by a a truly random seed): */
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for (i = 0; i < (uint32_t) sizeof(seed); ++i) {
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seed[i] = i;
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}
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/* Fake personalization and additional_input (replace by appropriate
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* values): *
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* e.g.: hostname+timestamp */
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uint8_t *personalization = (uint8_t *) "HOSTNAME";
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uint8_t *additional_input = (uint8_t *) "additional input";
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TC_PRINT("HMAC-PRNG test#1 (init):\n");
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if (tc_hmac_prng_init(&h, personalization,
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sizeof(personalization)) == 0) {
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TC_ERROR("HMAC-PRNG initialization failed.\n");
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result = TC_FAIL;
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goto exitTest;
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}
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TC_END_RESULT(result);
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TC_PRINT("HMAC-PRNG test#1 (reseed):\n");
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if (tc_hmac_prng_reseed(&h, seed, sizeof(seed), additional_input,
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sizeof(additional_input)) == 0) {
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TC_ERROR("HMAC-PRNG reseed failed.\n");
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result = TC_FAIL;
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goto exitTest;
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}
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TC_END_RESULT(result);
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TC_PRINT("HMAC-PRNG test#1 (generate):\n");
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if (tc_hmac_prng_generate(random, size, &h) < 1) {
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TC_ERROR("HMAC-PRNG generate failed.\n");
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result = TC_FAIL;
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goto exitTest;
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}
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TC_END_RESULT(result);
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TC_PRINT("All HMAC tests succeeded!\n");
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exitTest:
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TC_END_RESULT(result);
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TC_END_REPORT(result);
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}
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