mirror of
https://github.com/eclipse/tinydtls.git
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5250e56ecb
Test vectors are from https://mailarchive.ietf.org/arch/msg/tls/fzVCzk-z3FShgGJ6DOXqM1ydxms/ and generated by https://github.com/obgm/tls12_prf Change-Id: I19b4dd9fdca21b7deb568fce35e7b4270b529b27
288 lines
10 KiB
C
288 lines
10 KiB
C
/*******************************************************************************
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*
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* Copyright (c) 2022 Olaf Bergmann (TZI) and others.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* and Eclipse Distribution License v. 1.0 which accompanies this distribution.
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*
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* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
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* and the Eclipse Distribution License is available at
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* http://www.eclipse.org/org/documents/edl-v10.php.
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*/
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#include <assert.h>
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#include "dtls_config.h"
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#include "dtls_prng.h"
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#include "test_prf.h"
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#include "tinydtls.h"
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#include "crypto.h"
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#include <stdio.h>
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/* Check against SHA256 test vector from
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* https://mailarchive.ietf.org/arch/msg/tls/fzVCzk-z3FShgGJ6DOXqM1ydxms/
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*/
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static void
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t_test_prf0(void) {
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const uint8_t key[] = {
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0x9b, 0xbe, 0x43, 0x6b, 0xa9, 0x40, 0xf0, 0x17,
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0xb1, 0x76, 0x52, 0x84, 0x9a, 0x71, 0xdb, 0x35
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};
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const uint8_t label[] = {
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0x74, 0x65, 0x73, 0x74, 0x20, 0x6c, 0x61, 0x62, 0x65, 0x6c
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};
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const uint8_t random1[] = {
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0xa0, 0xba, 0x9f, 0x93, 0x6c, 0xda, 0x31, 0x18,
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0x27, 0xa6, 0xf7, 0x96, 0xff, 0xd5, 0x19, 0x8c
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};
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/* expected result */
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const uint8_t result[] = {
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0xe3, 0xf2, 0x29, 0xba, 0x72, 0x7b, 0xe1, 0x7b,
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0x8d, 0x12, 0x26, 0x20, 0x55, 0x7c, 0xd4, 0x53,
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0xc2, 0xaa, 0xb2, 0x1d, 0x07, 0xc3, 0xd4, 0x95,
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0x32, 0x9b, 0x52, 0xd4, 0xe6, 0x1e, 0xdb, 0x5a,
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0x6b, 0x30, 0x17, 0x91, 0xe9, 0x0d, 0x35, 0xc9,
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0xc9, 0xa4, 0x6b, 0x4e, 0x14, 0xba, 0xf9, 0xaf,
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0x0f, 0xa0, 0x22, 0xf7, 0x07, 0x7d, 0xef, 0x17,
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0xab, 0xfd, 0x37, 0x97, 0xc0, 0x56, 0x4b, 0xab,
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0x4f, 0xbc, 0x91, 0x66, 0x6e, 0x9d, 0xef, 0x9b,
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0x97, 0xfc, 0xe3, 0x4f, 0x79, 0x67, 0x89, 0xba,
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0xa4, 0x80, 0x82, 0xd1, 0x22, 0xee, 0x42, 0xc5,
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0xa7, 0x2e, 0x5a, 0x51, 0x10, 0xff, 0xf7, 0x01,
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0x87, 0x34, 0x7b, 0x66
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};
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uint8_t outbuf[sizeof(result)];
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size_t bytes_written;
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bytes_written = dtls_p_hash(HASH_SHA256,
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key, sizeof(key),
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label, sizeof(label),
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random1, sizeof(random1),
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NULL, 0, /* random2 */
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outbuf, sizeof(outbuf));
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CU_ASSERT_EQUAL(bytes_written, sizeof(outbuf));
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CU_ASSERT(memcmp(outbuf, result, bytes_written) == 0);
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const size_t random2_len = sizeof(random1)/2;
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const uint8_t *random2 = random1 + sizeof(random1) - random2_len;
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bytes_written = dtls_p_hash(HASH_SHA256,
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key, sizeof(key),
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label, sizeof(label),
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random1, sizeof(random1) - random2_len,
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random2, random2_len,
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outbuf, sizeof(outbuf));
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CU_ASSERT_EQUAL(bytes_written, sizeof(outbuf));
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CU_ASSERT(memcmp(outbuf, result, bytes_written) == 0);
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}
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static void
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t_test_prf1(void) {
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const uint8_t key[] = { 0x73, 0x65, 0x63, 0x72, 0x65, 0x74 };
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const uint8_t label[] = {
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0x21, 0x3f, 0x20, 0x73, 0x6f, 0x6d, 0x65, 0x20, 0x6c,
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0x61, 0x62, 0x65, 0x6c, 0x2c, 0x20, 0x31, 0x32, 0x33
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};
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const uint8_t random[] = {
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0x72, 0x61, 0x6e, 0x64, 0x6f, 0x6d
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};
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/* expected result */
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const uint8_t result[] = {
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0xd0, 0x2d, 0xf7, 0x99, 0x9a, 0xe4, 0xed, 0x36, 0xb1,
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0xba, 0x07, 0x81, 0x9e, 0x5d, 0xa8, 0xb0, 0xbe, 0x13,
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0x19, 0xe7, 0x90, 0x46, 0xe5, 0xea, 0x05, 0xa3, 0xec,
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0xff, 0xfc, 0xd9, 0x59, 0xa4, 0x1a, 0x31, 0x48, 0xda,
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0xe3, 0x84, 0x1f, 0x81, 0x69, 0xd8, 0x01, 0xd9, 0x44,
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0x1c, 0xd9, 0xed, 0x83, 0xf7, 0x8a, 0x4f, 0xa3, 0x5c,
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0x4a, 0x76, 0x4d, 0x48, 0x90, 0x32
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};
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uint8_t outbuf[sizeof(result)];
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size_t bytes_written;
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bytes_written = dtls_p_hash(HASH_SHA256,
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key, sizeof(key),
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label, sizeof(label),
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random, sizeof(random),
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NULL, 0, /* random2 */
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outbuf, sizeof(outbuf));
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CU_ASSERT_EQUAL(bytes_written, sizeof(outbuf));
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CU_ASSERT(memcmp(outbuf, result, bytes_written) == 0);
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}
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static void
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t_test_prf2(void) {
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const uint8_t key[] = { 0x00 };
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const uint8_t random[] = {
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0x75, 0xfc, 0x29, 0x97, 0x64, 0x38, 0x2e, 0x1b, 0x91,
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0xe0, 0x28, 0x7d, 0x6a, 0xac, 0x66, 0x98, 0x25, 0x3f,
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0x08, 0xf4, 0x06, 0x66, 0x32, 0x18, 0x9f, 0x37, 0xb9,
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0xef, 0xd1, 0x01, 0xac, 0xe2, 0x0a, 0x3b, 0xda, 0x57,
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0x9c, 0x77, 0xc7, 0xa2, 0x86, 0x4d, 0x62, 0xaa, 0xf3,
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0xf1, 0xfc, 0xd0, 0x15, 0x62, 0xc4, 0x93, 0x6e, 0x0b,
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0x09, 0x03, 0xab, 0xc2, 0x8f, 0x0a, 0xbb, 0x5f, 0xbb,
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0x89, 0x45, 0xc3, 0x50, 0xb5, 0x6e, 0x65, 0xd5, 0x80,
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0x5d, 0xb8, 0x5e, 0xb2, 0x30, 0x34, 0xee, 0x17
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};
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/* expected result */
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const uint8_t result[] = {
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0x4c, 0xd2, 0xef, 0xad, 0x3e, 0x92, 0x28, 0xee, 0xb1,
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0xb2, 0x46, 0xbb, 0x3a, 0x80, 0xf0, 0x19, 0xde, 0x4e,
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0xfd, 0xbc, 0x8b, 0x2a, 0x36, 0xf4, 0xb1, 0x97, 0x5f,
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0xc9, 0x94, 0xb0, 0xc9, 0x68, 0x4f, 0xfa, 0x4f, 0x09,
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0x36, 0x9a, 0x89, 0x8f, 0xa4, 0xc1, 0xd5, 0x5c, 0x48,
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0x8a, 0xd2, 0xf9, 0x95, 0x23, 0xf4, 0x2a, 0x98, 0x54,
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0xa2, 0xb4, 0x68, 0xab, 0x52, 0xb7, 0x69, 0x11, 0x2e,
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0xfb, 0x81, 0x07, 0xf8, 0xb0, 0x78, 0x6f, 0x53, 0x18,
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0x60, 0x0c, 0xc0, 0xa3, 0x0d, 0x22, 0x8a, 0xa0, 0x90,
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0x8c, 0x40, 0x3f, 0x4f, 0xab, 0x95, 0x3d, 0xa5, 0x31,
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0x21, 0x8a, 0xc3, 0x4b, 0xa9, 0x8b, 0xba, 0x12, 0xd0
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};
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uint8_t outbuf[sizeof(result)];
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size_t bytes_written;
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bytes_written = dtls_p_hash(HASH_SHA256,
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key, sizeof(key),
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NULL, 0,
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random, sizeof(random),
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NULL, 0, /* random2 */
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outbuf, sizeof(outbuf));
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CU_ASSERT_EQUAL(bytes_written, sizeof(outbuf));
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CU_ASSERT(memcmp(outbuf, result, bytes_written) == 0);
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}
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static void
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t_test_prf3(void) {
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const uint8_t key[] = { 0x00, 0x01, 0x02, 0x03 };
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const uint8_t label[] = { 0x6c, 0x61, 0x62, 0x65, 0x6c };
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const uint8_t random1[] = {
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0x75, 0xfc, 0x29, 0x97, 0x64, 0x38, 0x2e, 0x1b,
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0x91, 0xe0, 0x28, 0x7d, 0x6a, 0xac, 0x66, 0x98,
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0x25, 0x3f, 0x08, 0xf4, 0x06, 0x66, 0x32, 0x18,
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0x9f, 0x37, 0xb9, 0xef, 0xd1, 0x01, 0xac, 0xe2,
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};
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const uint8_t random2[] = {
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0x0a, 0x3b, 0xda, 0x57, 0x9c, 0x77, 0xc7, 0xa2,
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0x86, 0x4d, 0x62, 0xaa, 0xf3, 0xf1, 0xfc, 0xd0,
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0x15, 0x62, 0xc4, 0x93, 0x6e, 0x0b, 0x09, 0x03,
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0xab, 0xc2, 0x8f, 0x0a, 0xbb, 0x5f, 0xbb, 0x89,
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0x45, 0xc3, 0x50, 0xb5, 0x6e, 0x65, 0xd5, 0x80,
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0x5d, 0xb8, 0x5e, 0xb2, 0x30, 0x34, 0xee, 0x17
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};
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/* expected result */
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const uint8_t result[] = { 0xf1, 0xb0, 0x85 };
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uint8_t outbuf[sizeof(result)];
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size_t bytes_written;
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bytes_written = dtls_p_hash(HASH_SHA256,
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key, sizeof(key),
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label, sizeof(label),
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random1, sizeof(random1),
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random2, sizeof(random2),
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outbuf, sizeof(outbuf));
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CU_ASSERT_EQUAL(bytes_written, sizeof(outbuf));
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CU_ASSERT(memcmp(outbuf, result, bytes_written) == 0);
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}
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static void
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t_test_prf4(void) {
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const uint8_t label[] = { 0x6c, 0x61, 0x62, 0x65, 0x6c };
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const uint8_t random1[] = {
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0x75, 0xfc, 0x29, 0x97, 0x64, 0x38, 0x2e, 0x1b,
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0x91, 0xe0, 0x28, 0x7d, 0x6a, 0xac, 0x66, 0x98,
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0x25, 0x3f, 0x08, 0xf4, 0x06, 0x66, 0x32, 0x18,
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0x9f, 0x37, 0xb9, 0xef, 0xd1, 0x01, 0xac, 0xe2,
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};
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const uint8_t random2[] = {
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0x0a, 0x3b, 0xda, 0x57, 0x9c, 0x77, 0xc7, 0xa2,
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0x86, 0x4d, 0x62, 0xaa, 0xf3, 0xf1, 0xfc, 0xd0,
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0x15, 0x62, 0xc4, 0x93, 0x6e, 0x0b, 0x09, 0x03,
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0xab, 0xc2, 0x8f, 0x0a, 0xbb, 0x5f, 0xbb, 0x89,
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0x45, 0xc3, 0x50, 0xb5, 0x6e, 0x65, 0xd5, 0x80,
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0x5d, 0xb8, 0x5e, 0xb2, 0x30, 0x34, 0xee, 0x17
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};
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/* expected result */
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const uint8_t result[] = {
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0xdc, 0xe1, 0x0a, 0x7d, 0xa0, 0xa8, 0x7c, 0x8c, 0xc6,
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0x1e, 0x33, 0xf6, 0xa9, 0x61, 0x96, 0x7a, 0x1c, 0x22,
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0xb6, 0xbc, 0x62, 0xe4, 0xb0, 0x19, 0x5b, 0x98, 0x2e,
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0xb5, 0xd8, 0x2a, 0xa2, 0x2e, 0x9c, 0xce, 0x79
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};
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uint8_t outbuf[sizeof(result)];
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size_t bytes_written;
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bytes_written = dtls_p_hash(HASH_SHA256,
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NULL, 0,
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label, sizeof(label),
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random1, sizeof(random1),
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random2, sizeof(random2),
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outbuf, sizeof(outbuf));
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CU_ASSERT_EQUAL(bytes_written, sizeof(outbuf));
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CU_ASSERT(memcmp(outbuf, result, bytes_written) == 0);
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}
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static void
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t_test_prf5(void) {
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/* expected result */
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const uint8_t result[] = {
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0xa6, 0xf9, 0x91, 0xab, 0x2b, 0x5f, 0x9e, 0xe8,
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0x06, 0x3c, 0x11, 0x5a, 0xb7, 0xb4, 0x00, 0x9b,
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0x0f, 0x3b, 0xcb, 0x8f, 0x10, 0x90, 0xe1, 0xaf,
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0xc4, 0xa3, 0xff, 0x20, 0x2e, 0x82, 0xed, 0x00
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};
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uint8_t outbuf[sizeof(result)];
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size_t bytes_written;
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bytes_written = dtls_p_hash(HASH_SHA256,
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NULL, 0, /* secret */
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NULL, 0, /* label */
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NULL, 0, /* random1 */
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NULL, 0, /* random2 */
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outbuf, sizeof(outbuf));
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CU_ASSERT_EQUAL(bytes_written, sizeof(outbuf));
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CU_ASSERT(memcmp(outbuf, result, bytes_written) == 0);
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}
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CU_pSuite
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t_init_prf_tests(void) {
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CU_pSuite suite;
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suite = CU_add_suite("PRF", NULL, NULL);
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if (!suite) { /* signal error */
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fprintf(stderr, "W: cannot add PRF test suite (%s)\n",
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CU_get_error_msg());
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return NULL;
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}
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/* On POSIX system, getrandom() is used where available, ignoring
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* the seed. For other platforms, the random sequence will be the
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* same for each run. */
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dtls_prng_init(0);
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#define PRF_TEST(s,t) \
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if (!CU_ADD_TEST(s,t)) { \
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fprintf(stderr, "W: cannot add test for PRF (%s)\n", \
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CU_get_error_msg()); \
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}
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PRF_TEST(suite, t_test_prf0);
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PRF_TEST(suite, t_test_prf1);
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PRF_TEST(suite, t_test_prf2);
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PRF_TEST(suite, t_test_prf3);
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PRF_TEST(suite, t_test_prf4);
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PRF_TEST(suite, t_test_prf5);
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return suite;
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}
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