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[test] Add self-tests for SHA-256 algorithm

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Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown 2012-03-05 00:20:30 +00:00
parent 657ab17338
commit bbdf17c3e8
2 changed files with 102 additions and 0 deletions
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101
src/tests/sha256_test.c Normal file
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/*
* Copyright (C) 2012 Michael Brown <mbrown@fensystems.co.uk>.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
FILE_LICENCE ( GPL2_OR_LATER );
/** @file
*
* SHA-256 tests
*
*/
#include <stdint.h>
#include <ipxe/sha256.h>
#include <ipxe/test.h>
#include "digest_test.h"
/** An SHA-256 test vector */
struct sha256_test_vector {
/** Test data */
void *data;
/** Test data length */
size_t len;
/** Expected digest */
uint8_t digest[SHA256_DIGEST_SIZE];
};
/** SHA-256 test vectors */
static struct sha256_test_vector sha256_test_vectors[] = {
/* Empty test data
*
* Expected digest value obtained from "sha256sum /dev/null"
*/
{ NULL, 0,
{ 0xe3, 0xb0, 0xc4, 0x42, 0x98, 0xfc, 0x1c, 0x14, 0x9a, 0xfb, 0xf4,
0xc8, 0x99, 0x6f, 0xb9, 0x24, 0x27, 0xae, 0x41, 0xe4, 0x64, 0x9b,
0x93, 0x4c, 0xa4, 0x95, 0x99, 0x1b, 0x78, 0x52, 0xb8, 0x55 } },
/* Test data and expected digests taken from the NIST
* Cryptographic Toolkit Algorithm Examples at
* http://csrc.nist.gov/groups/ST/toolkit/documents/Examples/SHA256.pdf
*/
{ "abc", 3,
{ 0xba, 0x78, 0x16, 0xbf, 0x8f, 0x01, 0xcf, 0xea, 0x41, 0x41, 0x40,
0xde, 0x5d, 0xae, 0x22, 0x23, 0xb0, 0x03, 0x61, 0xa3, 0x96, 0x17,
0x7a, 0x9c, 0xb4, 0x10, 0xff, 0x61, 0xf2, 0x00, 0x15, 0xad } },
{ "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq", 56,
{ 0x24, 0x8d, 0x6a, 0x61, 0xd2, 0x06, 0x38, 0xb8, 0xe5, 0xc0, 0x26,
0x93, 0x0c, 0x3e, 0x60, 0x39, 0xa3, 0x3c, 0xe4, 0x59, 0x64, 0xff,
0x21, 0x67, 0xf6, 0xec, 0xed, 0xd4, 0x19, 0xdb, 0x06, 0xc1 } },
};
/** SHA-256 test fragment lists */
static struct digest_test_fragments sha256_test_fragments[] = {
{ { 0, -1UL, } },
{ { 1, 1, 1, 1, 1, 1, 1, 1 } },
{ { 2, 0, 23, 4, 6, 1, 0 } },
};
/**
* Perform SHA-256 self-test
*
*/
static void sha256_test_exec ( void ) {
struct digest_algorithm *digest = &sha256_algorithm;
struct sha256_test_vector *test;
unsigned int i;
unsigned int j;
for ( i = 0 ; i < ( sizeof ( sha256_test_vectors ) /
sizeof ( sha256_test_vectors[0] ) ) ; i++ ) {
test = &sha256_test_vectors[i];
/* Test with a single pass */
digest_ok ( digest, NULL, test->data, test->len, test->digest );
/* Test with fragment lists */
for ( j = 0 ; j < ( sizeof ( sha256_test_fragments ) /
sizeof ( sha256_test_fragments[0] )); j++ ){
digest_ok ( digest, &sha256_test_fragments[j],
test->data, test->len, test->digest );
}
}
}
/** SHA-256 self-test */
struct self_test sha256_test __self_test = {
.name = "sha256",
.exec = sha256_test_exec,
};

1
src/tests/tests.c
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@ -28,5 +28,6 @@ FILE_LICENCE ( GPL2_OR_LATER );
REQUIRE_OBJECT ( list_test );
REQUIRE_OBJECT ( byteswap_test );
REQUIRE_OBJECT ( sha1_test );
REQUIRE_OBJECT ( sha256_test );
REQUIRE_OBJECT ( hmac_drbg_test );
REQUIRE_OBJECT ( hash_df_test );