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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2019 Eltan B.V.
*
* 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; version 2 of the License.
*
* 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.
*/
#include <cb_sha.h>
vb2_error_t cb_sha_little_endian(enum vb2_hash_algorithm hash_alg, const uint8_t *data,
uint32_t len, uint8_t *digest)
{
int i;
int rv;
uint32_t digest_size = vb2_digest_size(hash_alg);
uint8_t result[VB2_MAX_DIGEST_SIZE];
if (!digest_size)
return VB2_ERROR_SHA_INIT_ALGORITHM;
rv = vb2_digest_buffer(data, len, hash_alg, (uint8_t *)&result, digest_size);
if (rv)
return rv;
for (i = 0; i < digest_size; ++i) {
/* use little endian */
digest[digest_size - i - 1] = result[i];
}
return rv;
}
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