mirror of
https://github.com/RIOT-OS/RIOT.git
synced 2024-12-29 04:50:03 +01:00
50 lines
1.1 KiB
C
50 lines
1.1 KiB
C
/*
|
|
* Copyright (C) 2023 TU Dresden
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
/**
|
|
* @ingroup sys_hashes
|
|
*
|
|
* @{
|
|
* @file
|
|
* @brief SHA512/224 hash function implementation
|
|
*
|
|
* @author Mikolai Gütschow <mikolai.guetschow@tu-dresden.de>
|
|
*
|
|
* @}
|
|
*/
|
|
|
|
#include <assert.h>
|
|
|
|
#include "hashes/sha512_224.h"
|
|
|
|
void sha512_224_init(sha512_224_context_t *ctx)
|
|
{
|
|
/* Zero bits processed so far */
|
|
ctx->count[0] = ctx->count[1] = 0;
|
|
|
|
/* Magic initialization constants */
|
|
ctx->state[0] = 0x8C3D37C819544DA2;
|
|
ctx->state[1] = 0x73E1996689DCD4D6;
|
|
ctx->state[2] = 0x1DFAB7AE32FF9C82;
|
|
ctx->state[3] = 0x679DD514582F9FCF;
|
|
ctx->state[4] = 0x0F6D2B697BD44DA8;
|
|
ctx->state[5] = 0x77E36F7304C48942;
|
|
ctx->state[6] = 0x3F9D85A86A1D36C8;
|
|
ctx->state[7] = 0x1112E6AD91D692A1;
|
|
}
|
|
|
|
void sha512_224(const void *data, size_t len, void *digest)
|
|
{
|
|
sha512_224_context_t c;
|
|
assert(digest);
|
|
|
|
sha512_224_init(&c);
|
|
sha512_224_update(&c, data, len);
|
|
sha512_224_final(&c, digest);
|
|
}
|