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RIOT/sys/hashes/sha384.c
Mikolai Gütschow 9300007cf1
sys/hashes: support for SHA-{384,512/{224,256}}
pkg/esp32_sdk: rename sha384_init to avoid name clash
2024-03-25 12:35:10 +01:00

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 SHA384 hash function implementation
*
* @author Mikolai Gütschow <mikolai.guetschow@tu-dresden.de>
*
* @}
*/
#include <assert.h>
#include "hashes/sha384.h"
void sha384_init(sha384_context_t *ctx)
{
/* Zero bits processed so far */
ctx->count[0] = ctx->count[1] = 0;
/* Magic initialization constants */
ctx->state[0] = 0xcbbb9d5dc1059ed8;
ctx->state[1] = 0x629a292a367cd507;
ctx->state[2] = 0x9159015a3070dd17;
ctx->state[3] = 0x152fecd8f70e5939;
ctx->state[4] = 0x67332667ffc00b31;
ctx->state[5] = 0x8eb44a8768581511;
ctx->state[6] = 0xdb0c2e0d64f98fa7;
ctx->state[7] = 0x47b5481dbefa4fa4;
}
void sha384(const void *data, size_t len, void *digest)
{
sha384_context_t c;
assert(digest);
sha384_init(&c);
sha384_update(&c, data, len);
sha384_final(&c, digest);
}