ocrypto_sha3.h

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/*
 * Copyright (c) 2016 - 2025 Nordic Semiconductor ASA
 * Copyright (c) since 2013 Oberon microsystems AG
 *
 * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
 */
 
 
#ifndef OCRYPTO_SHA3_H
#define OCRYPTO_SHA3_H
 
#include <stddef.h>
#include <stdint.h>
 
 
#ifdef __cplusplus
extern "C" {
#endif
 
 
#define ocrypto_sha3_224_BYTES (28)
 
#define ocrypto_sha3_256_BYTES (32)
 
#define ocrypto_sha3_384_BYTES (48)
 
#define ocrypto_sha3_512_BYTES (64)
 
 
typedef struct {
    uint64_t s[25];
    uint8_t  data[8];
    uint8_t  length;
    uint8_t  index;
} ocrypto_sha3_ctx;
void ocrypto_sha3_init(
    ocrypto_sha3_ctx *ctx);
 
void ocrypto_sha3_224_update(
    ocrypto_sha3_ctx *ctx,
    const uint8_t *in, size_t in_len);
 
void ocrypto_sha3_256_update(
    ocrypto_sha3_ctx *ctx,
    const uint8_t *in, size_t in_len);
 
void ocrypto_sha3_384_update(
    ocrypto_sha3_ctx *ctx,
    const uint8_t *in, size_t in_len);
 
void ocrypto_sha3_512_update(
    ocrypto_sha3_ctx *ctx,
    const uint8_t *in, size_t in_len);
 
void ocrypto_sha3_224_final(
    ocrypto_sha3_ctx *ctx,
    uint8_t r[ocrypto_sha3_224_BYTES]);
 
void ocrypto_sha3_256_final(
    ocrypto_sha3_ctx *ctx,
    uint8_t r[ocrypto_sha3_256_BYTES]);
 
void ocrypto_sha3_384_final(
    ocrypto_sha3_ctx *ctx,
    uint8_t r[ocrypto_sha3_384_BYTES]);
 
void ocrypto_sha3_512_final(
    ocrypto_sha3_ctx *ctx,
    uint8_t r[ocrypto_sha3_512_BYTES]);
void ocrypto_sha3_224(
    uint8_t r[ocrypto_sha3_224_BYTES],
    const uint8_t *in, size_t in_len);
 
void ocrypto_sha3_256(
    uint8_t r[ocrypto_sha3_256_BYTES],
    const uint8_t *in, size_t in_len);
 
void ocrypto_sha3_384(
    uint8_t r[ocrypto_sha3_384_BYTES],
    const uint8_t *in, size_t in_len);
 
void ocrypto_sha3_512(
    uint8_t r[ocrypto_sha3_512_BYTES],
    const uint8_t *in, size_t in_len);
 
#ifdef __cplusplus
}
#endif
 
#endif