ocrypto_cshake.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_CSHAKE_H
#define OCRYPTO_CSHAKE_H
 
#include <stddef.h>
#include <stdint.h>
 
#include "ocrypto_sha3.h"
 
 
#ifdef __cplusplus
extern "C" {
#endif
 
 
typedef ocrypto_sha3_ctx ocrypto_cshake_ctx;
void ocrypto_cshake128_init(
    ocrypto_cshake_ctx *ctx,
    const uint8_t *n, size_t n_len,
    const uint8_t *s, size_t s_len);
 
void ocrypto_cshake256_init(
    ocrypto_cshake_ctx *ctx,
    const uint8_t *n, size_t n_len,
    const uint8_t *s, size_t s_len);
 
void ocrypto_cshake128_update(
    ocrypto_cshake_ctx *ctx,
    const uint8_t *in, size_t in_len);
 
void ocrypto_cshake256_update(
    ocrypto_cshake_ctx *ctx,
    const uint8_t *in, size_t in_len);
 
void ocrypto_cshake128_final(
    ocrypto_cshake_ctx *ctx,
    uint8_t *r, size_t r_len);
 
void ocrypto_cshake256_final(
    ocrypto_cshake_ctx *ctx,
    uint8_t *r, size_t r_len);
 
void ocrypto_cshake128_ext(
    ocrypto_cshake_ctx *ctx,
    uint8_t *r, size_t r_len);
 
void ocrypto_cshake256_ext(
    ocrypto_cshake_ctx *ctx,
    uint8_t *r, size_t r_len);
void ocrypto_cshake128(
    uint8_t *r, size_t r_len,
    const uint8_t *in, size_t in_len,
    const uint8_t *n, size_t n_len,
    const uint8_t *s, size_t s_len);
 
void ocrypto_cshake256(
    uint8_t *r, size_t r_len,
    const uint8_t *in, size_t in_len,
    const uint8_t *n, size_t n_len,
    const uint8_t *s, size_t s_len);
 
#ifdef __cplusplus
}
#endif
 
#endif