ocrypto_ascon_hash.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_ASCON_HASH_H
#define OCRYPTO_ASCON_HASH_H
 
#include <stddef.h>
#include <stdint.h>
 
 
#ifdef __cplusplus
extern "C" {
#endif
 
 
#define ocrypto_ascon_hash256_BYTES (32)
 
 
typedef struct {
    uint64_t s[5];
    uint8_t  data[8];
    uint8_t  length;
} ocrypto_ascon_hash_ctx;
void ocrypto_ascon_hash256_init(
    ocrypto_ascon_hash_ctx *ctx);
 
void ocrypto_ascon_xof128_init(
    ocrypto_ascon_hash_ctx *ctx);
 
void ocrypto_ascon_cxof128_init(
    ocrypto_ascon_hash_ctx *ctx,
    const uint8_t *z, size_t z_len);
 
void ocrypto_ascon_hash256_update(
    ocrypto_ascon_hash_ctx *ctx,
    const uint8_t *in, size_t in_len);
 
void ocrypto_ascon_hash256_final(
    ocrypto_ascon_hash_ctx *ctx,
    uint8_t h[ocrypto_ascon_hash256_BYTES]);
 
void ocrypto_ascon_xof128_final(
    ocrypto_ascon_hash_ctx *ctx,
    uint8_t *h, size_t h_len);
 
void ocrypto_ascon_xof128_ext(
    ocrypto_ascon_hash_ctx *ctx,
    uint8_t *h, size_t h_len);
void ocrypto_ascon_hash256(
    uint8_t h[ocrypto_ascon_hash256_BYTES],
    const uint8_t *in, size_t in_len);
 
void ocrypto_ascon_xof128(
    uint8_t *h, size_t h_len,
    const uint8_t *in, size_t in_len);
 
void ocrypto_ascon_cxof128(
    uint8_t *h, size_t h_len,
    const uint8_t *z, size_t z_len,
    const uint8_t *in, size_t in_len);
 
#ifdef __cplusplus
}
#endif
 
#endif