include/crypto/sha3.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Common values for SHA-3 algorithms
 */
#ifndef __CRYPTO_SHA3_H__
#define __CRYPTO_SHA3_H__

#include <linux/types.h>

#define SHA3_224_DIGEST_SIZE	(224 / 8)
#define SHA3_224_BLOCK_SIZE	(200 - 2 * SHA3_224_DIGEST_SIZE)
#define SHA3_224_EXPORT_SIZE	SHA3_STATE_SIZE + SHA3_224_BLOCK_SIZE + 1

#define SHA3_256_DIGEST_SIZE	(256 / 8)
#define SHA3_256_BLOCK_SIZE	(200 - 2 * SHA3_256_DIGEST_SIZE)
#define SHA3_256_EXPORT_SIZE	SHA3_STATE_SIZE + SHA3_256_BLOCK_SIZE + 1

#define SHA3_384_DIGEST_SIZE	(384 / 8)
#define SHA3_384_BLOCK_SIZE	(200 - 2 * SHA3_384_DIGEST_SIZE)
#define SHA3_384_EXPORT_SIZE	SHA3_STATE_SIZE + SHA3_384_BLOCK_SIZE + 1

#define SHA3_512_DIGEST_SIZE	(512 / 8)
#define SHA3_512_BLOCK_SIZE	(200 - 2 * SHA3_512_DIGEST_SIZE)
#define SHA3_512_EXPORT_SIZE	SHA3_STATE_SIZE + SHA3_512_BLOCK_SIZE + 1

#define SHA3_STATE_SIZE		200

struct shash_desc;

struct sha3_state {
	u64		st[SHA3_STATE_SIZE / 8];
};

int crypto_sha3_init(struct shash_desc *desc);

#endif