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freebsd
GitHub Repository: freebsd/freebsd-src
 Path: blob/main/crypto/libecc/src/examples/hash/hash.h
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/*

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 *  Copyright (C) 2021 - This file is part of libecc project

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 *

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 *  Authors:

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 *      Ryad BENADJILA <[email protected]>

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 *      Arnaud EBALARD <[email protected]>

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 *

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 *  This software is licensed under a dual BSD and GPL v2 license.

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 *  See LICENSE file at the root folder of the project.

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 */

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#ifndef __HASH_HASH_H__

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#define __HASH_HASH_H__

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/*

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 * NOTE: we include libsig for the libecc

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 * hash algorithms.

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 */

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#include <libecc/libec.h>

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/* MD-2 */

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#include "md2.h"

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/* MD-4 */

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#include "md4.h"

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/* MD-5 */

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#include "md5.h"

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/* SHA-0 */

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#include "sha0.h"

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/* SHA-1 */

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#include "sha1.h"

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/* MDC-2 */

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#include "mdc2.h"

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/* GOSTR34-11-94 source code */

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#include "gostr34_11_94.h"

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/****************************************************/

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/****************************************************/

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/****************************************************/

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typedef enum {

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	/* libecc native hashes: we map our enum on them */

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	HASH_UNKNOWN_HASH_ALG = UNKNOWN_HASH_ALG,

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	HASH_SHA224 = SHA224,

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	HASH_SHA256 = SHA256,

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	HASH_SHA384 = SHA384,

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	HASH_SHA512 = SHA512,

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	HASH_SHA512_224 = SHA512_224,

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	HASH_SHA512_256 = SHA512_256,

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	HASH_SHA3_224 = SHA3_224,

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	HASH_SHA3_256 = SHA3_256,

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	HASH_SHA3_384 = SHA3_384,

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	HASH_SHA3_512 = SHA3_512,

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	HASH_SM3 = SM3,

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	HASH_STREEBOG256 = STREEBOG256,

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	HASH_STREEBOG512 = STREEBOG512,

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	HASH_SHAKE256 = SHAKE256,

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	HASH_RIPEMD160 = RIPEMD160,

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	HASH_BELT_HASH = BELT_HASH,

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	HASH_BASH224 = BASH224,

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	HASH_BASH256 = BASH256,

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	HASH_BASH384 = BASH384,

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	HASH_BASH512 = BASH512,

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	/* Deprecated hash algorithms not supported by libecc

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	 * (for security reasons).

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	 * XXX: NOTE: These algorithms are here as a playground e.g.

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	 * to test some backward compatibility of cryptographic cipher suites,

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	 * please DO NOT use them in production code!

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	 */

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	HASH_MD2,

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	HASH_MD4,

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	HASH_MD5,

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	HASH_SHA0,

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	HASH_SHA1,

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	HASH_MDC2_PADDING1,

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	HASH_MDC2_PADDING2,

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	HASH_GOST34_11_94_NORM,

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	HASH_GOST34_11_94_RFC4357,

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} gen_hash_alg_type;

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/* Our generic hash context */

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typedef union {

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	/* libecc native hashes */

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	hash_context hctx;

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	/* MD2 */

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	md2_context md2ctx;

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	/* MD4 */

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	md4_context md4ctx;

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	/* MD5 */

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	md5_context md5ctx;

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	/* SHA-0 */

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	sha0_context sha0ctx;

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	/* SHA-1 */

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	sha1_context sha1ctx;

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	/* MDC2 */

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	mdc2_context mdc2ctx;

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	/* GOSTR34-11-94 */

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	gostr34_11_94_context gostr34_11_94ctx;

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} gen_hash_context;

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ATTRIBUTE_WARN_UNUSED_RET int gen_hash_get_hash_sizes(gen_hash_alg_type gen_hash_type, u8 *hlen, u8 *block_size);

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ATTRIBUTE_WARN_UNUSED_RET int gen_hash_init(gen_hash_context *ctx, gen_hash_alg_type gen_hash_type);

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ATTRIBUTE_WARN_UNUSED_RET int gen_hash_update(gen_hash_context *ctx, const u8 *chunk, u32 chunklen, gen_hash_alg_type gen_hash_type);

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ATTRIBUTE_WARN_UNUSED_RET int gen_hash_final(gen_hash_context *ctx, u8 *output, gen_hash_alg_type gen_hash_type);

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ATTRIBUTE_WARN_UNUSED_RET int gen_hash_hfunc(const u8 *input, u32 ilen, u8 *digest, gen_hash_alg_type gen_hash_type);

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ATTRIBUTE_WARN_UNUSED_RET int gen_hash_hfunc_scattered(const u8 **input, const u32 *ilen, u8 *digest, gen_hash_alg_type gen_hash_type);

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#endif /* __HASH_HASH_H__ */

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