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Commit fe18957e authored by Vitaly Chikunov's avatar Vitaly Chikunov Committed by Herbert Xu
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crypto: streebog - add Streebog hash function 



Add GOST/IETF Streebog hash function (GOST R 34.11-2012, RFC 6986)
generic hash transformation.

Cc: linux-integrity@vger.kernel.org
Signed-off-by: default avatarVitaly Chikunov <vt@altlinux.org>
Reviewed-by: default avatarArd Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent d65ddecb

crypto/Kconfig

+12 −0
Original line number Diff line number Diff line
@@ -939,6 +939,18 @@ config CRYPTO_SM3 
	  http://www.oscca.gov.cn/UpFile/20101222141857786.pdf

	  https://datatracker.ietf.org/doc/html/draft-shen-sm3-hash



config CRYPTO_STREEBOG

	tristate "Streebog Hash Function"

	select CRYPTO_HASH

	help

	  Streebog Hash Function (GOST R 34.11-2012, RFC 6986) is one of the Russian

	  cryptographic standard algorithms (called GOST algorithms).

	  This setting enables two hash algorithms with 256 and 512 bits output.



	  References:

	  https://tc26.ru/upload/iblock/fed/feddbb4d26b685903faa2ba11aea43f6.pdf

	  https://tools.ietf.org/html/rfc6986



config CRYPTO_TGR192

	tristate "Tiger digest algorithms"

	select CRYPTO_HASH

crypto/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -71,6 +71,7 @@ obj-$(CONFIG_CRYPTO_SHA256) += sha256_generic.o 
obj-$(CONFIG_CRYPTO_SHA512) += sha512_generic.o

obj-$(CONFIG_CRYPTO_SHA3) += sha3_generic.o

obj-$(CONFIG_CRYPTO_SM3) += sm3_generic.o

obj-$(CONFIG_CRYPTO_STREEBOG) += streebog_generic.o

obj-$(CONFIG_CRYPTO_WP512) += wp512.o

CFLAGS_wp512.o := $(call cc-option,-fno-schedule-insns)  # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79149

obj-$(CONFIG_CRYPTO_TGR192) += tgr192.o

crypto/streebog_generic.c

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+1140 −0

File added.

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include/crypto/streebog.h

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/* SPDX-License-Identifier: GPL-2.0+ OR BSD-2-Clause */

/*

 * Copyright (c) 2013 Alexey Degtyarev <alexey@renatasystems.org>

 * Copyright (c) 2018 Vitaly Chikunov <vt@altlinux.org>

 *

 * This program is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License as published by the Free

 * Software Foundation; either version 2 of the License, or (at your option)

 * any later version.

 */



#ifndef _CRYPTO_STREEBOG_H_

#define _CRYPTO_STREEBOG_H_



#include <linux/types.h>



#define STREEBOG256_DIGEST_SIZE	32

#define STREEBOG512_DIGEST_SIZE	64

#define STREEBOG_BLOCK_SIZE	64



struct streebog_uint512 {

	u64 qword[8];

};



struct streebog_state {

	u8 buffer[STREEBOG_BLOCK_SIZE];

	struct streebog_uint512 hash;

	struct streebog_uint512 h;

	struct streebog_uint512 N;

	struct streebog_uint512 Sigma;

	size_t fillsize;

};



#endif /* !_CRYPTO_STREEBOG_H_ */