zfs-builds-mm/zfs-0.8.1/include/sys/edonr.h
2019-07-06 23:40:11 +02:00

98 lines
2.6 KiB
C

/*
* IDI,NTNU
*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://opensource.org/licenses/CDDL-1.0.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*
* Copyright (C) 2009, 2010, Jorn Amundsen <jorn.amundsen@ntnu.no>
*
* Tweaked Edon-R implementation for SUPERCOP, based on NIST API.
*
* $Id: edonr.h 517 2013-02-17 20:34:39Z joern $
*/
/*
* Portions copyright (c) 2013, Saso Kiselkov, All rights reserved
*/
#ifndef _SYS_EDONR_H_
#define _SYS_EDONR_H_
#ifdef __cplusplus
extern "C" {
#endif
#ifdef _KERNEL
#include <sys/types.h>
#else
#include <stdint.h> /* uint32_t... */
#include <stdlib.h> /* size_t ... */
#endif
/*
* EdonR allows to call EdonRUpdate() consecutively only if the total length
* of stored unprocessed data and the new supplied data is less than or equal
* to the BLOCK_SIZE on which the compression functions operates.
* Otherwise an assertion failure is invoked.
*/
/* Specific algorithm definitions */
#define EdonR224_DIGEST_SIZE 28
#define EdonR224_BLOCK_SIZE 64
#define EdonR256_DIGEST_SIZE 32
#define EdonR256_BLOCK_SIZE 64
#define EdonR384_DIGEST_SIZE 48
#define EdonR384_BLOCK_SIZE 128
#define EdonR512_DIGEST_SIZE 64
#define EdonR512_BLOCK_SIZE 128
#define EdonR256_BLOCK_BITSIZE 512
#define EdonR512_BLOCK_BITSIZE 1024
typedef struct {
uint32_t DoublePipe[16];
uint8_t LastPart[EdonR256_BLOCK_SIZE * 2];
} EdonRData256;
typedef struct {
uint64_t DoublePipe[16];
uint8_t LastPart[EdonR512_BLOCK_SIZE * 2];
} EdonRData512;
typedef struct {
size_t hashbitlen;
/* + algorithm specific parameters */
int unprocessed_bits;
uint64_t bits_processed;
union {
EdonRData256 p256[1];
EdonRData512 p512[1];
} pipe[1];
} EdonRState;
void EdonRInit(EdonRState *state, size_t hashbitlen);
void EdonRUpdate(EdonRState *state, const uint8_t *data, size_t databitlen);
void EdonRFinal(EdonRState *state, uint8_t *hashval);
void EdonRHash(size_t hashbitlen, const uint8_t *data, size_t databitlen,
uint8_t *hashval);
#ifdef __cplusplus
}
#endif
#endif /* _SYS_EDONR_H_ */