zfs/include/sys/edonr.h

80 lines
2.2 KiB
C

/*
* 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
*/
/*
* Based on Edon-R implementation for SUPERCOP, based on NIST API.
* Copyright (c) 2009, 2010 Jørn Amundsen <jorn.amundsen@ntnu.no>
* Copyright (c) 2013 Saso Kiselkov, All rights reserved
* Copyright (c) 2022 Tino Reichardt <milky-zfs@mcmilk.de>
*/
#ifndef _SYS_EDONR_H_
#define _SYS_EDONR_H_
#ifdef __cplusplus
extern "C" {
#endif
#ifdef _KERNEL
#include <sys/types.h>
#else
#include <stdint.h>
#include <stdlib.h>
#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 EdonR512_DIGEST_SIZE 64
#define EdonR512_BLOCK_SIZE 128
#define EdonR256_BLOCK_BITSIZE 512
#define EdonR512_BLOCK_BITSIZE 1024
typedef struct {
uint64_t DoublePipe[16];
uint8_t LastPart[EdonR512_BLOCK_SIZE * 2];
} EdonRData512;
typedef struct {
uint64_t bits_processed;
int unprocessed_bits;
union {
EdonRData512 p512[1];
} pipe[1];
} EdonRState;
void EdonRInit(EdonRState *state);
void EdonRUpdate(EdonRState *state, const uint8_t *data, size_t databitlen);
void EdonRFinal(EdonRState *state, uint8_t *hashval);
void EdonRHash(const uint8_t *data, size_t databitlen, uint8_t *hashval);
#ifdef __cplusplus
}
#endif
#endif /* _SYS_EDONR_H_ */