include/sys/edonr.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://opensource.org/licenses/CDDL-1.0.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21
  22 /*
  23  * Based on Edon-R implementation for SUPERCOP, based on NIST API.
  24  * Copyright (c) 2009, 2010 Jørn Amundsen <jorn.amundsen@ntnu.no>
  25  * Copyright (c) 2013 Saso Kiselkov, All rights reserved
  26  * Copyright (c) 2022 Tino Reichardt <milky-zfs@mcmilk.de>
  27  */
  28
  29 #ifndef _SYS_EDONR_H_
  30 #define _SYS_EDONR_H_
  31
  32 #ifdef  __cplusplus
  33 extern "C" {
  34 #endif
  35
  36 #ifdef  _KERNEL
  37 #include <sys/types.h>
  38 #else
  39 #include <stdint.h>
  40 #include <stdlib.h>
  41 #endif
  42
  43 /*
  44  * EdonR allows to call EdonRUpdate() consecutively only if the total length
  45  * of stored unprocessed data and the new supplied data is less than or equal
  46  * to the BLOCK_SIZE on which the compression functions operates.
  47  * Otherwise an assertion failure is invoked.
  48  */
  49
  50 /* Specific algorithm definitions */
  51 #define EdonR512_DIGEST_SIZE    64
  52 #define EdonR512_BLOCK_SIZE     128
  53 #define EdonR512_BLOCK_BITSIZE  1024
  54
  55 typedef struct {
  56         uint64_t DoublePipe[16];
  57         uint8_t LastPart[EdonR512_BLOCK_SIZE * 2];
  58 } EdonRData512;
  59
  60 typedef struct {
  61         uint64_t bits_processed;
  62         int unprocessed_bits;
  63         union {
  64                 EdonRData512 p512[1];
  65         } pipe[1];
  66 } EdonRState;
  67
  68 void EdonRInit(EdonRState *state);
  69 void EdonRUpdate(EdonRState *state, const uint8_t *data, size_t databitlen);
  70 void EdonRFinal(EdonRState *state, uint8_t *hashval);
  71 void EdonRHash(const uint8_t *data, size_t databitlen, uint8_t *hashval);
  72
  73 #ifdef  __cplusplus
  74 }
  75 #endif
  76
  77 #endif  /* _SYS_EDONR_H_ */