include/sys/edonr.h

   1 /*
   2  * IDI,NTNU
   3  *
   4  * CDDL HEADER START
   5  *
   6  * The contents of this file are subject to the terms of the
   7  * Common Development and Distribution License (the "License").
   8  * You may not use this file except in compliance with the License.
   9  *
  10  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  11  * or http://opensource.org/licenses/CDDL-1.0.
  12  * See the License for the specific language governing permissions
  13  * and limitations under the License.
  14  *
  15  * When distributing Covered Code, include this CDDL HEADER in each
  16  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  17  * If applicable, add the following below this CDDL HEADER, with the
  18  * fields enclosed by brackets "[]" replaced with your own identifying
  19  * information: Portions Copyright [yyyy] [name of copyright owner]
  20  *
  21  * CDDL HEADER END
  22  *
  23  * Copyright (C) 2009, 2010, Jorn Amundsen <jorn.amundsen@ntnu.no>
  24  *
  25  * Tweaked Edon-R implementation for SUPERCOP, based on NIST API.
  26  *
  27  * $Id: edonr.h 517 2013-02-17 20:34:39Z joern $
  28  */
  29 /*
  30  * Portions copyright (c) 2013, Saso Kiselkov, All rights reserved
  31  */
  32
  33 #ifndef _SYS_EDONR_H_
  34 #define _SYS_EDONR_H_
  35
  36 #ifdef  __cplusplus
  37 extern "C" {
  38 #endif
  39
  40 #include <sys/types.h>
  41
  42 /*
  43  * EdonR allows to call EdonRUpdate() consecutively only if the total length
  44  * of stored unprocessed data and the new supplied data is less than or equal
  45  * to the BLOCK_SIZE on which the compression functions operates.
  46  * Otherwise an assertion failure is invoked.
  47  */
  48
  49 /* Specific algorithm definitions */
  50 #define EdonR224_DIGEST_SIZE    28
  51 #define EdonR224_BLOCK_SIZE     64
  52 #define EdonR256_DIGEST_SIZE    32
  53 #define EdonR256_BLOCK_SIZE     64
  54 #define EdonR384_DIGEST_SIZE    48
  55 #define EdonR384_BLOCK_SIZE     128
  56 #define EdonR512_DIGEST_SIZE    64
  57 #define EdonR512_BLOCK_SIZE     128
  58
  59 #define EdonR256_BLOCK_BITSIZE  512
  60 #define EdonR512_BLOCK_BITSIZE  1024
  61
  62 typedef struct {
  63         uint32_t DoublePipe[16];
  64         uint8_t LastPart[EdonR256_BLOCK_SIZE * 2];
  65 } EdonRData256;
  66 typedef struct {
  67         uint64_t DoublePipe[16];
  68         uint8_t LastPart[EdonR512_BLOCK_SIZE * 2];
  69 } EdonRData512;
  70
  71 typedef struct {
  72         size_t hashbitlen;
  73
  74         /* + algorithm specific parameters */
  75         int unprocessed_bits;
  76         uint64_t bits_processed;
  77         union {
  78                 EdonRData256 p256[1];
  79                 EdonRData512 p512[1];
  80         } pipe[1];
  81 } EdonRState;
  82
  83 void EdonRInit(EdonRState *state, size_t hashbitlen);
  84 void EdonRUpdate(EdonRState *state, const uint8_t *data, size_t databitlen);
  85 void EdonRFinal(EdonRState *state, uint8_t *hashval);
  86 void EdonRHash(size_t hashbitlen, const uint8_t *data, size_t databitlen,
  87     uint8_t *hashval);
  88
  89 #ifdef  __cplusplus
  90 }
  91 #endif
  92
  93 #endif  /* _SYS_EDONR_H_ */