FreeBSD/Linux Kernel Cross Reference
sys/contrib/openzfs/include/sys/edonr.h

     /*
      * 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_ */

Cache object: 672dd6591b40e9737542c1d2f9aa5a55