3 * $Id: ghash.h,v 1.1 1999/12/10 23:16:01 mdw Exp $
5 * Generic hash function interface
7 * (c) 1999 Straylight/Edgeware
10 /*----- Licensing notice --------------------------------------------------*
12 * This file is part of Catacomb.
14 * Catacomb is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU Library General Public License as
16 * published by the Free Software Foundation; either version 2 of the
17 * License, or (at your option) any later version.
19 * Catacomb is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU Library General Public License for more details.
24 * You should have received a copy of the GNU Library General Public
25 * License along with Catacomb; if not, write to the Free
26 * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
30 /*----- Revision history --------------------------------------------------*
33 * Revision 1.1 1999/12/10 23:16:01 mdw
38 #ifndef CATACOMB_GHASH_H
39 #define CATACOMB_GHASH_H
45 /*----- Header files ------------------------------------------------------*/
49 /*----- Generic hash function interface -----------------------------------*/
51 typedef struct gchash_base
{
52 const char *name
; /* Name of the hash function */
53 size_t hashsz
; /* Size of output hash */
56 typedef struct ghash
{
57 const struct ghash_ops
*ops
; /* Pointer to hash operations */
60 typedef struct ghash_ops
{
61 const gchash_base
*b
; /* Pointer to basic information */
62 void (*hash
)(ghash */
*h*/
, const void */
*p*/
, size_t /*sz*/); /* Hash */
63 void (*done
)(ghash */
*h*/
, void */
*buf*/
); /* Write result */
64 void (*destroy
)(ghash */
*h*/
); /* Destroy hash block */
67 typedef struct gchash
{
68 gchash_base b
; /* Basic bits of information */
69 ghash
*(*init
)(void); /* Create a new hash instance */
72 /*----- That's all, folks -------------------------------------------------*/