3 * $Id: gmac.h,v 1.2 2000/06/17 11:22:46 mdw Exp $
5 * Generic MAC 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 1.2 2000/06/17 11:22:46 mdw
34 * Minor changes in the generic hash and MAC interfaces.
36 * Revision 1.1 1999/12/10 23:16:01 mdw
41 #ifndef CATACOMB_GMAC_H
42 #define CATACOMB_GMAC_H
48 /*----- Header files ------------------------------------------------------*/
52 #ifndef CATACOMB_GCIPHER_H
56 #ifndef CATACOMB_GHASH_H
60 /*----- Generic MAC function interface ------------------------------------*/
63 const struct gmac_ops *ops; /* Pointer to MAC operations */
66 typedef struct gmac_ops {
67 const struct gcmac *c; /* Pointer to MAC class */
68 ghash *(*init)(gmac */*m*/); /* Create keyed hash instance */
69 void (*destroy)(gmac */*m*/); /* Destroy MAC key block */
72 typedef struct gcmac {
73 const char *name; /* Name of the MAC function */
74 size_t hashsz; /* Size of output hash */
75 const octet *keysz; /* Key size options */
76 gmac *(*key)(const void */*k*/, size_t /*sz*/); /* Create key */
79 /*----- That's all, folks -------------------------------------------------*/