3 * $Id: gmac.h,v 1.3 2004/04/04 19:42:30 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 1.3 2004/04/04 19:42:30 mdw
34 * Make tables of standard encryption schemes etc.
36 * Revision 1.2 2000/06/17 11:22:46 mdw
37 * Minor changes in the generic hash and MAC interfaces.
39 * Revision 1.1 1999/12/10 23:16:01 mdw
44 #ifndef CATACOMB_GMAC_H
45 #define CATACOMB_GMAC_H
51 /*----- Header files ------------------------------------------------------*/
55 #ifndef CATACOMB_GCIPHER_H
59 #ifndef CATACOMB_GHASH_H
63 /*----- Generic MAC function interface ------------------------------------*/
66 const struct gmac_ops
*ops
; /* Pointer to MAC operations */
69 typedef struct gmac_ops
{
70 const struct gcmac
*c
; /* Pointer to MAC class */
71 ghash
*(*init
)(gmac */
*m*/
); /* Create keyed hash instance */
72 void (*destroy
)(gmac */
*m*/
); /* Destroy MAC key block */
75 typedef struct gcmac
{
76 const char *name
; /* Name of the MAC function */
77 size_t hashsz
; /* Size of output hash */
78 const octet
*keysz
; /* Key size options */
79 gmac
*(*key
)(const void */
*k*/
, size_t /*sz*/); /* Create key */
82 #define GM_KEY(cm, k, ksz) (cm)->key((k), (ksz))
83 #define GM_CLASS(km) (km)->ops->c
84 #define GM_INIT(km) (km)->ops->init((km))
85 #define GM_DESTROY(km) (km)->ops->destroy((km))
87 /*----- Tables ------------------------------------------------------------*/
89 extern const gcmac
*const gmactab
[];
91 /* --- @gmac_byname@ --- *
93 * Arguments: @const char *p@ = pointer to name string
95 * Returns: The named cipher class, or null.
98 extern const gcmac
*gmac_byname(const char */
*p*/
);
100 /*----- That's all, folks -------------------------------------------------*/