3 * $Id: gcipher.h,v 1.1 1999/12/10 23:16:01 mdw Exp $
5 * Generic symmetric cipher 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_GCIPHER_H
39 #define CATACOMB_GCIPHER_H
45 /*----- Header files ------------------------------------------------------*/
49 /*----- Generic symmetric cipher interface --------------------------------*/
51 typedef struct gccipher_base
{
52 const char *name
; /* Cipher name */
53 size_t keysz
; /* Preferred key size in bytes */
54 size_t blksz
; /* Block size or zero if none */
57 typedef struct gcipher
{
58 const struct gcipher_ops
*ops
; /* Pointer to cipher operations */
61 typedef struct gcipher_ops
{
62 const struct gccipher_base
*b
; /* Pointer to basic information */
63 void (*encrypt
)(gcipher */
*c*/
, const void */
*s*/
,
64 void */
*t*/
, size_t /*sz*/);
65 void (*decrypt
)(gcipher */
*c*/
, const void */
*s*/
,
66 void */
*t*/
, size_t /*sz*/);
67 void (*destroy
)(gcipher */
*c*/
);
68 void (*setiv
)(gcipher */
*c*/
, const void */
*iv*/
);
69 void (*bdry
)(gcipher */
*c*/
);
72 typedef struct gccipher
{
74 gcipher
*(*init
)(const void */
*k*/
, size_t /*sz*/);
77 /*----- That's all, folks -------------------------------------------------*/