aa1082f2 |
1 | /* -*-c-*- |
2 | * |
3 | * $Id: gcipher.h,v 1.1 1999/12/10 23:16:01 mdw Exp $ |
4 | * |
5 | * Generic symmetric cipher interface |
6 | * |
7 | * (c) 1999 Straylight/Edgeware |
8 | */ |
9 | |
10 | /*----- Licensing notice --------------------------------------------------* |
11 | * |
12 | * This file is part of Catacomb. |
13 | * |
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. |
18 | * |
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. |
23 | * |
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, |
27 | * MA 02111-1307, USA. |
28 | */ |
29 | |
30 | /*----- Revision history --------------------------------------------------* |
31 | * |
32 | * $Log: gcipher.h,v $ |
33 | * Revision 1.1 1999/12/10 23:16:01 mdw |
34 | * Generic interface. |
35 | * |
36 | */ |
37 | |
38 | #ifndef CATACOMB_GCIPHER_H |
39 | #define CATACOMB_GCIPHER_H |
40 | |
41 | #ifdef __cplusplus |
42 | extern "C" { |
43 | #endif |
44 | |
45 | /*----- Header files ------------------------------------------------------*/ |
46 | |
47 | #include <stddef.h> |
48 | |
49 | /*----- Generic symmetric cipher interface --------------------------------*/ |
50 | |
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 */ |
55 | } gccipher_base; |
56 | |
57 | typedef struct gcipher { |
58 | const struct gcipher_ops *ops; /* Pointer to cipher operations */ |
59 | } gcipher; |
60 | |
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*/); |
70 | } gcipher_ops; |
71 | |
72 | typedef struct gccipher { |
73 | gccipher_base b; |
74 | gcipher *(*init)(const void */*k*/, size_t /*sz*/); |
75 | } gccipher; |
76 | |
77 | /*----- That's all, folks -------------------------------------------------*/ |
78 | |
79 | #ifdef __cplusplus |
80 | } |
81 | #endif |
82 | |
83 | #endif |