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authorBen Lindstrom <mouring@eviladmin.org>2000-12-07 05:57:27 +0000
committerBen Lindstrom <mouring@eviladmin.org>2000-12-07 05:57:27 +0000
commit01f8463b15ead597f8ecf0052fd7569240dcaab9 (patch)
tree73ab1f33ee4c21041c160a93ff30e47c8179512b /rijndael.h
parenta14ee47f2eee3030cd784b93985a4de417a4b14c (diff)
- markus@cvs.openbsd.org 2000/12/06 23:10:39
[rijndael.c] unexpand(1) - markus@cvs.openbsd.org 2000/12/06 23:05:43 [cipher.c cipher.h rijndael.c rijndael.h rijndael_boxes.h] new rijndael implementation. fixes endian bugs
Diffstat (limited to 'rijndael.h')
-rw-r--r--rijndael.h48
1 files changed, 21 insertions, 27 deletions
diff --git a/rijndael.h b/rijndael.h
index 09c425742..75853cfff 100644
--- a/rijndael.h
+++ b/rijndael.h
@@ -1,33 +1,27 @@
1#ifndef _RIJNDAEL_H_ 1/*
2#define _RIJNDAEL_H_ 2 * rijndael-alg-fst.h v2.4 April '2000
3 * rijndael-api-fst.h v2.4 April '2000
4 *
5 * Optimised ANSI C code
6 *
7 */
3 8
4#include "config.h" 9#ifndef RIJNDAEL_H
10#define RIJNDAEL_H
5 11
6/* 1. Standard types for AES cryptography source code */ 12#define RIJNDAEL_MAXKC (256/32)
13#define RIJNDAEL_MAXROUNDS 14
7 14
8typedef u_int8_t u1byte; /* an 8 bit unsigned character type */ 15#define RIJNDAEL_ENCRYPT 0
9typedef u_int16_t u2byte; /* a 16 bit unsigned integer type */ 16#define RIJNDAEL_DECRYPT 1
10typedef u_int32_t u4byte; /* a 32 bit unsigned integer type */
11 17
12typedef int8_t s1byte; /* an 8 bit signed character type */ 18typedef struct {
13typedef int16_t s2byte; /* a 16 bit signed integer type */ 19 int ROUNDS; /* key-length-dependent number of rounds */
14typedef int32_t s4byte; /* a 32 bit signed integer type */ 20 u_int8_t keySched[RIJNDAEL_MAXROUNDS+1][4][4];
21} rijndael_key;
15 22
16typedef struct _rijndael_ctx { 23int rijndael_encrypt(rijndael_key *key, u_int8_t a[16], u_int8_t b[16]);
17 u4byte k_len; 24int rijndael_decrypt(rijndael_key *key, u_int8_t a[16], u_int8_t b[16]);
18 int decrypt; 25int rijndael_makekey(rijndael_key *key, int direction, int keyLen, u_int8_t *keyMaterial);
19 u4byte e_key[64];
20 u4byte d_key[64];
21} rijndael_ctx;
22 26
23 27#endif
24/* 2. Standard interface for AES cryptographic routines */
25
26/* These are all based on 32 bit unsigned values and will therefore */
27/* require endian conversions for big-endian architectures */
28
29rijndael_ctx *rijndael_set_key __P((rijndael_ctx *, const u4byte *, u4byte, int));
30void rijndael_encrypt __P((rijndael_ctx *, const u4byte *, u4byte *));
31void rijndael_decrypt __P((rijndael_ctx *, const u4byte *, u4byte *));
32
33#endif /* _RIJNDAEL_H_ */