diff options
Diffstat (limited to 'rijndael.h')
| -rw-r--r-- | rijndael.h | 48 |
1 files changed, 27 insertions, 21 deletions
@@ -1,27 +1,33 @@ -/* - * rijndael-alg-fst.h v2.4 April '2000 - * rijndael-api-fst.h v2.4 April '2000 - * - * Optimised ANSI C code - * - */ +#ifndef _RIJNDAEL_H_ +#define _RIJNDAEL_H_ -#ifndef RIJNDAEL_H -#define RIJNDAEL_H +#include "config.h" -#define RIJNDAEL_MAXKC (256/32) -#define RIJNDAEL_MAXROUNDS 14 +/* 1. Standard types for AES cryptography source code */ -#define RIJNDAEL_ENCRYPT 0 -#define RIJNDAEL_DECRYPT 1 +typedef u_int8_t u1byte; /* an 8 bit unsigned character type */ +typedef u_int16_t u2byte; /* a 16 bit unsigned integer type */ +typedef u_int32_t u4byte; /* a 32 bit unsigned integer type */ -typedef struct { - int ROUNDS; /* key-length-dependent number of rounds */ - u_int8_t keySched[RIJNDAEL_MAXROUNDS+1][4][4]; -} rijndael_key; +typedef int8_t s1byte; /* an 8 bit signed character type */ +typedef int16_t s2byte; /* a 16 bit signed integer type */ +typedef int32_t s4byte; /* a 32 bit signed integer type */ -int rijndael_encrypt(rijndael_key *key, u_int8_t a[16], u_int8_t b[16]); -int rijndael_decrypt(rijndael_key *key, u_int8_t a[16], u_int8_t b[16]); -int rijndael_makekey(rijndael_key *key, int direction, int keyLen, u_int8_t *keyMaterial); +typedef struct _rijndael_ctx { + u4byte k_len; + int decrypt; + u4byte e_key[64]; + u4byte d_key[64]; +} rijndael_ctx; -#endif + +/* 2. Standard interface for AES cryptographic routines */ + +/* These are all based on 32 bit unsigned values and will therefore */ +/* require endian conversions for big-endian architectures */ + +rijndael_ctx *rijndael_set_key __P((rijndael_ctx *, const u4byte *, u4byte, int)); +void rijndael_encrypt __P((rijndael_ctx *, const u4byte *, u4byte *)); +void rijndael_decrypt __P((rijndael_ctx *, const u4byte *, u4byte *)); + +#endif /* _RIJNDAEL_H_ */ |