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/* $OpenBSD: rijndael.h,v 1.6 2001/01/29 01:58:17 niklas Exp $ */
#ifndef _RIJNDAEL_H_
#define _RIJNDAEL_H_
#include "config.h"
/* 1. Standard types for AES cryptography source code */
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 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 */
typedef struct _rijndael_ctx {
u4byte k_len;
int decrypt;
u4byte e_key[64];
u4byte d_key[64];
} rijndael_ctx;
/* 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_ */
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