[openssh.git] / rijndael.h

/*	$OpenBSD: rijndael.h,v 1.7 2001/03/01 03:38:33 deraadt Exp $	*/

/* This is an independent implementation of the encryption algorithm:   */
/*                                                                      */
/*         RIJNDAEL by Joan Daemen and Vincent Rijmen                   */
/*                                                                      */
/* which is a candidate algorithm in the Advanced Encryption Standard   */
/* programme of the US National Institute of Standards and Technology.  */
/*                                                                      */
/* Copyright in this implementation is held by Dr B R Gladman but I     */
/* hereby give permission for its free direct or derivative use subject */
/* to acknowledgment of its origin and compliance with any conditions   */
/* that the originators of the algorithm place on its exploitation.     */
/*                                                                      */
/* Dr Brian Gladman (gladman@seven77.demon.co.uk) 14th January 1999     */

#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_ */
Commit	Line	Data
4371658c	1	/* $OpenBSD: rijndael.h,v 1.7 2001/03/01 03:38:33 deraadt Exp $ */
	2
	3	/* This is an independent implementation of the encryption algorithm: */
	4	/* */
	5	/* RIJNDAEL by Joan Daemen and Vincent Rijmen */
	6	/* */
	7	/* which is a candidate algorithm in the Advanced Encryption Standard */
	8	/* programme of the US National Institute of Standards and Technology. */
	9	/* */
	10	/* Copyright in this implementation is held by Dr B R Gladman but I */
	11	/* hereby give permission for its free direct or derivative use subject */
	12	/* to acknowledgment of its origin and compliance with any conditions */
	13	/* that the originators of the algorithm place on its exploitation. */
	14	/* */
	15	/* Dr Brian Gladman (gladman@seven77.demon.co.uk) 14th January 1999 */
23c2a7a5	16
6b523bae	17	#ifndef _RIJNDAEL_H_
6b523bae	18	#define _RIJNDAEL_H_
94ec8c6b	19
6b523bae	20	#include "config.h"
4d670c24	21
6b523bae	22	/* 1. Standard types for AES cryptography source code */
94ec8c6b	23
6b523bae	24	typedef u_int8_t u1byte; /* an 8 bit unsigned character type */
	25	typedef u_int16_t u2byte; /* a 16 bit unsigned integer type */
	26	typedef u_int32_t u4byte; /* a 32 bit unsigned integer type */
94ec8c6b	27
6b523bae	28	typedef int8_t s1byte; /* an 8 bit signed character type */
	29	typedef int16_t s2byte; /* a 16 bit signed integer type */
	30	typedef int32_t s4byte; /* a 32 bit signed integer type */
94ec8c6b	31
6b523bae	32	typedef struct _rijndael_ctx {
	33	u4byte k_len;
	34	int decrypt;
	35	u4byte e_key[64];
	36	u4byte d_key[64];
	37	} rijndael_ctx;
94ec8c6b	38
6b523bae	39
	40	/* 2. Standard interface for AES cryptographic routines */
	41
	42	/* These are all based on 32 bit unsigned values and will therefore */
	43	/* require endian conversions for big-endian architectures */
	44
	45	rijndael_ctx rijndael_set_key __P((rijndael_ctx , const u4byte *, u4byte, int));
	46	void rijndael_encrypt __P((rijndael_ctx , const u4byte , u4byte *));
	47	void rijndael_decrypt __P((rijndael_ctx , const u4byte , u4byte *));
	48
	49	#endif /* _RIJNDAEL_H_ */