2001-08-06 21:24:11 +00:00
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/* $OpenBSD: rijndael.h,v 1.9 2001/07/30 16:23:30 stevesk Exp $ */
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2001-03-05 06:50:47 +00:00
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/* This is an independent implementation of the encryption algorithm: */
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/* */
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/* RIJNDAEL by Joan Daemen and Vincent Rijmen */
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/* */
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/* which is a candidate algorithm in the Advanced Encryption Standard */
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/* programme of the US National Institute of Standards and Technology. */
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2001-08-06 21:24:11 +00:00
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/*
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-----------------------------------------------------------------------
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Copyright (c) 2001 Dr Brian Gladman <brg@gladman.uk.net>, Worcester, UK
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TERMS
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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This software is provided 'as is' with no guarantees of correctness or
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fitness for purpose.
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-----------------------------------------------------------------------
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*/
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2001-01-29 07:39:26 +00:00
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2000-12-10 01:55:37 +00:00
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#ifndef _RIJNDAEL_H_
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#define _RIJNDAEL_H_
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2000-10-14 05:23:11 +00:00
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2000-12-10 01:55:37 +00:00
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#include "config.h"
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2000-10-15 01:21:32 +00:00
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2000-12-10 01:55:37 +00:00
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/* 1. Standard types for AES cryptography source code */
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2000-10-14 05:23:11 +00:00
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2000-12-10 01:55:37 +00:00
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typedef u_int8_t u1byte; /* an 8 bit unsigned character type */
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typedef u_int16_t u2byte; /* a 16 bit unsigned integer type */
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typedef u_int32_t u4byte; /* a 32 bit unsigned integer type */
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2000-10-14 05:23:11 +00:00
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2000-12-10 01:55:37 +00:00
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typedef int8_t s1byte; /* an 8 bit signed character type */
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typedef int16_t s2byte; /* a 16 bit signed integer type */
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typedef int32_t s4byte; /* a 32 bit signed integer type */
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2000-10-14 05:23:11 +00:00
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2000-12-10 01:55:37 +00:00
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typedef struct _rijndael_ctx {
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u4byte k_len;
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int decrypt;
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u4byte e_key[64];
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u4byte d_key[64];
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} rijndael_ctx;
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2000-10-14 05:23:11 +00:00
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2000-12-10 01:55:37 +00:00
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/* 2. Standard interface for AES cryptographic routines */
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/* These are all based on 32 bit unsigned values and will therefore */
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/* require endian conversions for big-endian architectures */
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2001-05-10 23:26:11 +00:00
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rijndael_ctx *
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rijndael_set_key __P((rijndael_ctx *, const u4byte *, const u4byte, int));
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2000-12-10 01:55:37 +00:00
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void rijndael_encrypt __P((rijndael_ctx *, const u4byte *, u4byte *));
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void rijndael_decrypt __P((rijndael_ctx *, const u4byte *, u4byte *));
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#endif /* _RIJNDAEL_H_ */
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