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51 lines
2.1 KiB
C
51 lines
2.1 KiB
C
/* $OpenBSD: rijndael.h,v 1.8 2001/05/09 23:01:31 markus Exp $ */
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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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/* */
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/* Copyright in this implementation is held by Dr B R Gladman but I */
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/* hereby give permission for its free direct or derivative use subject */
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/* to acknowledgment of its origin and compliance with any conditions */
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/* that the originators of the algorithm place on its exploitation. */
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/* */
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/* Dr Brian Gladman (gladman@seven77.demon.co.uk) 14th January 1999 */
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#ifndef _RIJNDAEL_H_
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#define _RIJNDAEL_H_
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#include "config.h"
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/* 1. Standard types for AES cryptography source code */
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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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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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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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/* 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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rijndael_ctx *
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rijndael_set_key __P((rijndael_ctx *, const u4byte *, const u4byte, int));
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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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