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52 lines
1.8 KiB
C
52 lines
1.8 KiB
C
/* $OpenBSD: rijndael.h,v 1.12 2001/12/19 07:18:56 deraadt Exp $ */
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/**
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* rijndael-alg-fst.h
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*
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* @version 3.0 (December 2000)
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*
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* Optimised ANSI C code for the Rijndael cipher (now AES)
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*
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* @author Vincent Rijmen <vincent.rijmen@esat.kuleuven.ac.be>
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* @author Antoon Bosselaers <antoon.bosselaers@esat.kuleuven.ac.be>
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* @author Paulo Barreto <paulo.barreto@terra.com.br>
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*
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* This code is hereby placed in the public domain.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __RIJNDAEL_H
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#define __RIJNDAEL_H
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#define MAXKC (256/32)
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#define MAXKB (256/8)
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#define MAXNR 14
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typedef unsigned char u8;
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typedef unsigned short u16;
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typedef unsigned int u32;
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/* The structure for key information */
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typedef struct {
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int decrypt;
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int Nr; /* key-length-dependent number of rounds */
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u32 ek[4*(MAXNR + 1)]; /* encrypt key schedule */
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u32 dk[4*(MAXNR + 1)]; /* decrypt key schedule */
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} rijndael_ctx;
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void rijndael_set_key(rijndael_ctx *, u_char *, int, int);
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void rijndael_decrypt(rijndael_ctx *, u_char *, u_char *);
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void rijndael_encrypt(rijndael_ctx *, u_char *, u_char *);
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#endif /* __RIJNDAEL_H */
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