Saphe Implementation - AES.h
/*
 *  FIPS-197 compliant AES implementation
 *
 *  Copyright (C) 2001-2004  Christophe Devine
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
 
#ifndef _AES_H
#define _AES_H
 
#ifndef uint8
#define uint8  unsigned char
#endif
 
#ifndef uint32
#define uint32 unsigned long int
#endif
 
typedef struct
{
    uint32 erk[64];     /* encryption round keys */
    uint32 drk[64];     /* decryption round keys */
    int nr;             /* number of rounds */
}
aes_context;
 
int  aes_set_key( aes_context *ctx, uint8 *key, int nbits );
void aes_encrypt( aes_context *ctx, uint8 input[16], uint8 output[16] );
void aes_decrypt( aes_context *ctx, uint8 input[16], uint8 output[16] );
 
#endif /* aes.h */

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