aes.h

/*NB_REVISION*/
 
/*
 *  FIPS-197 compliant AES implementation
 *
 *  Copyright (C) 2006-2007  Christophe Devine
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License, version 2.1 as published by the Free Software Foundation.
 *
 *  This library 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
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 *  MA  02110-1301  USA
 */
 
/*
 * @file aes.h
 * @brief Advanced Encryption Standard
 */

 
 
 
#ifndef _AES_H
#define _AES_H

typedef struct
{
    unsigned long erk[64]; 
    unsigned long drk[64]; 
    int nr;                
} aes_context;

void aes_set_key(aes_context *ctx, const unsigned char *key, int keysize);

void aes_encrypt(aes_context *ctx, unsigned char input[16], unsigned char output[16]);

void aes_decrypt(aes_context *ctx, unsigned char input[16], unsigned char output[16]);

void aes_cbc_encrypt(aes_context *ctx, unsigned char iv[16], unsigned char *input, unsigned char *output, int len);

void aes_cbc_decrypt(aes_context *ctx, unsigned char iv[16], unsigned char *input, unsigned char *output, int len);

int aes_self_test(int verbose);
 
#endif /* aes.h */