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/*
* Copyright (c) 2003-2004 Kungliga Tekniska Högskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/* $Id: aes.h,v 1.4 2005/04/10 19:09:47 lha Exp $ */
#ifndef HEIM_AES_H
#define HEIM_AES_H 1
#define AES_BLOCK_SIZE 16
#define AES_MAXNR 14
#define AES_ENCRYPT 1
#define AES_DECRYPT 0
typedef struct aes_key {
u_int32_t key[(AES_MAXNR+1)*4];
int rounds;
} AES_KEY;
int AES_set_encrypt_key(const unsigned char *, const int, AES_KEY *);
int AES_set_decrypt_key(const unsigned char *, const int, AES_KEY *);
void AES_encrypt(const unsigned char *, unsigned char *, const AES_KEY *);
void AES_decrypt(const unsigned char *, unsigned char *, const AES_KEY *);
void AES_cbc_encrypt(const unsigned char *, unsigned char *,
const unsigned long, const AES_KEY *,
unsigned char *, int);
#endif /* HEIM_AES_H */
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