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/**
* airpdcap_rijndael.h
*
* $Id$
*
* @version 3.0 (December 2000)
*
* Optimised ANSI C code for the Rijndael cipher (now AES)
*
* @author Vincent Rijmen <vincent.rijmen@esat.kuleuven.ac.be>
* @author Antoon Bosselaers <antoon.bosselaers@esat.kuleuven.ac.be>
* @author Paulo Barreto <paulo.barreto@terra.com.br>
*
* This code is hereby placed in the public domain.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''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 AUTHORS 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.
*/
#ifndef _AIRPDCAP_RIJNDAEL
#define _AIRPDCAP_RIJNDAEL
/******************************************************************************/
/* File includes */
/* */
#include "airpdcap_interop.h"
/* */
/* */
/******************************************************************************/
/******************************************************************************/
/* Definitions */
/* */
/* Note: copied AirPDcap/rijndael/rijndael.h */
#define RIJNDAEL_MAXKC (256/32)
#define RIJNDAEL_MAXKB (256/8)
#define RIJNDAEL_MAXNR 14
/* */
/******************************************************************************/
/******************************************************************************/
/* Type definitions */
/* */
/* Note: copied AirPDcap/rijndael/rijndael.h */
typedef struct s_rijndael_ctx {
INT decrypt;
INT Nr; /* key-length-dependent number of rounds */
UINT32 ek[4 * (RIJNDAEL_MAXNR + 1)]; /* encrypt key schedule */
UINT32 dk[4 * (RIJNDAEL_MAXNR + 1)]; /* decrypt key schedule */
} rijndael_ctx;
/* */
/******************************************************************************/
/******************************************************************************/
/* External function prototypes declarations */
/* */
void rijndael_encrypt(
const rijndael_ctx *ctx,
const UCHAR *src,
UCHAR *dst)
;
void rijndael_set_key(
rijndael_ctx *ctx,
const UCHAR *key,
INT bits)
;
/* */
/******************************************************************************/
/******************************************************************************/
/* External function definition */
/* */
static __inline void xor_block(
UINT8 *b,
const UINT8 *a,
size_t len)
{
INT i;
for (i = 0; i < (INT)len; i++)
b[i] ^= a[i];
}
/* */
/******************************************************************************/
#endif
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