forked from osmocom/wireshark
94 lines
3.3 KiB
C
94 lines
3.3 KiB
C
/**
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* airpdcap_rijndael.h
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*
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* $Id$
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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 _AIRPDCAP_RIJNDAEL
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#define _AIRPDCAP_RIJNDAEL
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/******************************************************************************/
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/* File includes */
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/* */
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#include "airpdcap_interop.h"
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/* */
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/* */
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/******************************************************************************/
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/******************************************************************************/
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/* Definitions */
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/* */
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/* Note: copied AirPDcap/rijndael/rijndael.h */
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#define RIJNDAEL_MAXKC (256/32)
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#define RIJNDAEL_MAXKB (256/8)
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#define RIJNDAEL_MAXNR 14
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/* */
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/******************************************************************************/
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/******************************************************************************/
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/* Type definitions */
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/* */
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/* Note: copied AirPDcap/rijndael/rijndael.h */
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typedef struct s_rijndael_ctx {
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INT decrypt;
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INT Nr; /* key-length-dependent number of rounds */
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UINT32 ek[4 * (RIJNDAEL_MAXNR + 1)]; /* encrypt key schedule */
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UINT32 dk[4 * (RIJNDAEL_MAXNR + 1)]; /* decrypt key schedule */
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} rijndael_ctx;
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/* */
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/******************************************************************************/
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/******************************************************************************/
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/* External function prototypes declarations */
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/* */
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void rijndael_encrypt(
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const rijndael_ctx *ctx,
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const UCHAR *src,
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UCHAR *dst)
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;
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void rijndael_set_key(
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rijndael_ctx *ctx,
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const UCHAR *key,
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INT bits)
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;
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/* */
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/******************************************************************************/
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/******************************************************************************/
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/* Block XOR macro definition */
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/* */
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#define XOR_BLOCK(b, a, len) \
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{ \
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INT i; \
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for (i = 0; i < (INT)(len); i++) \
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(b)[i] ^= (a)[i]; \
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}
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/* */
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/******************************************************************************/
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#endif
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