wireshark/wsutil/aes.h

67 lines
1.9 KiB
C

/**
* aes.h
*
* Copied from airpdcap_rijndael.h
*
* @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.
*/
/* Note: copied AirPDcap/rijndael/rijndael.h */
#ifndef _AES
#define _AES
#include "ws_symbol_export.h"
#define RIJNDAEL_MAXKC (256/32)
#define RIJNDAEL_MAXKB (256/8)
#define RIJNDAEL_MAXNR 14
typedef struct s_rijndael_ctx {
gint Nr; /* key-length-dependent number of rounds */
guint32 ek[4 * (RIJNDAEL_MAXNR + 1)]; /* encrypt key schedule */
guint32 dk[4 * (RIJNDAEL_MAXNR + 1)]; /* decrypt key schedule */
} rijndael_ctx;
WS_DLL_PUBLIC
void rijndael_set_key(
rijndael_ctx *ctx,
const guchar *key,
gint bits);
WS_DLL_PUBLIC
void rijndael_encrypt(
const rijndael_ctx *ctx,
const guchar *src,
guchar *dst);
WS_DLL_PUBLIC
void rijndael_decrypt(
const rijndael_ctx *ctx,
const guchar *src,
guchar *dst);
#endif