sys/opencrypto/rijndael.h

   1 /*      $FreeBSD: src/sys/opencrypto/rijndael.h,v 1.1.2.1 2002/11/21 23:34:23 sam Exp $ */
   2 /*      $DragonFly: src/sys/opencrypto/rijndael.h,v 1.2 2003/06/17 04:28:54 dillon Exp $        */
   3 /*      $OpenBSD: rijndael.h,v 1.7 2001/12/19 17:42:24 markus Exp $ */
   4
   5 /**
   6  * rijndael-alg-fst.h
   7  *
   8  * @version 3.0 (December 2000)
   9  *
  10  * Optimised ANSI C code for the Rijndael cipher (now AES)
  11  *
  12  * @author Vincent Rijmen <vincent.rijmen@esat.kuleuven.ac.be>
  13  * @author Antoon Bosselaers <antoon.bosselaers@esat.kuleuven.ac.be>
  14  * @author Paulo Barreto <paulo.barreto@terra.com.br>
  15  *
  16  * This code is hereby placed in the public domain.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''AS IS'' AND ANY EXPRESS
  19  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  20  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE
  22  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
  25  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  26  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
  27  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
  28  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29  */
  30 #ifndef __RIJNDAEL_H
  31 #define __RIJNDAEL_H
  32
  33 #define MAXKC   (256/32)
  34 #define MAXKB   (256/8)
  35 #define MAXNR   14
  36
  37 typedef unsigned char   u8;
  38 typedef unsigned short  u16;
  39 typedef unsigned int    u32;
  40
  41 /*  The structure for key information */
  42 typedef struct {
  43         int     decrypt;
  44         int     Nr;                     /* key-length-dependent number of rounds */
  45         u32     ek[4*(MAXNR + 1)];      /* encrypt key schedule */
  46         u32     dk[4*(MAXNR + 1)];      /* decrypt key schedule */
  47 } rijndael_ctx;
  48
  49 void     rijndael_set_key(rijndael_ctx *, u_char *, int, int);
  50 void     rijndael_decrypt(rijndael_ctx *, u_char *, u_char *);
  51 void     rijndael_encrypt(rijndael_ctx *, u_char *, u_char *);
  52
  53 #endif /* __RIJNDAEL_H */