sys/crypto/rijndael/rijndael.h

   1 /*      $NetBSD: rijndael.h,v 1.2.28.3 2004/09/21 13:26:23 skrll Exp $  */
   2 /*      $KAME: rijndael.h,v 1.3 2003/07/15 10:47:16 itojun Exp $        */
   3
   4 /**
   5  * rijndael-alg-fst.h
   6  *
   7  * @version 3.0 (December 2000)
   8  *
   9  * Optimised ANSI C code for the Rijndael cipher (now AES)
  10  *
  11  * @author Vincent Rijmen <vincent.rijmen@esat.kuleuven.ac.be>
  12  * @author Antoon Bosselaers <antoon.bosselaers@esat.kuleuven.ac.be>
  13  * @author Paulo Barreto <paulo.barreto@terra.com.br>
  14  *
  15  * This code is hereby placed in the public domain.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''AS IS'' AND ANY EXPRESS
  18  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE
  21  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  22  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  23  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
  24  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  25  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
  26  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
  27  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #ifndef __RIJNDAEL_H
  31 #define __RIJNDAEL_H
  32
  33 #include <crypto/rijndael/rijndael-alg-fst.h>
  34
  35 typedef struct {
  36         int     decrypt;
  37         int     Nr;             /* key-length-dependent number of rounds */
  38         uint32_t ek[4 * (RIJNDAEL_MAXNR + 1)];  /* encrypt key schedule */
  39         uint32_t dk[4 * (RIJNDAEL_MAXNR + 1)];  /* decrypt key schedule */
  40 } rijndael_ctx;
  41
  42 void    rijndael_set_key(rijndael_ctx *, const u_char *, int);
  43 void    rijndael_decrypt(const rijndael_ctx *, const u_char *, u_char *);
  44 void    rijndael_encrypt(const rijndael_ctx *, const u_char *, u_char *);
  45
  46 #endif /* __RIJNDAEL_H */