192555Sdes/* $OpenBSD: rijndael.h,v 1.12 2001/12/19 07:18:56 deraadt Exp $ */ 276259Sgreen 392555Sdes/** 492555Sdes * rijndael-alg-fst.h 592555Sdes * 692555Sdes * @version 3.0 (December 2000) 792555Sdes * 892555Sdes * Optimised ANSI C code for the Rijndael cipher (now AES) 992555Sdes * 1092555Sdes * @author Vincent Rijmen <vincent.rijmen@esat.kuleuven.ac.be> 1192555Sdes * @author Antoon Bosselaers <antoon.bosselaers@esat.kuleuven.ac.be> 1292555Sdes * @author Paulo Barreto <paulo.barreto@terra.com.br> 1392555Sdes * 1492555Sdes * This code is hereby placed in the public domain. 1592555Sdes * 1692555Sdes * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''AS IS'' AND ANY EXPRESS 1792555Sdes * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 1892555Sdes * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1992555Sdes * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE 2092555Sdes * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 2192555Sdes * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 2292555Sdes * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 2392555Sdes * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 2492555Sdes * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 2592555Sdes * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 2692555Sdes * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2792555Sdes */ 2892555Sdes#ifndef __RIJNDAEL_H 2992555Sdes#define __RIJNDAEL_H 3076259Sgreen 3192555Sdes#define MAXKC (256/32) 3292555Sdes#define MAXKB (256/8) 3392555Sdes#define MAXNR 14 3469587Sgreen 3592555Sdestypedef unsigned char u8; 3692555Sdestypedef unsigned short u16; 3792555Sdestypedef unsigned int u32; 3869587Sgreen 3992555Sdes/* The structure for key information */ 4092555Sdestypedef struct { 4192555Sdes int decrypt; 4292555Sdes int Nr; /* key-length-dependent number of rounds */ 4392555Sdes u32 ek[4*(MAXNR + 1)]; /* encrypt key schedule */ 4492555Sdes u32 dk[4*(MAXNR + 1)]; /* decrypt key schedule */ 4569587Sgreen} rijndael_ctx; 4669587Sgreen 4792555Sdesvoid rijndael_set_key(rijndael_ctx *, u_char *, int, int); 4892555Sdesvoid rijndael_decrypt(rijndael_ctx *, u_char *, u_char *); 4992555Sdesvoid rijndael_encrypt(rijndael_ctx *, u_char *, u_char *); 5069587Sgreen 5192555Sdes#endif /* __RIJNDAEL_H */ 52