rijndael.h revision 256281
1212839Sbrian/* $OpenBSD: rijndael.h,v 1.12 2001/12/19 07:18:56 deraadt Exp $ */ 2212839Sbrian 3212839Sbrian/** 4212839Sbrian * rijndael-alg-fst.h 5212839Sbrian * 6212839Sbrian * @version 3.0 (December 2000) 7212839Sbrian * 8212839Sbrian * Optimised ANSI C code for the Rijndael cipher (now AES) 9212839Sbrian * 10212839Sbrian * @author Vincent Rijmen <vincent.rijmen@esat.kuleuven.ac.be> 11212839Sbrian * @author Antoon Bosselaers <antoon.bosselaers@esat.kuleuven.ac.be> 12212839Sbrian * @author Paulo Barreto <paulo.barreto@terra.com.br> 13212839Sbrian * 14212839Sbrian * This code is hereby placed in the public domain. 15212839Sbrian * 16212839Sbrian * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''AS IS'' AND ANY EXPRESS 17212839Sbrian * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 18212839Sbrian * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19212839Sbrian * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE 20212839Sbrian * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21212839Sbrian * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22212839Sbrian * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 23212839Sbrian * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 24212839Sbrian * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 25212839Sbrian * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 26212839Sbrian * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27212839Sbrian */ 28212839Sbrian#ifndef __RIJNDAEL_H 29212839Sbrian#define __RIJNDAEL_H 30212839Sbrian 31212839Sbrian#define MAXKC (256/32) 32212839Sbrian#define MAXKB (256/8) 33212839Sbrian#define MAXNR 14 34212839Sbrian 35212839Sbriantypedef unsigned char u8; 36212839Sbriantypedef unsigned short u16; 37212839Sbriantypedef unsigned int u32; 38212839Sbrian 39212839Sbrian/* The structure for key information */ 40212839Sbriantypedef struct { 41212839Sbrian int decrypt; 42212839Sbrian int Nr; /* key-length-dependent number of rounds */ 43212839Sbrian u32 ek[4*(MAXNR + 1)]; /* encrypt key schedule */ 44212839Sbrian u32 dk[4*(MAXNR + 1)]; /* decrypt key schedule */ 45212839Sbrian} rijndael_ctx; 46212839Sbrian 47212839Sbrianvoid rijndael_set_key(rijndael_ctx *, u_char *, int, int); 48212839Sbrianvoid rijndael_decrypt(rijndael_ctx *, u_char *, u_char *); 49212839Sbrianvoid rijndael_encrypt(rijndael_ctx *, u_char *, u_char *); 50212839Sbrian 51212839Sbrian#endif /* __RIJNDAEL_H */ 52212839Sbrian