1122509Sume/* $KAME: rijndael.h,v 1.6 2003/08/28 08:36:32 itojun Exp $ */ 2122509Sume/* $FreeBSD$ */ 367957Skris 4122509Sume/** 5122509Sume * rijndael-alg-fst.h 6122509Sume * 7122509Sume * @version 3.0 (December 2000) 8122509Sume * 9122509Sume * Optimised ANSI C code for the Rijndael cipher (now AES) 10122509Sume * 11122509Sume * @author Vincent Rijmen <vincent.rijmen@esat.kuleuven.ac.be> 12122509Sume * @author Antoon Bosselaers <antoon.bosselaers@esat.kuleuven.ac.be> 13122509Sume * @author Paulo Barreto <paulo.barreto@terra.com.br> 14122509Sume * 15122509Sume * This code is hereby placed in the public domain. 16122509Sume * 17122509Sume * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''AS IS'' AND ANY EXPRESS 18122509Sume * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19122509Sume * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20122509Sume * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE 21122509Sume * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22122509Sume * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23122509Sume * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 24122509Sume * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 25122509Sume * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 26122509Sume * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 27122509Sume * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28122509Sume */ 29122509Sume 30122509Sume#ifndef __RIJNDAEL_H 31122509Sume#define __RIJNDAEL_H 32122509Sume 33143420Sume#define RIJNDAEL_MAXKC (256/32) 34143420Sume#define RIJNDAEL_MAXKB (256/8) 35143420Sume#define RIJNDAEL_MAXNR 14 36122509Sume 37122509Sumetypedef struct { 38122509Sume int decrypt; 39122509Sume int Nr; /* key-length-dependent number of rounds */ 40122509Sume uint32_t ek[4 * (RIJNDAEL_MAXNR + 1)]; /* encrypt key schedule */ 41122509Sume uint32_t dk[4 * (RIJNDAEL_MAXNR + 1)]; /* decrypt key schedule */ 42122509Sume} rijndael_ctx; 43122509Sume 44122509Sumevoid rijndael_set_key(rijndael_ctx *, const u_char *, int); 45122509Sumevoid rijndael_decrypt(const rijndael_ctx *, const u_char *, u_char *); 46122509Sumevoid rijndael_encrypt(const rijndael_ctx *, const u_char *, u_char *); 47122509Sume 48143420Sumeint rijndaelKeySetupEnc(u_int32_t [/*4*(Nr+1)*/], const u_int8_t [], int); 49143420Sumeint rijndaelKeySetupDec(u_int32_t [/*4*(Nr+1)*/], const u_int8_t [], int); 50143420Sumevoid rijndaelEncrypt(const u_int32_t [/*4*(Nr+1)*/], int, 51143420Sume const u_int8_t[16], u_int8_t [16]); 52143420Sumevoid rijndaelDecrypt(const u_int32_t [/*4*(Nr+1)*/], int, 53143420Sume const u_int8_t [16], u_int8_t [16]); 54143420Sume 55122509Sume#endif /* __RIJNDAEL_H */ 56