| /* $OpenBSD: rijndael.h,v 1.12 2001/12/19 07:18:56 deraadt Exp $ */ |
| |
| /** |
| * rijndael-alg-fst.h |
| * |
| * @version 3.0 (December 2000) |
| * |
| * Optimised ANSI C code for the Rijndael cipher (now AES) |
| * |
| * @author Vincent Rijmen <vincent.rijmen@esat.kuleuven.ac.be> |
| * @author Antoon Bosselaers <antoon.bosselaers@esat.kuleuven.ac.be> |
| * @author Paulo Barreto <paulo.barreto@terra.com.br> |
| * |
| * This code is hereby placed in the public domain. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''AS IS'' AND ANY EXPRESS |
| * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE |
| * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, |
| * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| #ifndef __RIJNDAEL_H |
| #define __RIJNDAEL_H |
| |
| #define MAXKC (256/32) |
| #define MAXKB (256/8) |
| #define MAXNR 14 |
| |
| typedef unsigned char u8; |
| typedef unsigned short u16; |
| typedef unsigned int u32; |
| |
| /* The structure for key information */ |
| typedef struct { |
| int decrypt; |
| int Nr; /* key-length-dependent number of rounds */ |
| u32 ek[4*(MAXNR + 1)]; /* encrypt key schedule */ |
| u32 dk[4*(MAXNR + 1)]; /* decrypt key schedule */ |
| } rijndael_ctx; |
| |
| void rijndael_set_key(rijndael_ctx *, u_char *, int, int); |
| void rijndael_decrypt(rijndael_ctx *, u_char *, u_char *); |
| void rijndael_encrypt(rijndael_ctx *, u_char *, u_char *); |
| |
| #endif /* __RIJNDAEL_H */ |