Ben Lindstrom | 319fc73 | 2001-09-14 02:47:33 +0000 | [diff] [blame^] | 1 | /** |
| 2 | * rijndael-alg-fst.h |
| 3 | * |
| 4 | * @version 3.0 (December 2000) |
| 5 | * |
| 6 | * Optimised ANSI C code for the Rijndael cipher (now AES) |
| 7 | * |
| 8 | * @author Vincent Rijmen <vincent.rijmen@esat.kuleuven.ac.be> |
| 9 | * @author Antoon Bosselaers <antoon.bosselaers@esat.kuleuven.ac.be> |
| 10 | * @author Paulo Barreto <paulo.barreto@terra.com.br> |
| 11 | * |
| 12 | * This code is hereby placed in the public domain. |
| 13 | * |
| 14 | * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''AS IS'' AND ANY EXPRESS |
| 15 | * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 16 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 17 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE |
| 18 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 19 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 20 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| 21 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| 22 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| 23 | * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, |
| 24 | * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 25 | */ |
| 26 | #ifndef __RIJNDAEL_H |
| 27 | #define __RIJNDAEL_H |
Ben Lindstrom | b22c2b8 | 2001-03-05 06:50:47 +0000 | [diff] [blame] | 28 | |
Ben Lindstrom | 319fc73 | 2001-09-14 02:47:33 +0000 | [diff] [blame^] | 29 | #define MAXKC (256/32) |
| 30 | #define MAXKB (256/8) |
| 31 | #define MAXNR 14 |
Ben Lindstrom | 0256e8b | 2001-08-06 21:24:11 +0000 | [diff] [blame] | 32 | |
Ben Lindstrom | 319fc73 | 2001-09-14 02:47:33 +0000 | [diff] [blame^] | 33 | typedef unsigned char u8; |
| 34 | typedef unsigned short u16; |
| 35 | typedef unsigned int u32; |
Ben Lindstrom | 0256e8b | 2001-08-06 21:24:11 +0000 | [diff] [blame] | 36 | |
Ben Lindstrom | 319fc73 | 2001-09-14 02:47:33 +0000 | [diff] [blame^] | 37 | /* The structure for key information */ |
| 38 | typedef struct { |
| 39 | int decrypt; |
| 40 | int Nr; /* key-length-dependent number of rounds */ |
| 41 | u32 ek[4*(MAXNR + 1)]; /* encrypt key schedule */ |
| 42 | u32 dk[4*(MAXNR + 1)]; /* decrypt key schedule */ |
Ben Lindstrom | fa1b3d0 | 2000-12-10 01:55:37 +0000 | [diff] [blame] | 43 | } rijndael_ctx; |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 44 | |
Ben Lindstrom | 319fc73 | 2001-09-14 02:47:33 +0000 | [diff] [blame^] | 45 | void rijndael_set_key(rijndael_ctx *, u_char *, int, int); |
| 46 | void rijndael_decrypt(rijndael_ctx *, u_char *, u_char *); |
| 47 | void rijndael_encrypt(rijndael_ctx *, u_char *, u_char *); |
Ben Lindstrom | fa1b3d0 | 2000-12-10 01:55:37 +0000 | [diff] [blame] | 48 | |
Ben Lindstrom | 319fc73 | 2001-09-14 02:47:33 +0000 | [diff] [blame^] | 49 | #endif /* __RIJNDAEL_H */ |