| 1 | /* $OpenBSD: rijndael.h,v 1.12 2001/12/19 07:18:56 deraadt Exp $ */ |
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| 2 | |
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| 3 | /** |
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| 4 | * rijndael-alg-fst.h |
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| 5 | * |
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| 6 | * @version 3.0 (December 2000) |
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| 7 | * |
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| 8 | * Optimised ANSI C code for the Rijndael cipher (now AES) |
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| 9 | * |
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| 10 | * @author Vincent Rijmen <vincent.rijmen@esat.kuleuven.ac.be> |
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| 11 | * @author Antoon Bosselaers <antoon.bosselaers@esat.kuleuven.ac.be> |
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| 12 | * @author Paulo Barreto <paulo.barreto@terra.com.br> |
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| 13 | * |
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| 14 | * This code is hereby placed in the public domain. |
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| 15 | * |
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| 16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''AS IS'' AND ANY EXPRESS |
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| 17 | * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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| 18 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE |
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| 20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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| 21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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| 22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
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| 23 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
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| 24 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
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| 25 | * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, |
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| 26 | * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 27 | */ |
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| 28 | #ifndef __RIJNDAEL_H |
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| 29 | #define __RIJNDAEL_H |
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| 30 | |
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| 31 | #define MAXKC (256/32) |
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| 32 | #define MAXKB (256/8) |
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| 33 | #define MAXNR 14 |
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| 34 | |
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| 35 | typedef unsigned char u8; |
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| 36 | typedef unsigned short u16; |
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| 37 | typedef unsigned int u32; |
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| 38 | |
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| 39 | /* The structure for key information */ |
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| 40 | typedef struct { |
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| 41 | int decrypt; |
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| 42 | int Nr; /* key-length-dependent number of rounds */ |
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| 43 | u32 ek[4*(MAXNR + 1)]; /* encrypt key schedule */ |
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| 44 | u32 dk[4*(MAXNR + 1)]; /* decrypt key schedule */ |
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| 45 | } rijndael_ctx; |
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| 46 | |
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| 47 | void rijndael_set_key(rijndael_ctx *, u_char *, int, int); |
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| 48 | void rijndael_decrypt(rijndael_ctx *, u_char *, u_char *); |
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| 49 | void rijndael_encrypt(rijndael_ctx *, u_char *, u_char *); |
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| 50 | |
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| 51 | #endif /* __RIJNDAEL_H */ |
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