1 /* rijndael-alg-fst.h --- Rijndael cipher implementation.
2  * Copyright (C) 2005, 2009-2014 Free Software Foundation, Inc.
3  *
4  * This file is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published
6  * by the Free Software Foundation; either version 2, or (at your
7  * option) any later version.
8  *
9  * This file is distributed in the hope that it will be useful, but
10  * WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12  * General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this file; if not, see <http://www.gnu.org/licenses/>.
16  *
17  */
18 
19 /* Adapted for gnulib by Simon Josefsson. */
20 
21 /**
22  * rijndael-alg-fst.h
23  *
24  * @version 3.0 (December 2000)
25  *
26  * Optimised ANSI C code for the Rijndael cipher (now AES)
27  *
28  * @author Vincent Rijmen <vincent.rijmen@esat.kuleuven.ac.be>
29  * @author Antoon Bosselaers <antoon.bosselaers@esat.kuleuven.ac.be>
30  * @author Paulo Barreto <paulo.barreto@terra.com.br>
31  *
32  * This code is hereby placed in the public domain.
33  *
34  * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''AS IS'' AND ANY EXPRESS
35  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
36  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
37  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE
38  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
39  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
40  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
41  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
42  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
43  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
44  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
45  */
46 #ifndef __RIJNDAEL_ALG_FST_H
47 #define __RIJNDAEL_ALG_FST_H
48 
49 #include <stdint.h>
50 #include <stddef.h>
51 
52 #define RIJNDAEL_MAXKC (256/32)
53 #define RIJNDAEL_MAXKB (256/8)
54 #define RIJNDAEL_MAXNR 14
55 
56 int rijndaelKeySetupEnc (uint32_t rk[ /*4*(Nr + 1) */ ],
57                          const char cipherKey[], size_t keyBits);
58 int rijndaelKeySetupDec (uint32_t rk[ /*4*(Nr + 1) */ ],
59                          const char cipherKey[], size_t keyBits);
60 void rijndaelEncrypt (const uint32_t rk[ /*4*(Nr + 1) */ ], size_t Nr,
61                       const char pt[16], char ct[16]);
62 void rijndaelDecrypt (const uint32_t rk[ /*4*(Nr + 1) */ ], size_t Nr,
63                       const char ct[16], char pt[16]);
64 
65 #endif /* __RIJNDAEL_ALG_FST_H */
66