4 * @version 3.0 (December 2000)
6 * Optimised ANSI C code for the Rijndael cipher (now AES)
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>
12 * This code is hereby placed in the public domain.
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.
29 #define MAXKC (256/32)
33 typedef unsigned char u8;
34 typedef unsigned short u16;
35 typedef unsigned int u32;
37 /* The structure for key information */
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 */
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 *);
49 #endif /* __RIJNDAEL_H */