1 /* $KAME: rijndael.h,v 1.6 2003/08/28 08:36:32 itojun Exp $ */
7 * @version 3.0 (December 2000)
9 * Optimised ANSI C code for the Rijndael cipher (now AES)
11 * @author Vincent Rijmen <vincent.rijmen@esat.kuleuven.ac.be>
12 * @author Antoon Bosselaers <antoon.bosselaers@esat.kuleuven.ac.be>
13 * @author Paulo Barreto <paulo.barreto@terra.com.br>
15 * This code is hereby placed in the public domain.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''AS IS'' AND ANY EXPRESS
18 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE
21 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
24 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
25 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
26 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
27 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 #define RIJNDAEL_MAXKC (256/32)
34 #define RIJNDAEL_MAXKB (256/8)
35 #define RIJNDAEL_MAXNR 14
39 int Nr; /* key-length-dependent number of rounds */
40 uint32_t ek[4 * (RIJNDAEL_MAXNR + 1)]; /* encrypt key schedule */
41 uint32_t dk[4 * (RIJNDAEL_MAXNR + 1)]; /* decrypt key schedule */
44 void rijndael_set_key(rijndael_ctx *, const u_char *, int);
45 void rijndael_decrypt(const rijndael_ctx *, const u_char *, u_char *);
46 void rijndael_encrypt(const rijndael_ctx *, const u_char *, u_char *);
48 int rijndaelKeySetupEnc(uint32_t [/*4*(Nr+1)*/], const uint8_t [], int);
49 int rijndaelKeySetupDec(uint32_t [/*4*(Nr+1)*/], const uint8_t [], int);
50 void rijndaelEncrypt(const uint32_t [/*4*(Nr+1)*/], int,
51 const uint8_t[16], uint8_t [16]);
52 void rijndaelDecrypt(const uint32_t [/*4*(Nr+1)*/], int,
53 const uint8_t [16], uint8_t [16]);
55 #endif /* __RIJNDAEL_H */