59 lines
2.2 KiB
C
59 lines
2.2 KiB
C
|
/* $OpenBSD: rijndael.h,v 1.13 2008/06/09 07:49:45 djm Exp $ */
|
||
|
|
|
||
|
|
/**
|
||
|
|
* rijndael-alg-fst.h
|
||
|
|
*
|
||
|
|
* @version 3.0 (December 2000)
|
||
|
|
*
|
||
|
|
* Optimised ANSI C code for the Rijndael cipher (now AES)
|
||
|
|
*
|
||
|
|
* @author Vincent Rijmen <vincent.rijmen@esat.kuleuven.ac.be>
|
||
|
|
* @author Antoon Bosselaers <antoon.bosselaers@esat.kuleuven.ac.be>
|
||
|
|
* @author Paulo Barreto <paulo.barreto@terra.com.br>
|
||
|
|
*
|
||
|
|
* This code is hereby placed in the public domain.
|
||
|
|
*
|
||
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''AS IS'' AND ANY EXPRESS
|
||
|
|
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
||
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE
|
||
|
|
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
|
||
|
|
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
||
|
|
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
|
||
|
|
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
|
||
|
|
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||
|
|
*/
|
||
|
|
#ifndef __RIJNDAEL_H
|
||
|
|
#define __RIJNDAEL_H
|
||
|
|
|
||
|
|
#define AES_MAXKEYBITS (256)
|
||
|
|
#define AES_MAXKEYBYTES (AES_MAXKEYBITS/8)
|
||
|
|
/* for 256-bit keys, fewer for less */
|
||
|
|
#define AES_MAXROUNDS 14
|
||
|
|
|
||
|
|
typedef unsigned char u8;
|
||
|
|
typedef unsigned short u16;
|
||
|
|
typedef unsigned int u32;
|
||
|
|
|
||
|
|
/* The structure for key information */
|
||
|
|
typedef struct {
|
||
|
|
int enc_only; /* context contains only encrypt schedule */
|
||
|
|
int Nr; /* key-length-dependent number of rounds */
|
||
|
|
u32 ek[4*(AES_MAXROUNDS + 1)]; /* encrypt key schedule */
|
||
|
|
u32 dk[4*(AES_MAXROUNDS + 1)]; /* decrypt key schedule */
|
||
|
|
} rijndael_ctx;
|
||
|
|
|
||
|
|
int rijndael_set_key(rijndael_ctx *, const u_char *, int);
|
||
|
|
int rijndael_set_key_enc_only(rijndael_ctx *, const u_char *, int);
|
||
|
|
void rijndael_decrypt(rijndael_ctx *, const u_char *, u_char *);
|
||
|
|
void rijndael_encrypt(rijndael_ctx *, const u_char *, u_char *);
|
||
|
|
|
||
|
|
int rijndaelKeySetupEnc(unsigned int [], const unsigned char [], int);
|
||
|
|
int rijndaelKeySetupDec(unsigned int [], const unsigned char [], int);
|
||
|
|
void rijndaelEncrypt(const unsigned int [], int, const unsigned char [],
|
||
|
|
unsigned char []);
|
||
|
|
|
||
|
|
#endif /* __RIJNDAEL_H */
|