Fix AES code.

[openssl.git] / crypto / rijndael / rd_fst.h

diff --git a/crypto/rijndael/rd_fst.h b/crypto/rijndael/rd_fst.h
index 9a86e25cf70e6cdbce1fd5d5522daf11bc86a123..f093e5b4777f0361c2c91be6d70d881d1425af2a 100755 (executable)
--- a/crypto/rijndael/rd_fst.h
+++ b/crypto/rijndael/rd_fst.h
@@ -1,46 +1,47 @@
-/*
- * rijndael-alg-fst.h   v2.4   April '2000
+/**
+ * rijndael-alg-fst.h
  *
- * Optimised ANSI C code
+ * @version 3.0 (December 2000)
  *
- * #define INTERMEDIATE_VALUE_KAT to generate the Intermediate Value Known Answer Test.
+ * 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_ALG_FST_H
 #define __RIJNDAEL_ALG_FST_H
 
-#define RIJNDAEL_MAXKC         (256/32)
-#define RIJNDAEL_MAXROUNDS     14
-
-#ifndef USUAL_TYPES
-#define USUAL_TYPES
-typedef unsigned char  byte;
-typedef unsigned char  word8;  
-typedef unsigned short word16; 
-typedef unsigned int   word32;
-#endif /* USUAL_TYPES */
+#define MAXKC  (256/32)
+#define MAXKB  (256/8)
+#define MAXNR  14
 
-int rijndaelKeySched(const word8 k[RIJNDAEL_MAXKC][4],
-                    word8 rk[RIJNDAEL_MAXROUNDS+1][4][4],
-                    int ROUNDS);
-
-int rijndaelKeyEncToDec(word8 W[RIJNDAEL_MAXROUNDS+1][4][4], int ROUNDS);
-
-int rijndaelEncrypt(const word8 a[16],word8 b[16],
-                   word8 rk[RIJNDAEL_MAXROUNDS+1][4][4],
-                   int ROUNDS);
-
-#ifdef INTERMEDIATE_VALUE_KAT
-int rijndaelEncryptRound(word8 a[4][4],word8 rk[RIJNDAEL_MAXROUNDS+1][4][4],
-                        int ROUNDS, int rounds);
-#endif /* INTERMEDIATE_VALUE_KAT */
+typedef unsigned char  u8;     
+typedef unsigned short u16;    
+typedef unsigned int   u32;
 
-int rijndaelDecrypt(const word8 a[16], word8 b[16],
-                   word8 rk[RIJNDAEL_MAXROUNDS+1][4][4], int ROUNDS);
+int rijndaelKeySetupEnc(u32 rk[/*4*(Nr + 1)*/], const u8 cipherKey[], int keyBits);
+int rijndaelKeySetupDec(u32 rk[/*4*(Nr + 1)*/], const u8 cipherKey[], int keyBits);
+void rijndaelEncrypt(const u32 rk[/*4*(Nr + 1)*/], int Nr, const u8 pt[16], u8 ct[16]);
+void rijndaelDecrypt(const u32 rk[/*4*(Nr + 1)*/], int Nr, const u8 ct[16], u8 pt[16]);
 
 #ifdef INTERMEDIATE_VALUE_KAT
-int rijndaelDecryptRound(word8 a[4][4], word8 rk[RIJNDAEL_MAXROUNDS+1][4][4],
-                        int ROUNDS, int rounds);
+void rijndaelEncryptRound(const u32 rk[/*4*(Nr + 1)*/], int Nr, u8 block[16], int rounds);
+void rijndaelDecryptRound(const u32 rk[/*4*(Nr + 1)*/], int Nr, u8 block[16], int rounds);
 #endif /* INTERMEDIATE_VALUE_KAT */
 
 #endif /* __RIJNDAEL_ALG_FST_H */