--- Crypt-Twofish2/aes.h	2010/12/01 02:12:30	1.2
+++ Crypt-Twofish2/aes.h	2021/08/01 12:32:14	1.3
@@ -12,7 +12,7 @@
     This sample is to assist implementers developing to the
 Cryptographic API Profile for AES Candidate Algorithm Submissions.
 Please consult this document as a cross-reference.
-    
+
     ANY CHANGES, WHERE APPROPRIATE, TO INFORMATION PROVIDED IN THIS FILE
 MUST BE DOCUMENTED. CHANGES ARE ONLY APPROPRIATE WHERE SPECIFIED WITH
 THE STRING "CHANGE POSSIBLE". FUNCTION CALLS AND THEIR PARAMETERS
@@ -78,7 +78,7 @@
 typedef DWORD fullSbox[4][256];
 
 /* The structure for key information */
-typedef struct 
+typedef struct
     {
     BYTE direction;                 /* Key used for encrypting or decrypting? */
 #if ALIGN32
@@ -108,7 +108,7 @@
     } keyInstance;
 
 /* The structure for cipher information */
-typedef struct 
+typedef struct
     {
     BYTE  mode;                     /* MODE_ECB, MODE_CBC, or MODE_CFB1 */
 #if ALIGN32
@@ -167,7 +167,7 @@
 keyInstance state, use a 'dummy' call to makeKey(); i.e., set the
 keyMaterial parameter to NULL.  Then use reKey() for all key changes.
 Similarly, cipherInit takes an IV string in ASCII hex, so a dummy setup
-call with a null IV string will skip the ASCII parse.  
+call with a null IV string will skip the ASCII parse.
 
 Note that CFB mode is not well tested nor defined by AES, so using the
 Twofish MODE_CFB it not recommended.  If you wish to implement a CFB mode,
@@ -208,7 +208,7 @@
         return 1;               /* 'dummy' setup for a 128-bit key */
     if (cipherInit(&ci,mode,NULL) != TRUE)
         return 1;               /* 'dummy' setup for cipher */
-    
+
     for (i=0;i<keySize/32;i++)  /* select key bits */
         ki.key32[i]=0x10003 * rand();
     reKey(&ki);                 /* run the key schedule */
@@ -226,7 +226,7 @@
 
     for (i=0;i<byteCnt;i++)     /* generate test data */
         plainText[i]=(BYTE) rand();
-    
+
     /* encrypt the bytes */
     if (blockEncrypt(&ci,&ki, plainText,byteCnt*8,cipherText) != byteCnt*8)
         return 1;
@@ -236,11 +236,11 @@
         memcpy(ci.iv32,iv,sizeof(ci.iv32));
 
     if (blockDecrypt(&ci,&ki,cipherText,byteCnt*8,decryptOut) != byteCnt*8)
-        return 1;               
-    
+        return 1;
+
     /* make sure the decrypt output matches original plaintext */
     if (memcmp(plainText,decryptOut,byteCnt))
-        return 1;       
+        return 1;
 
     return 0;                   /* tests passed! */
     }