diff dcrypt/crypto/modes/CTR.d @ 23:4589f8c5eb3c

Replaced dcrypt.crypto.Util with dcrypt.misc.Bitwise and dcrypt.misc.ByteConverter. Altered all dependent files to reflect changes.
author Thomas Dixon <reikon@reikon.us>
date Sat, 14 Feb 2009 19:58:20 -0500
parents 8c7f8fecdd75
children 8b5eaf3c2979
line wrap: on
line diff
--- a/dcrypt/crypto/modes/CTR.d	Sat Jan 10 13:17:58 2009 -0500
+++ b/dcrypt/crypto/modes/CTR.d	Sat Feb 14 19:58:20 2009 -0500
@@ -15,7 +15,7 @@
 /** This class implements the counter (CTR/SIC/ICM) block mode,
     treating the counter as a big endian integer. */
 class CTR : BlockCipher {
-    private BlockCipher m_cipher;
+    private BlockCipher wrappedCipher;
     private ubyte[] iv,
                     counter,
                     counterOutput;
@@ -26,21 +26,21 @@
      *     cipher = Block cipher to wrap.
      */
     this (BlockCipher cipher) {
-        m_cipher = cipher;
+        wrappedCipher = cipher;
     }
     
     /** Returns: The underlying cipher we are wrapping. */
     BlockCipher cipher() {
-        return m_cipher;
+        return wrappedCipher;
     }
     
     char[] name() {
-        return m_cipher.name~"/CTR";
+        return wrappedCipher.name~"/CTR";
     }
     
     /** 
      * Throws: dcrypt.crypto.errors.InvalidParameterError if params aren't 
-     *          an instance of dcrypt.crypto.params.ParametersWithIV.
+     *         an instance of dcrypt.crypto.params.ParametersWithIV.
      */
     void init(bool encrypt, CipherParameters params) {
         ParametersWithIV ivParams = cast(ParametersWithIV)params;
@@ -52,7 +52,7 @@
             throw new InvalidParameterError(
                     name()~": IV must be same length as cipher block size");
                     
-        m_cipher.init(true, ivParams.parameters);
+        wrappedCipher.init(true, ivParams.parameters);
         
         iv = ivParams.iv[0..blockSize];
         counter = new ubyte[blockSize];
@@ -76,7 +76,7 @@
             throw new ShortBufferError(name()~": Output buffer too short");
         
         // Encrypt the counter
-        m_cipher.update(counter, counterOutput);
+        wrappedCipher.update(counter, counterOutput);
         
         // XOR output with plaintext to create ciphertext
         for (int i = 0; i < len; i++)
@@ -92,11 +92,11 @@
     }
     
     uint blockSize() {
-        return m_cipher.blockSize;
+        return wrappedCipher.blockSize;
     }
     
     void reset() {
         counter[] = iv;
-        m_cipher.reset();
+        wrappedCipher.reset();
     }
 }