1 files changed, 0 insertions, 78 deletions
diff --git a/src/com/trilead/ssh2/crypto/cipher/CBCMode.java b/src/com/trilead/ssh2/crypto/cipher/CBCMode.java
deleted file mode 100644
index 0ae51b3..0000000
--- a/src/com/trilead/ssh2/crypto/cipher/CBCMode.java
+++ /dev/null
@@ -1,78 +0,0 @@
-package com.trilead.ssh2.crypto.cipher;
-
-/**
- * CBCMode.
- * 
- * @author Christian Plattner, plattner@trilead.com
- * @version $Id: CBCMode.java,v 1.1 2007/10/15 12:49:55 cplattne Exp $
- */
-public class CBCMode implements BlockCipher
-{
-	BlockCipher tc;
-	int blockSize;
-	boolean doEncrypt;
-
-	byte[] cbc_vector;
-	byte[] tmp_vector;
-
-	public void init(boolean forEncryption, byte[] key)
-	{
-	}
-	
-	public CBCMode(BlockCipher tc, byte[] iv, boolean doEncrypt)
-			throws IllegalArgumentException
-	{
-		this.tc = tc;
-		this.blockSize = tc.getBlockSize();
-		this.doEncrypt = doEncrypt;
-
-		if (this.blockSize != iv.length)
-			throw new IllegalArgumentException("IV must be " + blockSize
-					+ " bytes long! (currently " + iv.length + ")");
-
-		this.cbc_vector = new byte[blockSize];
-		this.tmp_vector = new byte[blockSize];
-		System.arraycopy(iv, 0, cbc_vector, 0, blockSize);
-	}
-
-	public int getBlockSize()
-	{
-		return blockSize;
-	}
-
-	private void encryptBlock(byte[] src, int srcoff, byte[] dst, int dstoff)
-	{
-		for (int i = 0; i < blockSize; i++)
-			cbc_vector[i] ^= src[srcoff + i];
-
-		tc.transformBlock(cbc_vector, 0, dst, dstoff);
-
-		System.arraycopy(dst, dstoff, cbc_vector, 0, blockSize);
-	}
-
-	private void decryptBlock(byte[] src, int srcoff, byte[] dst, int dstoff)
-	{
-		/* Assume the worst, src and dst are overlapping... */
-		
-		System.arraycopy(src, srcoff, tmp_vector, 0, blockSize);
-		
-		tc.transformBlock(src, srcoff, dst, dstoff);
-		
-		for (int i = 0; i < blockSize; i++)
-			dst[dstoff + i] ^= cbc_vector[i];
-
-		/* ...that is why we need a tmp buffer. */
-		
-		byte[] swap = cbc_vector;
-		cbc_vector = tmp_vector;
-		tmp_vector = swap;
-	}
-
-	public void transformBlock(byte[] src, int srcoff, byte[] dst, int dstoff)
-	{
-		if (doEncrypt)
-			encryptBlock(src, srcoff, dst, dstoff);
-		else
-			decryptBlock(src, srcoff, dst, dstoff);
-	}
-}