1 files changed, 0 insertions, 113 deletions
diff --git a/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/modes/SICBlockCipher.java b/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/modes/SICBlockCipher.java
deleted file mode 100644
index f228baf35..000000000
--- a/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/modes/SICBlockCipher.java
+++ /dev/null
@@ -1,113 +0,0 @@
-package org.spongycastle.crypto.modes;
-
-import org.spongycastle.crypto.BlockCipher;
-import org.spongycastle.crypto.CipherParameters;
-import org.spongycastle.crypto.DataLengthException;
-import org.spongycastle.crypto.params.ParametersWithIV;
-
-/**
- * Implements the Segmented Integer Counter (SIC) mode on top of a simple
- * block cipher. This mode is also known as CTR mode.
- */
-public class SICBlockCipher
-    implements BlockCipher
-{
-    private final BlockCipher     cipher;
-    private final int             blockSize;
-    
-    private byte[]          IV;
-    private byte[]          counter;
-    private byte[]          counterOut;
-
-
-    /**
-     * Basic constructor.
-     *
-     * @param c the block cipher to be used.
-     */
-    public SICBlockCipher(BlockCipher c)
-    {
-        this.cipher = c;
-        this.blockSize = cipher.getBlockSize();
-        this.IV = new byte[blockSize];
-        this.counter = new byte[blockSize];
-        this.counterOut = new byte[blockSize];
-    }
-
-
-    /**
-     * return the underlying block cipher that we are wrapping.
-     *
-     * @return the underlying block cipher that we are wrapping.
-     */
-    public BlockCipher getUnderlyingCipher()
-    {
-        return cipher;
-    }
-
-
-    public void init(
-        boolean             forEncryption, //ignored by this CTR mode
-        CipherParameters    params)
-        throws IllegalArgumentException
-    {
-        if (params instanceof ParametersWithIV)
-        {
-          ParametersWithIV ivParam = (ParametersWithIV)params;
-          byte[]           iv      = ivParam.getIV();
-          System.arraycopy(iv, 0, IV, 0, IV.length);
-
-          reset();
-
-          // if null it's an IV changed only.
-          if (ivParam.getParameters() != null)
-          {
-            cipher.init(true, ivParam.getParameters());
-          }
-        }
-        else
-        {
-            throw new IllegalArgumentException("SIC mode requires ParametersWithIV");
-        }
-    }
-
-    public String getAlgorithmName()
-    {
-        return cipher.getAlgorithmName() + "/SIC";
-    }
-
-    public int getBlockSize()
-    {
-        return cipher.getBlockSize();
-    }
-
-
-    public int processBlock(byte[] in, int inOff, byte[] out, int outOff)
-          throws DataLengthException, IllegalStateException
-    {
-        cipher.processBlock(counter, 0, counterOut, 0);
-
-        //
-        // XOR the counterOut with the plaintext producing the cipher text
-        //
-        for (int i = 0; i < counterOut.length; i++)
-        {
-          out[outOff + i] = (byte)(counterOut[i] ^ in[inOff + i]);
-        }
-
-        // increment counter by 1.
-        for (int i = counter.length - 1; i >= 0 && ++counter[i] == 0; i--)
-        {
-            ; // do nothing - pre-increment and test for 0 in counter does the job.
-        }
-
-        return counter.length;
-    }
-
-
-    public void reset()
-    {
-        System.arraycopy(IV, 0, counter, 0, counter.length);
-        cipher.reset();
-    }
-}