1 files changed, 0 insertions, 186 deletions
diff --git a/core/src/main/java/org/bouncycastle/crypto/macs/VMPCMac.java b/core/src/main/java/org/bouncycastle/crypto/macs/VMPCMac.java
deleted file mode 100644
index 58d06d08..00000000
--- a/core/src/main/java/org/bouncycastle/crypto/macs/VMPCMac.java
+++ /dev/null
@@ -1,186 +0,0 @@
-package org.bouncycastle.crypto.macs;
-
-import org.bouncycastle.crypto.CipherParameters;
-import org.bouncycastle.crypto.DataLengthException;
-import org.bouncycastle.crypto.Mac;
-import org.bouncycastle.crypto.params.KeyParameter;
-import org.bouncycastle.crypto.params.ParametersWithIV;
-
-public class VMPCMac implements Mac
-{
-    private byte g;
-
-    private byte n = 0;
-    private byte[] P = null;
-    private byte s = 0;
-
-    private byte[] T;
-    private byte[] workingIV;
-
-    private byte[] workingKey;
-
-    private byte x1, x2, x3, x4;
-
-    public int doFinal(byte[] out, int outOff)
-        throws DataLengthException, IllegalStateException
-    {
-        // Execute the Post-Processing Phase
-        for (int r = 1; r < 25; r++)
-        {
-            s = P[(s + P[n & 0xff]) & 0xff];
-
-            x4 = P[(x4 + x3 + r) & 0xff];
-            x3 = P[(x3 + x2 + r) & 0xff];
-            x2 = P[(x2 + x1 + r) & 0xff];
-            x1 = P[(x1 + s + r) & 0xff];
-            T[g & 0x1f] = (byte) (T[g & 0x1f] ^ x1);
-            T[(g + 1) & 0x1f] = (byte) (T[(g + 1) & 0x1f] ^ x2);
-            T[(g + 2) & 0x1f] = (byte) (T[(g + 2) & 0x1f] ^ x3);
-            T[(g + 3) & 0x1f] = (byte) (T[(g + 3) & 0x1f] ^ x4);
-            g = (byte) ((g + 4) & 0x1f);
-
-            byte temp = P[n & 0xff];
-            P[n & 0xff] = P[s & 0xff];
-            P[s & 0xff] = temp;
-            n = (byte) ((n + 1) & 0xff);
-        }
-
-        // Input T to the IV-phase of the VMPC KSA
-        for (int m = 0; m < 768; m++)
-        {
-            s = P[(s + P[m & 0xff] + T[m & 0x1f]) & 0xff];
-            byte temp = P[m & 0xff];
-            P[m & 0xff] = P[s & 0xff];
-            P[s & 0xff] = temp;
-        }
-
-        // Store 20 new outputs of the VMPC Stream Cipher in table M
-        byte[] M = new byte[20];
-        for (int i = 0; i < 20; i++)
-        {
-            s = P[(s + P[i & 0xff]) & 0xff];
-            M[i] = P[(P[(P[s & 0xff]) & 0xff] + 1) & 0xff];
-
-            byte temp = P[i & 0xff];
-            P[i & 0xff] = P[s & 0xff];
-            P[s & 0xff] = temp;
-        }
-
-        System.arraycopy(M, 0, out, outOff, M.length);
-        reset();
-
-        return M.length;
-    }
-
-    public String getAlgorithmName()
-    {
-        return "VMPC-MAC";
-    }
-
-    public int getMacSize()
-    {
-        return 20;
-    }
-
-    public void init(CipherParameters params) throws IllegalArgumentException
-    {
-        if (!(params instanceof ParametersWithIV))
-        {
-            throw new IllegalArgumentException(
-                "VMPC-MAC Init parameters must include an IV");
-        }
-
-        ParametersWithIV ivParams = (ParametersWithIV) params;
-        KeyParameter key = (KeyParameter) ivParams.getParameters();
-
-        if (!(ivParams.getParameters() instanceof KeyParameter))
-        {
-            throw new IllegalArgumentException(
-                "VMPC-MAC Init parameters must include a key");
-        }
-
-        this.workingIV = ivParams.getIV();
-
-        if (workingIV == null || workingIV.length < 1 || workingIV.length > 768)
-        {
-            throw new IllegalArgumentException(
-                "VMPC-MAC requires 1 to 768 bytes of IV");
-        }
-
-        this.workingKey = key.getKey();
-
-        reset();
-
-    }
-
-    private void initKey(byte[] keyBytes, byte[] ivBytes)
-    {
-        s = 0;
-        P = new byte[256];
-        for (int i = 0; i < 256; i++)
-        {
-            P[i] = (byte) i;
-        }
-        for (int m = 0; m < 768; m++)
-        {
-            s = P[(s + P[m & 0xff] + keyBytes[m % keyBytes.length]) & 0xff];
-            byte temp = P[m & 0xff];
-            P[m & 0xff] = P[s & 0xff];
-            P[s & 0xff] = temp;
-        }
-        for (int m = 0; m < 768; m++)
-        {
-            s = P[(s + P[m & 0xff] + ivBytes[m % ivBytes.length]) & 0xff];
-            byte temp = P[m & 0xff];
-            P[m & 0xff] = P[s & 0xff];
-            P[s & 0xff] = temp;
-        }
-        n = 0;
-    }
-
-    public void reset()
-    {
-        initKey(this.workingKey, this.workingIV);
-        g = x1 = x2 = x3 = x4 = n = 0;
-        T = new byte[32];
-        for (int i = 0; i < 32; i++)
-        {
-            T[i] = 0;
-        }
-    }
-
-    public void update(byte in) throws IllegalStateException
-    {
-        s = P[(s + P[n & 0xff]) & 0xff];
-        byte c = (byte) (in ^ P[(P[(P[s & 0xff]) & 0xff] + 1) & 0xff]);
-
-        x4 = P[(x4 + x3) & 0xff];
-        x3 = P[(x3 + x2) & 0xff];
-        x2 = P[(x2 + x1) & 0xff];
-        x1 = P[(x1 + s + c) & 0xff];
-        T[g & 0x1f] = (byte) (T[g & 0x1f] ^ x1);
-        T[(g + 1) & 0x1f] = (byte) (T[(g + 1) & 0x1f] ^ x2);
-        T[(g + 2) & 0x1f] = (byte) (T[(g + 2) & 0x1f] ^ x3);
-        T[(g + 3) & 0x1f] = (byte) (T[(g + 3) & 0x1f] ^ x4);
-        g = (byte) ((g + 4) & 0x1f);
-
-        byte temp = P[n & 0xff];
-        P[n & 0xff] = P[s & 0xff];
-        P[s & 0xff] = temp;
-        n = (byte) ((n + 1) & 0xff);
-    }
-
-    public void update(byte[] in, int inOff, int len)
-        throws DataLengthException, IllegalStateException
-    {
-        if ((inOff + len) > in.length)
-        {
-            throw new DataLengthException("input buffer too short");
-        }
-
-        for (int i = 0; i < len; i++)
-        {
-            update(in[i]);
-        }
-    }
-}