1 files changed, 0 insertions, 123 deletions
diff --git a/bcprov/src/main/java/org/bouncycastle/crypto/prng/DigestRandomGenerator.java b/bcprov/src/main/java/org/bouncycastle/crypto/prng/DigestRandomGenerator.java
deleted file mode 100644
index f36b62c..0000000
--- a/bcprov/src/main/java/org/bouncycastle/crypto/prng/DigestRandomGenerator.java
+++ /dev/null
@@ -1,123 +0,0 @@
-package org.bouncycastle.crypto.prng;
-
-import org.bouncycastle.crypto.Digest;
-
-/**
- * Random generation based on the digest with counter. Calling addSeedMaterial will
- * always increase the entropy of the hash.
- * <p>
- * Internal access to the digest is synchronized so a single one of these can be shared.
- * </p>
- */
-public class DigestRandomGenerator
-    implements RandomGenerator
-{
-    private static long         CYCLE_COUNT = 10;
-
-    private long                stateCounter;
-    private long                seedCounter;
-    private Digest              digest;
-    private byte[]              state;
-    private byte[]              seed;
-
-    // public constructors
-    public DigestRandomGenerator(
-        Digest digest)
-    {
-        this.digest = digest;
-
-        this.seed = new byte[digest.getDigestSize()];
-        this.seedCounter = 1;
-
-        this.state = new byte[digest.getDigestSize()];
-        this.stateCounter = 1;
-    }
-
-    public void addSeedMaterial(byte[] inSeed)
-    {
-        synchronized (this)
-        {
-            digestUpdate(inSeed);
-            digestUpdate(seed);
-            digestDoFinal(seed);
-        }
-    }
-
-    public void addSeedMaterial(long rSeed)
-    {
-        synchronized (this)
-        {
-            digestAddCounter(rSeed);
-            digestUpdate(seed);
-
-            digestDoFinal(seed);
-        }
-    }
-
-    public void nextBytes(byte[] bytes)
-    {
-        nextBytes(bytes, 0, bytes.length);
-    }
-
-    public void nextBytes(byte[] bytes, int start, int len)
-    {
-        synchronized (this)
-        {
-            int stateOff = 0;
-
-            generateState();
-
-            int end = start + len;
-            for (int i = start; i != end; i++)
-            {
-                if (stateOff == state.length)
-                {
-                    generateState();
-                    stateOff = 0;
-                }
-                bytes[i] = state[stateOff++];
-            }
-        }
-    }
-
-    private void cycleSeed()
-    {
-        digestUpdate(seed);
-        digestAddCounter(seedCounter++);
-
-        digestDoFinal(seed);
-    }
-
-    private void generateState()
-    {
-        digestAddCounter(stateCounter++);
-        digestUpdate(state);
-        digestUpdate(seed);
-
-        digestDoFinal(state);
-
-        if ((stateCounter % CYCLE_COUNT) == 0)
-        {
-            cycleSeed();
-        }
-    }
-
-    private void digestAddCounter(long seed)
-    {
-        for (int i = 0; i != 8; i++)
-        {
-            digest.update((byte)seed);
-            seed >>>= 8;
-        }
-    }
-
-    private void digestUpdate(byte[] inSeed)
-    {
-        digest.update(inSeed, 0, inSeed.length);
-    }
-
-    private void digestDoFinal(byte[] result)
-    {
-        digest.doFinal(result, 0);
-    }
-}