Remove ReversedWindowGenerator

1 files changed, 0 insertions, 98 deletions

diff --git a/crypto/src/crypto/prng/ReversedWindowGenerator.cs b/crypto/src/crypto/prng/ReversedWindowGenerator.cs
deleted file mode 100644
index dd28c525a..000000000
--- a/crypto/src/crypto/prng/ReversedWindowGenerator.cs
+++ /dev/null
@@ -1,98 +0,0 @@
-using System;
-
-namespace Org.BouncyCastle.Crypto.Prng
-{
-	/// <remarks>
-	/// Takes bytes generated by an underling RandomGenerator and reverses the order in
-	/// each small window (of configurable size).
-	/// <p>
-	/// Access to internals is synchronized so a single one of these can be shared.
-	/// </p>
-	/// </remarks>
-	public class ReversedWindowGenerator
-		: IRandomGenerator
-	{
-		private readonly IRandomGenerator generator;
-
-		private byte[] window;
-		private int windowCount;
-
-		public ReversedWindowGenerator(
-			IRandomGenerator	generator,
-			int					windowSize)
-		{
-			if (generator == null)
-				throw new ArgumentNullException("generator");
-			if (windowSize < 2)
-				throw new ArgumentException("Window size must be at least 2", "windowSize");
-
-			this.generator = generator;
-			this.window = new byte[windowSize];
-		}
-
-		/// <summary>Add more seed material to the generator.</summary>
-		/// <param name="seed">A byte array to be mixed into the generator's state.</param>
-		public virtual void AddSeedMaterial(
-			byte[] seed)
-		{
-			lock (this)
-			{
-				windowCount = 0;
-				generator.AddSeedMaterial(seed);
-			}
-		}
-
-		/// <summary>Add more seed material to the generator.</summary>
-		/// <param name="seed">A long value to be mixed into the generator's state.</param>
-		public virtual void AddSeedMaterial(
-			long seed)
-		{
-			lock (this)
-			{
-				windowCount = 0;
-				generator.AddSeedMaterial(seed);
-			}
-		}
-
-		/// <summary>Fill byte array with random values.</summary>
-		/// <param name="bytes">Array to be filled.</param>
-		public virtual void NextBytes(
-			byte[] bytes)
-		{
-			doNextBytes(bytes, 0, bytes.Length);
-		}
-
-		/// <summary>Fill byte array with random values.</summary>
-		/// <param name="bytes">Array to receive bytes.</param>
-		/// <param name="start">Index to start filling at.</param>
-		/// <param name="len">Length of segment to fill.</param>
-		public virtual void NextBytes(
-			byte[]	bytes,
-			int		start,
-			int		len)
-		{
-			doNextBytes(bytes, start, len);
-		}
-
-		private void doNextBytes(
-			byte[]	bytes,
-			int		start,
-			int		len)
-		{
-			lock (this)
-			{
-				int done = 0;
-				while (done < len)
-				{
-					if (windowCount < 1)
-					{
-						generator.NextBytes(window, 0, window.Length);
-						windowCount = window.Length;
-					}
-
-					bytes[start + done++] = window[--windowCount];
-				}
-			}
-		}
-	}
-}