public void RIPEMD160_e (string testName, RIPEMD160 hash, byte[] input, byte[] result) 
		{
			byte[] copy = new byte [input.Length];
			for (int i=0; i < input.Length - 1; i++)
				hash.TransformBlock (input, i, 1, copy, i);
			hash.TransformFinalBlock (input, input.Length - 1, 1);
			AssertEquals (testName + ".e", result, hash.Hash);
			// required or next operation will still return old hash
			hash.Initialize ();
		}
		public void RIPEMD160_d (string testName, RIPEMD160 hash, byte[] input, byte[] result) 
		{
			hash.TransformFinalBlock (input, 0, input.Length);
			AssertEquals (testName + ".d", result, hash.Hash);
			// required or next operation will still return old hash
			hash.Initialize ();
		}