1 files changed, 27 insertions, 0 deletions
diff --git a/mcs/class/corlib/System.Security.Cryptography/DeriveBytes.cs b/mcs/class/corlib/System.Security.Cryptography/DeriveBytes.cs
new file mode 100755
index 00000000000..048c4182cd7
--- /dev/null
+++ b/mcs/class/corlib/System.Security.Cryptography/DeriveBytes.cs
@@ -0,0 +1,27 @@
+//
+// System.Security.Cryptography DeriveBytes.cs
+//
+// Author:
+//   Thomas Neidhart (tome@sbox.tugraz.at)
+//
+
+using System;
+
+namespace System.Security.Cryptography
+{
+
+	/// <summary>
+	/// Abstract base class for all classes that derive byte information from an integer
+	/// </summary>
+	public abstract class DeriveBytes
+	{
+	
+		protected DeriveBytes() {}
+		
+		public abstract byte[] GetBytes(int cb);
+
+		public abstract void Reset();
+		
+	} // DeriveBytes
+	
+} // System.Security.Cryptography