1 files changed, 61 insertions, 0 deletions
diff --git a/crypto/src/util/collections/UnmodifiableListProxy.cs b/crypto/src/util/collections/UnmodifiableListProxy.cs
new file mode 100644
index 000000000..9d00737ef
--- /dev/null
+++ b/crypto/src/util/collections/UnmodifiableListProxy.cs
@@ -0,0 +1,61 @@
+using System;
+using System.Collections;
+
+namespace Org.BouncyCastle.Utilities.Collections
+{
+	public class UnmodifiableListProxy
+		: UnmodifiableList
+	{
+		private readonly IList l;
+
+		public UnmodifiableListProxy(IList l)
+		{
+			this.l = l;
+		}
+
+		public override bool Contains(object o)
+		{
+			return l.Contains(o);
+		}
+
+		public override void CopyTo(Array array, int index)
+		{
+			l.CopyTo(array, index);
+		}
+
+		public override int Count
+		{
+			get { return l.Count; }
+		}
+
+		public override IEnumerator GetEnumerator()
+		{
+			return l.GetEnumerator();
+		}
+
+		public override int IndexOf(object o)
+		{
+			return l.IndexOf(o);
+		}
+
+		public override bool IsFixedSize
+		{
+			get { return l.IsFixedSize; }
+		}
+
+		public override bool IsSynchronized
+		{
+			get { return l.IsSynchronized; }
+		}
+
+		public override object SyncRoot
+		{
+			get { return l.SyncRoot; }
+		}
+
+		protected override object GetValue(int i)
+		{
+			return l[i];
+		}
+	}
+}