1 files changed, 70 insertions, 0 deletions
diff --git a/Crypto/src/asn1/BerSet.cs b/Crypto/src/asn1/BerSet.cs
new file mode 100644
index 000000000..a181e172d
--- /dev/null
+++ b/Crypto/src/asn1/BerSet.cs
@@ -0,0 +1,70 @@
+namespace Org.BouncyCastle.Asn1
+{
+    public class BerSet
+        : DerSet
+    {
+		public static new readonly BerSet Empty = new BerSet();
+
+		public static new BerSet FromVector(
+			Asn1EncodableVector v)
+		{
+			return v.Count < 1 ? Empty : new BerSet(v);
+		}
+
+		internal static new BerSet FromVector(
+			Asn1EncodableVector v,
+			bool				needsSorting)
+		{
+			return v.Count < 1 ? Empty : new BerSet(v, needsSorting);
+		}
+
+		/**
+         * create an empty sequence
+         */
+        public BerSet()
+        {
+        }
+
+        /**
+         * create a set containing one object
+         */
+        public BerSet(Asn1Encodable obj) : base(obj)
+        {
+        }
+
+        /**
+         * create a set containing a vector of objects.
+         */
+        public BerSet(Asn1EncodableVector v) : base(v, false)
+        {
+        }
+
+        internal BerSet(Asn1EncodableVector v, bool needsSorting) : base(v, needsSorting)
+        {
+        }
+
+        /*
+         */
+        internal override void Encode(
+            DerOutputStream derOut)
+        {
+            if (derOut is Asn1OutputStream || derOut is BerOutputStream)
+            {
+                derOut.WriteByte(Asn1Tags.Set | Asn1Tags.Constructed);
+                derOut.WriteByte(0x80);
+
+                foreach (Asn1Encodable o in this)
+				{
+                    derOut.WriteObject(o);
+                }
+
+                derOut.WriteByte(0x00);
+                derOut.WriteByte(0x00);
+            }
+            else
+            {
+                base.Encode(derOut);
+            }
+        }
+    }
+}