1 files changed, 107 insertions, 0 deletions
diff --git a/crypto/src/asn1/ocsp/ResponderID.cs b/crypto/src/asn1/ocsp/ResponderID.cs
new file mode 100644
index 000000000..143b17339
--- /dev/null
+++ b/crypto/src/asn1/ocsp/ResponderID.cs
@@ -0,0 +1,107 @@
+using System;
+
+using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Asn1.X509;
+
+namespace Org.BouncyCastle.Asn1.Ocsp
+{
+    public class ResponderID
+        : Asn1Encodable, IAsn1Choice
+    {
+        private readonly Asn1Encodable id;
+
+		public static ResponderID GetInstance(
+			object obj)
+		{
+			if (obj == null || obj is ResponderID)
+			{
+				return (ResponderID)obj;
+			}
+
+			if (obj is DerOctetString)
+			{
+				return new ResponderID((DerOctetString)obj);
+			}
+
+			if (obj is Asn1TaggedObject)
+			{
+				Asn1TaggedObject o = (Asn1TaggedObject)obj;
+
+				if (o.TagNo == 1)
+				{
+					return new ResponderID(X509Name.GetInstance(o, true));
+				}
+
+				return new ResponderID(Asn1OctetString.GetInstance(o, true));
+			}
+
+			return new ResponderID(X509Name.GetInstance(obj));
+		}
+
+		public ResponderID(
+            Asn1OctetString id)
+        {
+			if (id == null)
+				throw new ArgumentNullException("id");
+
+			this.id = id;
+        }
+
+		public ResponderID(
+            X509Name id)
+        {
+			if (id == null)
+				throw new ArgumentNullException("id");
+
+			this.id = id;
+        }
+
+		public static ResponderID GetInstance(
+			Asn1TaggedObject	obj,
+			bool				isExplicit)
+		{
+			return GetInstance(obj.GetObject()); // must be explicitly tagged
+		}
+
+		public virtual byte[] GetKeyHash()
+		{
+			if (id is Asn1OctetString)
+			{
+				return ((Asn1OctetString)id).GetOctets();
+			}
+
+			return null;
+		}
+
+		public virtual X509Name Name
+		{
+			get
+			{
+				if (id is Asn1OctetString)
+				{
+					return null;
+				}
+
+				return X509Name.GetInstance(id);
+			}
+		}
+
+		/**
+         * Produce an object suitable for an Asn1OutputStream.
+         * <pre>
+         * ResponderID ::= CHOICE {
+         *      byName          [1] Name,
+         *      byKey           [2] KeyHash }
+         * </pre>
+         */
+        public override Asn1Object ToAsn1Object()
+        {
+            if (id is Asn1OctetString)
+            {
+                return new DerTaggedObject(true, 2, id);
+            }
+
+			return new DerTaggedObject(true, 1, id);
+        }
+    }
+}