Initial Commit

iTechSharp/srcbc/asn1/cms/OriginatorIdentifierOrKey.cs

@@ -0,0 +1,115 @@
+using System;
+
+using Org.BouncyCastle.Asn1;
+
+namespace Org.BouncyCastle.Asn1.Cms
+{
+    public class OriginatorIdentifierOrKey
+        : Asn1Encodable
+    {
+        private Asn1Encodable id;
+
+        public OriginatorIdentifierOrKey(
+            IssuerAndSerialNumber id)
+        {
+            this.id = id;
+        }
+
+        public OriginatorIdentifierOrKey(
+            Asn1OctetString id)
+        {
+            this.id = new DerTaggedObject(false, 0, id);
+        }
+
+        public OriginatorIdentifierOrKey(
+            OriginatorPublicKey id)
+        {
+            this.id = new DerTaggedObject(false, 1, id);
+        }
+
+        public OriginatorIdentifierOrKey(
+            Asn1Object id)
+        {
+            this.id = id;
+        }
+
+        /**
+         * return an OriginatorIdentifierOrKey object from a tagged object.
+         *
+         * @param o the tagged object holding the object we want.
+         * @param explicitly true if the object is meant to be explicitly
+         *              tagged false otherwise.
+         * @exception ArgumentException if the object held by the
+         *          tagged object cannot be converted.
+         */
+        public static OriginatorIdentifierOrKey GetInstance(
+            Asn1TaggedObject	o,
+            bool				explicitly)
+        {
+            if (!explicitly)
+            {
+                throw new ArgumentException(
+                        "Can't implicitly tag OriginatorIdentifierOrKey");
+            }
+
+			return GetInstance(o.GetObject());
+        }
+
+        /**
+         * return an OriginatorIdentifierOrKey object from the given object.
+         *
+         * @param o the object we want converted.
+         * @exception ArgumentException if the object cannot be converted.
+         */
+        public static OriginatorIdentifierOrKey GetInstance(
+            object o)
+        {
+            if (o == null || o is OriginatorIdentifierOrKey)
+            {
+                return (OriginatorIdentifierOrKey)o;
+            }
+
+			if (o is Asn1Object)
+            {
+                return new OriginatorIdentifierOrKey((Asn1Object)o);
+            }
+
+			throw new ArgumentException("Invalid OriginatorIdentifierOrKey: " + o.GetType().Name);
+        }
+
+		public Asn1Encodable ID
+		{
+			get { return id; }
+		}
+
+		public OriginatorPublicKey OriginatorKey
+		{
+			get
+			{
+				if (id is Asn1TaggedObject && ((Asn1TaggedObject)id).TagNo == 1)
+				{
+					return OriginatorPublicKey.GetInstance((Asn1TaggedObject)id, false);
+				}
+
+				return null;
+			}
+		}
+
+		/**
+         * Produce an object suitable for an Asn1OutputStream.
+         * <pre>
+         * OriginatorIdentifierOrKey ::= CHOICE {
+         *     issuerAndSerialNumber IssuerAndSerialNumber,
+         *     subjectKeyIdentifier [0] SubjectKeyIdentifier,
+         *     originatorKey [1] OriginatorPublicKey
+         * }
+         *
+         * SubjectKeyIdentifier ::= OCTET STRING
+         * </pre>
+         */
+        public override Asn1Object ToAsn1Object()
+        {
+            return id.ToAsn1Object();
+        }
+    }
+}