Initial Commit

iTechSharp/srcbc/asn1/cms/OriginatorPublicKey.cs

@@ -0,0 +1,91 @@
+using System;
+
+using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Asn1.X509;
+
+namespace Org.BouncyCastle.Asn1.Cms
+{
+    public class OriginatorPublicKey
+        : Asn1Encodable
+    {
+        private AlgorithmIdentifier algorithm;
+        private DerBitString        publicKey;
+
+		public OriginatorPublicKey(
+            AlgorithmIdentifier algorithm,
+            byte[]              publicKey)
+        {
+            this.algorithm = algorithm;
+            this.publicKey = new DerBitString(publicKey);
+        }
+
+		public OriginatorPublicKey(
+            Asn1Sequence seq)
+        {
+            algorithm = AlgorithmIdentifier.GetInstance(seq[0]);
+            publicKey = (DerBitString) seq[1];
+        }
+
+		/**
+         * return an OriginatorPublicKey object from a tagged object.
+         *
+         * @param obj 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 OriginatorPublicKey GetInstance(
+            Asn1TaggedObject	obj,
+            bool				explicitly)
+        {
+            return GetInstance(Asn1Sequence.GetInstance(obj, explicitly));
+        }
+
+		/**
+         * return an OriginatorPublicKey object from the given object.
+         *
+         * @param obj the object we want converted.
+         * @exception ArgumentException if the object cannot be converted.
+         */
+        public static OriginatorPublicKey GetInstance(
+            object obj)
+        {
+            if (obj == null || obj is OriginatorPublicKey)
+            {
+                return (OriginatorPublicKey)obj;
+            }
+
+			if (obj is Asn1Sequence)
+            {
+                return new OriginatorPublicKey((Asn1Sequence) obj);
+            }
+
+			throw new ArgumentException("Invalid OriginatorPublicKey: " + obj.GetType().Name);
+        }
+
+		public AlgorithmIdentifier Algorithm
+		{
+			get { return algorithm; }
+		}
+
+		public DerBitString PublicKey
+		{
+			get { return publicKey; }
+		}
+
+		/**
+         * Produce an object suitable for an Asn1OutputStream.
+         * <pre>
+         * OriginatorPublicKey ::= Sequence {
+         *     algorithm AlgorithmIdentifier,
+         *     publicKey BIT STRING
+         * }
+         * </pre>
+         */
+        public override Asn1Object ToAsn1Object()
+        {
+			return new DerSequence(algorithm, publicKey);
+        }
+    }
+}