1 files changed, 83 insertions, 0 deletions
diff --git a/crypto/src/asn1/x509/AccessDescription.cs b/crypto/src/asn1/x509/AccessDescription.cs
new file mode 100644
index 000000000..09b5b5920
--- /dev/null
+++ b/crypto/src/asn1/x509/AccessDescription.cs
@@ -0,0 +1,83 @@
+using System;
+
+namespace Org.BouncyCastle.Asn1.X509
+{
+	/**
+	 * The AccessDescription object.
+	 * <pre>
+	 * AccessDescription  ::=  SEQUENCE {
+	 *       accessMethod          OBJECT IDENTIFIER,
+	 *       accessLocation        GeneralName  }
+	 * </pre>
+	 */
+	public class AccessDescription
+		: Asn1Encodable
+	{
+		public readonly static DerObjectIdentifier IdADCAIssuers = new DerObjectIdentifier("1.3.6.1.5.5.7.48.2");
+		public readonly static DerObjectIdentifier IdADOcsp = new DerObjectIdentifier("1.3.6.1.5.5.7.48.1");
+
+		private readonly DerObjectIdentifier accessMethod;
+		private readonly GeneralName accessLocation;
+
+		public static AccessDescription GetInstance(
+			object obj)
+		{
+			if (obj is AccessDescription)
+				return (AccessDescription) obj;
+
+			if (obj is Asn1Sequence)
+				return new AccessDescription((Asn1Sequence) obj);
+
+			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+		}
+
+		private AccessDescription(
+			Asn1Sequence seq)
+		{
+			if (seq.Count != 2)
+				throw new ArgumentException("wrong number of elements in sequence");
+
+			accessMethod = DerObjectIdentifier.GetInstance(seq[0]);
+			accessLocation = GeneralName.GetInstance(seq[1]);
+		}
+
+		/**
+		 * create an AccessDescription with the oid and location provided.
+		 */
+		public AccessDescription(
+			DerObjectIdentifier	oid,
+			GeneralName			location)
+		{
+			accessMethod = oid;
+			accessLocation = location;
+		}
+
+		/**
+		 *
+		 * @return the access method.
+		 */
+		public DerObjectIdentifier AccessMethod
+		{
+			get { return accessMethod; }
+		}
+
+		/**
+		 *
+		 * @return the access location
+		 */
+		public GeneralName AccessLocation
+		{
+			get { return accessLocation; }
+		}
+
+		public override Asn1Object ToAsn1Object()
+		{
+			return new DerSequence(accessMethod, accessLocation);
+		}
+
+		public override string ToString()
+		{
+			return "AccessDescription: Oid(" + this.accessMethod.Id + ")";
+		}
+	}
+}