1 files changed, 70 insertions, 0 deletions
diff --git a/crypto/src/asn1/x509/PolicyMappings.cs b/crypto/src/asn1/x509/PolicyMappings.cs
new file mode 100644
index 000000000..928ad134d
--- /dev/null
+++ b/crypto/src/asn1/x509/PolicyMappings.cs
@@ -0,0 +1,70 @@
+using System.Collections;
+
+namespace Org.BouncyCastle.Asn1.X509
+{
+	/**
+	 * PolicyMappings V3 extension, described in RFC3280.
+	 * <pre>
+	 *    PolicyMappings ::= Sequence SIZE (1..MAX) OF Sequence {
+	 *      issuerDomainPolicy      CertPolicyId,
+	 *      subjectDomainPolicy     CertPolicyId }
+	 * </pre>
+	 *
+	 * @see <a href="http://www.faqs.org/rfc/rfc3280.txt">RFC 3280, section 4.2.1.6</a>
+	 */
+	public class PolicyMappings
+		: Asn1Encodable
+	{
+		private readonly Asn1Sequence seq;
+
+		/**
+		 * Creates a new <code>PolicyMappings</code> instance.
+		 *
+		 * @param seq an <code>Asn1Sequence</code> constructed as specified
+		 * in RFC 3280
+		 */
+		public PolicyMappings(
+			Asn1Sequence seq)
+		{
+			this.seq = seq;
+		}
+
+#if !(SILVERLIGHT || PORTABLE)
+        public PolicyMappings(
+            Hashtable mappings)
+            : this((IDictionary)mappings)
+        {
+        }
+#endif
+
+        /**
+		 * Creates a new <code>PolicyMappings</code> instance.
+		 *
+		 * @param mappings a <code>HashMap</code> value that maps
+		 * <code>string</code> oids
+		 * to other <code>string</code> oids.
+		 */
+		public PolicyMappings(
+			IDictionary mappings)
+		{
+			Asn1EncodableVector v = new Asn1EncodableVector();
+
+			foreach (string idp in mappings.Keys)
+			{
+				string sdp = (string) mappings[idp];
+
+				v.Add(
+					new DerSequence(
+						new DerObjectIdentifier(idp),
+						new DerObjectIdentifier(sdp)));
+			}
+
+			seq = new DerSequence(v);
+		}
+
+		public override Asn1Object ToAsn1Object()
+		{
+			return seq;
+		}
+	}
+}