1 files changed, 78 insertions, 0 deletions
diff --git a/Crypto/src/asn1/x509/AttCertValidityPeriod.cs b/Crypto/src/asn1/x509/AttCertValidityPeriod.cs
new file mode 100644
index 000000000..7f86cd0b8
--- /dev/null
+++ b/Crypto/src/asn1/x509/AttCertValidityPeriod.cs
@@ -0,0 +1,78 @@
+using System;
+
+using Org.BouncyCastle.Asn1;
+
+namespace Org.BouncyCastle.Asn1.X509
+{
+    public class AttCertValidityPeriod
+        : Asn1Encodable
+    {
+        private readonly DerGeneralizedTime	notBeforeTime;
+        private readonly DerGeneralizedTime	notAfterTime;
+
+		public static AttCertValidityPeriod GetInstance(
+            object obj)
+        {
+            if (obj is AttCertValidityPeriod || obj == null)
+            {
+                return (AttCertValidityPeriod) obj;
+            }
+
+			if (obj is Asn1Sequence)
+            {
+                return new AttCertValidityPeriod((Asn1Sequence) obj);
+            }
+
+			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+		}
+
+		public static AttCertValidityPeriod GetInstance(
+            Asn1TaggedObject	obj,
+            bool				explicitly)
+        {
+            return GetInstance(Asn1Sequence.GetInstance(obj, explicitly));
+        }
+
+		private AttCertValidityPeriod(
+            Asn1Sequence seq)
+        {
+			if (seq.Count != 2)
+				throw new ArgumentException("Bad sequence size: " + seq.Count);
+
+			notBeforeTime = DerGeneralizedTime.GetInstance(seq[0]);
+			notAfterTime = DerGeneralizedTime.GetInstance(seq[1]);
+        }
+
+		public AttCertValidityPeriod(
+            DerGeneralizedTime	notBeforeTime,
+            DerGeneralizedTime	notAfterTime)
+        {
+            this.notBeforeTime = notBeforeTime;
+            this.notAfterTime = notAfterTime;
+        }
+
+		public DerGeneralizedTime NotBeforeTime
+		{
+			get { return notBeforeTime; }
+		}
+
+		public DerGeneralizedTime NotAfterTime
+		{
+			get { return notAfterTime; }
+		}
+
+		/**
+         * Produce an object suitable for an Asn1OutputStream.
+         * <pre>
+         *  AttCertValidityPeriod  ::= Sequence {
+         *       notBeforeTime  GeneralizedTime,
+         *       notAfterTime   GeneralizedTime
+         *  }
+         * </pre>
+         */
+        public override Asn1Object ToAsn1Object()
+        {
+			return new DerSequence(notBeforeTime, notAfterTime);
+        }
+    }
+}