1 files changed, 64 insertions, 0 deletions
diff --git a/Crypto/src/asn1/crmf/OptionalValidity.cs b/Crypto/src/asn1/crmf/OptionalValidity.cs
new file mode 100644
index 000000000..c0037999a
--- /dev/null
+++ b/Crypto/src/asn1/crmf/OptionalValidity.cs
@@ -0,0 +1,64 @@
+using System;
+
+using Org.BouncyCastle.Asn1.X509;
+
+namespace Org.BouncyCastle.Asn1.Crmf
+{
+ public class OptionalValidity
+ : Asn1Encodable
+ {
+ private readonly Time notBefore;
+ private readonly Time notAfter;
+
+ private OptionalValidity(Asn1Sequence seq)
+ {
+ foreach (Asn1TaggedObject tObj in seq)
+ {
+ if (tObj.TagNo == 0)
+ {
+ notBefore = Time.GetInstance(tObj, true);
+ }
+ else
+ {
+ notAfter = Time.GetInstance(tObj, true);
+ }
+ }
+ }
+
+ public static OptionalValidity GetInstance(object obj)
+ {
+ if (obj is OptionalValidity)
+ return (OptionalValidity)obj;
+
+ if (obj is Asn1Sequence)
+ return new OptionalValidity((Asn1Sequence)obj);
+
+ throw new ArgumentException("Invalid object: " + obj.GetType().Name, "obj");
+ }
+
+ /**
+ * <pre>
+ * OptionalValidity ::= SEQUENCE {
+ * notBefore [0] Time OPTIONAL,
+ * notAfter [1] Time OPTIONAL } --at least one MUST be present
+ * </pre>
+ * @return a basic ASN.1 object representation.
+ */
+ public override Asn1Object ToAsn1Object()
+ {
+ Asn1EncodableVector v = new Asn1EncodableVector();
+
+ if (notBefore != null)
+ {
+ v.Add(new DerTaggedObject(true, 0, notBefore));
+ }
+
+ if (notAfter != null)
+ {
+ v.Add(new DerTaggedObject(true, 1, notAfter));
+ }
+
+ return new DerSequence(v);
+ }
+ }
+}
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