using Org.BouncyCastle.Asn1.X509; namespace Org.BouncyCastle.Asn1.Crmf { public class OptionalValidity : Asn1Encodable { private readonly Time notBefore; private readonly Time notAfter; public virtual Time NotBefore => notBefore; public virtual Time NotAfter => notAfter; private OptionalValidity(Asn1Sequence seq) { foreach (Asn1TaggedObject item in seq) { if (item.TagNo == 0) notBefore = Time.GetInstance(item, true); else notAfter = Time.GetInstance(item, true); } } public static OptionalValidity GetInstance(object obj) { if (obj == null || obj is OptionalValidity) return (OptionalValidity)obj; return new OptionalValidity(Asn1Sequence.GetInstance(obj)); } public OptionalValidity(Time notBefore, Time notAfter) { this.notBefore = notBefore; this.notAfter = notAfter; } public override Asn1Object ToAsn1Object() { Asn1EncodableVector asn1EncodableVector = new Asn1EncodableVector(2); asn1EncodableVector.AddOptionalTagged(true, 0, notBefore); asn1EncodableVector.AddOptionalTagged(true, 1, notAfter); return new DerSequence(asn1EncodableVector); } } }