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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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