PopoPrivKey
using Org.BouncyCastle.Asn1.Cms;
using System;
namespace Org.BouncyCastle.Asn1.Crmf
{
public class PopoPrivKey : Asn1Encodable, IAsn1Choice
{
public const int thisMessage = 0;
public const int subsequentMessage = 1;
public const int dhMAC = 2;
public const int agreeMAC = 3;
public const int encryptedKey = 4;
private readonly int m_tagNo;
private readonly Asn1Encodable m_obj;
public virtual int Type => m_tagNo;
public virtual Asn1Encodable Value => m_obj;
public static PopoPrivKey GetInstance(object obj)
{
return Asn1Utilities.GetInstanceChoice(obj, GetOptional);
}
public static PopoPrivKey GetInstance(Asn1TaggedObject tagged, bool isExplicit)
{
return Asn1Utilities.GetInstanceChoice(tagged, isExplicit, GetInstance);
}
public static PopoPrivKey GetOptional(Asn1Encodable element)
{
if (element == null)
throw new ArgumentNullException("element");
PopoPrivKey popoPrivKey = element as PopoPrivKey;
if (popoPrivKey != null)
return popoPrivKey;
Asn1TaggedObject optional = Asn1TaggedObject.GetOptional(element);
if (optional != null) {
Asn1Encodable optionalBaseObject = GetOptionalBaseObject(optional);
if (optionalBaseObject != null)
return new PopoPrivKey(optional.TagNo, optionalBaseObject);
}
return null;
}
public static PopoPrivKey GetTagged(Asn1TaggedObject taggedObject, bool declaredExplicit)
{
return Asn1Utilities.GetTaggedChoice(taggedObject, declaredExplicit, GetInstance);
}
private static Asn1Encodable GetOptionalBaseObject(Asn1TaggedObject taggedObject)
{
if (taggedObject.HasContextTag()) {
switch (taggedObject.TagNo) {
case 0:
case 2:
return DerBitString.GetTagged(taggedObject, false);
case 1:
return SubsequentMessage.ValueOf(DerInteger.GetTagged(taggedObject, false).IntValueExact);
case 3:
return PKMacValue.GetTagged(taggedObject, false);
case 4:
return EnvelopedData.GetTagged(taggedObject, false);
}
}
return null;
}
private PopoPrivKey(int tagNo, Asn1Encodable obj)
{
m_tagNo = tagNo;
if (obj == null)
throw new ArgumentNullException("obj");
m_obj = obj;
}
public PopoPrivKey(PKMacValue pkMacValue)
: this(3, pkMacValue)
{
}
public PopoPrivKey(SubsequentMessage msg)
: this(1, msg)
{
}
public override Asn1Object ToAsn1Object()
{
return new DerTaggedObject(false, m_tagNo, m_obj);
}
}
}