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using System;
using Org.BouncyCastle.Asn1.Cms;
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 tagNo;
private readonly Asn1Encodable obj;
private PopoPrivKey(Asn1TaggedObject obj)
{
this.tagNo = obj.TagNo;
switch (tagNo)
{
case thisMessage:
this.obj = DerBitString.GetInstance(obj, false);
break;
case subsequentMessage:
this.obj = SubsequentMessage.ValueOf(DerInteger.GetInstance(obj, false).IntValueExact);
break;
case dhMAC:
this.obj = DerBitString.GetInstance(obj, false);
break;
case agreeMAC:
this.obj = PKMacValue.GetInstance(obj, false);
break;
case encryptedKey:
this.obj = EnvelopedData.GetInstance(obj, false);
break;
default:
throw new ArgumentException("unknown tag in PopoPrivKey", "obj");
}
}
public static PopoPrivKey GetInstance(Asn1TaggedObject tagged, bool isExplicit)
{
return new PopoPrivKey(Asn1TaggedObject.GetInstance(tagged, true));
}
public PopoPrivKey(PKMacValue pkMacValue)
{
this.tagNo = agreeMAC;
this.obj = pkMacValue;
}
public PopoPrivKey(SubsequentMessage msg)
{
this.tagNo = subsequentMessage;
this.obj = msg;
}
public virtual int Type
{
get { return tagNo; }
}
public virtual Asn1Encodable Value
{
get { return obj; }
}
/**
* <pre>
* PopoPrivKey ::= CHOICE {
* thisMessage [0] BIT STRING, -- Deprecated
* -- possession is proven in this message (which contains the private
* -- key itself (encrypted for the CA))
* subsequentMessage [1] SubsequentMessage,
* -- possession will be proven in a subsequent message
* dhMAC [2] BIT STRING, -- Deprecated
* agreeMAC [3] PKMACValue,
* encryptedKey [4] EnvelopedData }
* </pre>
*/
public override Asn1Object ToAsn1Object()
{
return new DerTaggedObject(false, tagNo, obj);
}
}
}
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