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using System;
using Org.BouncyCastle.Utilities;
namespace Org.BouncyCastle.Asn1.Crmf
{
public class PkiArchiveOptions
: Asn1Encodable, IAsn1Choice
{
public const int encryptedPrivKey = 0;
public const int keyGenParameters = 1;
public const int archiveRemGenPrivKey = 2;
private readonly Asn1Encodable value;
public static PkiArchiveOptions GetInstance(object obj)
{
if (obj is PkiArchiveOptions pkiArchiveOptions)
return pkiArchiveOptions;
if (obj is Asn1TaggedObject taggedObject)
return new PkiArchiveOptions(Asn1Utilities.CheckTagClass(taggedObject, Asn1Tags.ContextSpecific));
throw new ArgumentException("Invalid object: " + Platform.GetTypeName(obj), "obj");
}
private PkiArchiveOptions(Asn1TaggedObject tagged)
{
switch (tagged.TagNo)
{
case encryptedPrivKey:
value = EncryptedKey.GetInstance(tagged.GetExplicitBaseObject());
break;
case keyGenParameters:
value = Asn1OctetString.GetInstance(tagged, false);
break;
case archiveRemGenPrivKey:
value = DerBoolean.GetInstance(tagged, false);
break;
default:
throw new ArgumentException("unknown tag number: " + tagged.TagNo, "tagged");
}
}
public PkiArchiveOptions(EncryptedKey encKey)
{
this.value = encKey;
}
public PkiArchiveOptions(Asn1OctetString keyGenParameters)
{
this.value = keyGenParameters;
}
public PkiArchiveOptions(bool archiveRemGenPrivKey)
{
this.value = DerBoolean.GetInstance(archiveRemGenPrivKey);
}
public virtual int Type
{
get
{
if (value is EncryptedKey)
return encryptedPrivKey;
if (value is Asn1OctetString)
return keyGenParameters;
return archiveRemGenPrivKey;
}
}
public virtual Asn1Encodable Value
{
get { return value; }
}
/**
* <pre>
* PkiArchiveOptions ::= CHOICE {
* encryptedPrivKey [0] EncryptedKey,
* -- the actual value of the private key
* keyGenParameters [1] KeyGenParameters,
* -- parameters which allow the private key to be re-generated
* archiveRemGenPrivKey [2] BOOLEAN }
* -- set to TRUE if sender wishes receiver to archive the private
* -- key of a key pair that the receiver generates in response to
* -- this request; set to FALSE if no archival is desired.
* </pre>
*/
public override Asn1Object ToAsn1Object()
{
if (value is EncryptedKey)
{
return new DerTaggedObject(true, encryptedPrivKey, value); // choice
}
if (value is Asn1OctetString)
{
return new DerTaggedObject(false, keyGenParameters, value);
}
return new DerTaggedObject(false, archiveRemGenPrivKey, value);
}
}
}
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