private ProofOfPossession(Asn1TaggedObject tagged)
{
tagNo = tagged.TagNo;
switch (tagNo)
{
case 0:
obj = DerNull.Instance;
break;
case 1:
obj = PopoSigningKey.GetInstance(tagged, false);
break;
case 2:
case 3:
obj = PopoPrivKey.GetInstance(tagged, false);
break;
default:
throw new ArgumentException("unknown tag: " + tagNo, "tagged");
}
}
/**
* Creates a ProofOfPossession for key encipherment or agreement.
* @param type one of TYPE_KEY_ENCIPHERMENT or TYPE_KEY_AGREEMENT
*/
public ProofOfPossession(int type, PopoPrivKey privkey)
{
tagNo = type;
obj = privkey;
}