/** Creates a new PopoSigningKeyInput using password-based MAC. */
public PopoSigningKeyInput(
PKMacValue pkmac,
SubjectPublicKeyInfo spki)
{
this.publicKeyMac = pkmac;
this.publicKey = spki;
}
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).Value.IntValue);
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");
}
}
private PopoSigningKeyInput(Asn1Sequence seq)
{
Asn1Encodable authInfo = (Asn1Encodable)seq[0];
if (authInfo is Asn1TaggedObject)
{
Asn1TaggedObject tagObj = (Asn1TaggedObject)authInfo;
if (tagObj.TagNo != 0)
{
throw new ArgumentException("Unknown authInfo tag: " + tagObj.TagNo, "seq");
}
sender = GeneralName.GetInstance(tagObj.GetObject());
}
else
{
publicKeyMac = PKMacValue.GetInstance(authInfo);
}
publicKey = SubjectPublicKeyInfo.GetInstance(seq[1]);
}