internal override TpmHash GetPolicyDigest(TpmAlgId hashAlg)
{
var m = new Marshaller();
m.Put(TpmCc.PolicyPCR, "ordinal");
m.Put(Pcrs.GetTpmlPcrSelection(), "selection");
m.Put(Pcrs.GetSelectionHash(hashAlg).HashData, "pcrs");
return GetNextAcePolicyDigest(hashAlg).Extend(m.GetBytes());
}