|
public static ZeroHash ( TpmAlgId alg ) : |
||
| alg | TpmAlgId | |
| return | ||
internal TpmHash GetNextAcePolicyDigest(TpmAlgId hashAlg)
{
if (NextAce == null)
{
if (String.IsNullOrEmpty(BranchID))
{
Globs.Throw("GetNextAcePolicyDigest: Policy tree leaf must have a " +
"BranchIdentifier set to allow the policy to be evaluated");
}
return(TpmHash.ZeroHash(hashAlg));
}
return(NextAce.GetPolicyDigest(hashAlg));
}
internal override TpmHash GetPolicyDigest(TpmAlgId hashAlg)
{
int numBranches = PolicyBranches.Count;
if (numBranches < 2 || numBranches > 8)
{
Globs.Throw("GetPolicyDigest: Must have between 2 and 8 branches in a PolicyOr");
}
var m = new Marshaller();
m.Put(TpmHash.ZeroHash(hashAlg).HashData, "zero");
m.Put(TpmCc.PolicyOR, "ordinal");
foreach (PolicyAce branch in PolicyBranches)
{
TpmHash branchPolicyHash = branch.GetPolicyDigest(hashAlg);
m.Put(branchPolicyHash.HashData, "h");
}
return(TpmHash.FromData(hashAlg, m.GetBytes()));
}
internal override TpmHash GetPolicyDigest(TpmAlgId hashAlg)
{
// Authorize NV results in a REPLACEMENT not an extend of the previous policy.
return(PolicyUpdate1(TpmHash.ZeroHash(hashAlg),
TpmCc.PolicyAuthorizeNV, NvIndexName));
}
internal override TpmHash GetPolicyDigest(TpmAlgId hashAlg)
{
// Authorize results in a REPLACEMENT not an extend of the previous policy.
return(PolicyUpdate(TpmHash.ZeroHash(hashAlg),
TpmCc.PolicyAuthorize, SigKeyName, PolicyRef));
}
