Chris Coulson
a0deef9ce5
The default attestation key for the TPM2 report signer is currently
created with an empty policy but with the adminWithPolicy attribute set.
This makes it impossible to authorize use of the key for the ADMIN role,
which is required by TPM2_Certify.
This drops the adminWithPolicy attribute so that it can be authorized
using its (empty) authorization value. This is appropriate for local
style attestation keys ("LAKs"). I've been working on an interface for
managing attestation keys which will support creating an IAK, and this
will have both the adminWithPolicy attribute set and a policy defined as
specified in the TCG "TPM 2.0 Keys for Device Identity and Attestation"
spec.
(cherry picked from commit fc5875d137)
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