CHAPTER 14
Extended Authorization (EA) Policies
TPM 2.0 has unified the way that all entities controlled by the TPM may be authorized. Earlier chapters have discussed authorization data used for passwords and HMAC authorization. This chapter goes into detail about one of the most useful new forms of authorization in the TPM, starting with a description of why this feature was added to the TPM and then describing in broad brushstrokes the multifaceted approach that was taken.
This new approach for authorization has many capabilities. As a result, if a user wants to restrict an entity so it can be used only under specific circumstances, it’s possible ...
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