Platform
Base
Memory
Secure Boot
TPM
Secure Storage
TEE
SE
Attestation
DRM
virtualization
CE
AK provision 可通过 signing 或 encrypt。
anonymous signing ecdaa,verifier的RL check开销大。
支持sm2/3/4。
Trusted Platform Module Library Specification, Family “2.0”
TPM 2.0 Keys for Device Identity and Attestation