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Traditional Trusted Computing is mainly implemented in the form of boards, chips, etc., and the requirements of hardware modification have greatly limited the widely use of trusted computing. To cope with the dilemma, the idea of designing "Trusted Computing on Chips" becomes a trend with the development of the build-in security module in CPUs. The main challenge lies on how to make full use of processor security features and design a dual-computing security system that meets the requirements of Trusted Computing 3.0. At present, the built-in secure and cryptographic units on processors, such as Phytium and Loongson, and the supported Trust Execution Environment have already provided the foundation for endogenous trusted computing. In this paper, we propose TeTPCM: a TEE Based Endogenous Trusted Platform Control Module (TPCM), which builds an endogenous trusted computing architecture by the collaboration of the TEE and the SoC on phytium processor. Experimental analysis shows that compared with the general-purpose trusted computing chip, endogenous trusted TPCM does not need additional hardware, and is characterized by strong capability, high performance, good scalability, and has better application prospects.
Li et al. (Thu,) studied this question.