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Understanding Hardware Security and TEEs
This chapter explores the intricacies of hardware security, particularly focusing on private keys embedded in chips and the role of Trusted Execution Environments (TEEs) during the boot-up process. It discusses the establishment of a trust chain through certified firmware, the challenges of securing trusted versus untrusted code, and the impact of various adversaries on security landscapes. Additionally, the chapter highlights the need for a balanced approach between security and performance, along with the significance of transparency in hardware design.