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A Trusted Bootstrap Scheme on EFI and TC

A Trusted Bootstrap Scheme on EFI and TC. Rui Zhang,Jiqiang Liu, Shuanghe Peng IEEE Computer Society. Introduction EFI Boot Process The architecture of EFI Trust chain in EFI Trusted boot process of EFI TPM TPM Software Stack Attestation Problem. Introduction (1/2). EFI?

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A Trusted Bootstrap Scheme on EFI and TC

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  1. A Trusted Bootstrap Scheme on EFI and TC RuiZhang,Jiqiang Liu, ShuanghePeng IEEE Computer Society

  2. Introduction • EFI Boot Process • The architecture of EFI • Trust chain in EFI • Trusted boot process of EFI • TPM • TPM Software Stack • Attestation • Problem

  3. Introduction (1/2) • EFI? • Extensible Firmware Interface

  4. Introduction (2/2) • BIOS Vs EFI • 바이오스가하는일을 포함한 EFI ->완전한대체 • 부팅속도 • VGA의존성X 네트워크나 직렬라인으로부팅 가능 • PreOS -> 드라이버인식,제어,cd,파일복사,인터넷,마우스,쉘,GUI,다국어(한국어) • 한계용량 극복(Globally Unuque Identifier->GPT) • 운영체제 손상시 유용 • C언어로작성->확장성 • 다양한 플랫폼지원

  5. EFI Boot Process

  6. Trust chain in EFI

  7. Trusted boot process of EFI

  8. TPM

  9. TPM Software Stack

  10. Attestation

  11. Problem • EFI • TPM

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