2007•Jisuanji gongchengRequires access

Flexible Trusted PC and Its Realization

XU Rong-sheng

Abstract

Based on the trusted computing group(TCG) specifications about trusted computing,a new type of flexible trusted PC(FTPC) is developed.The model and the trust transitive mechanism of FTPC are discussed.The trusted platform module(TPM) is an extension of USB port,and the legacy BIOS is enhanced to be the core root of trust for measurement(CRTM) in FTPC.The technologies,such as identity authentication of entity,integrity measurement of entity,and sealed storage,are employed in FTPC to support trusted computing.Without changing the PC’s current hardware architecture,the FTPC is more easy and flexible to be implemented and applied than the TCG trusted PC.

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Key concepts: Direct Anonymous Attestation, Trusted Computing, Trusted Platform Module, Trusted Network Connect, Computer science, Operating system, USB, Authentication (law)