Test system for credible PC trust chain based on minimum test collection

A technology of testing system and chain of trust, which is applied in the direction of instruments, computing, and electrical digital data processing, etc., can solve problems such as incompleteness, impact on the safety of trusted computing products, and limitations of testing and evaluation, so as to improve efficiency and realize generalization effect

Inactive Publication Date: 2009-04-22
WUHAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] For different trusted PC products, the differences in their implementation lead to limitations and incompleteness in testing and evaluating them purely from the perspective of specifications
This will have a potential impact on the security of trusted computing products

Method used

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  • Test system for credible PC trust chain based on minimum test collection
  • Test system for credible PC trust chain based on minimum test collection
  • Test system for credible PC trust chain based on minimum test collection

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0071] Such as Figure 1 ~ Figure 3 As shown, the trusted PC trust chain test system based on the minimum test set includes:

[0072] Trusted platform module, as the root of trust for the measurement and verification of the entire system;

[0073] The trusted measurement root core serves as the anchor node for the entire system measurement;

[0074] Basic input and output system, used for system self-test and initialization;

[0075] system boot loader, used to boot into the desired operating system;

[0076] Operating system platforms, used to monitor, virtualize or provide operating system environments;

[0077] The trusted platform module and the basic input output system are installed in the trusted PC chain of trust test system as a hardware chip, the system boot loader is built on the basic input output system as a software module, and the operating system The platform is built as a software module on top of the system boot loader;

[0078] The root of trusted measu...

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PUM

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Abstract

The invention provides a reliable PC trust chain test system based on the smallest test set and the system comprises a reliable platform module, a reliable measuring root core, a basic input and output system, a system starting loader and an operation system platform; the reliable platform module and the basic input and output system as hardware chips are arranged in the reliable PC trust chain test system; the system starting loader as a software module is built on the basic input and output system; the operation system platform as a software module is built on the system starting loader; the system starting loader is provided with the test system of the reliable measuring root core; the operation system platform is provided with a trust chain test antitype system, an event test system and a state test system. The reliable PC trust chain test system based on the smallest test set can carry out test to aim at the trust chains of different reliable PC platforms and can be used as the reference for the safety evaluation of the reliable PC.

Description

technical field [0001] The present invention relates to the technical field of computer information security, and mainly relates to a trusted PC following the specifications of the Trusted Computing Group (Trusted Computing Group, abbreviated as TCG, see reference [1]), and performing a specification consistency test on its trust chain. Background technique [0002] Trusted PC is a trusted computing platform that has been commercialized, and its main feature is that a trusted building block (TBB) is embedded on the motherboard. This TBB is the trust starting point of the trusted PC platform, which includes the Core Root of Trust for Measurement (abbreviated as CRTM) and the trusted platform module (Trusted Platform Module, abbreviated as TPM), as well as the communication between them and the motherboard. of the connection. TCG believes that a trusted computing platform must contain three roots of trust: Root of Trust for Measurement (abbreviated as RTM), Root of Trust for ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/00G06F21/50
Inventor 张焕国严飞徐明迪杨飏宋利华王莉张雨
Owner WUHAN UNIV
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