Computer Science ›› 2015, Vol. 42 ›› Issue (6): 162-166.doi: 10.11896/j.issn.1002-137X.2015.06.035

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Integrity Based Security Protection Method for Terminal Computer

LI Qing-bao, ZHANG Ping and ZENG Guang-yu   

  • Online:2018-11-14 Published:2018-11-14

Abstract: Terminal computer is the basic unit of network activities,which is directly related to the security of network environment and information systems.An integrity based security protection method for terminal computer was proposed,which integrates integrity measurement and real-time monitoring technology to ensure the security and credibility of terminal computer.A protection framework was established,which uses TPM as hardware trusted base and virtual monitor as the core unit.Integrity measurement is used to establish the basic trusted chain from the hardware platform to operating system.And integrity related objects,such as kernel code,data structures,key registers and system status data,are monitored when the system is running to detect and prevent from malicious tampering in order to ensure system integrity,security and reliability.A lightweight virtual machine monitor was designed using Intel VT hardware-assisted virtualization technology and a prototype system was realized.Tests show that the method is effective and has less impact on the performance of terminal computer.

Key words: Terminal computer,Integrity,Virtual machine monitor,Integrity measurement,Integrity monitoring

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