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基于可逆向扩展的可信数据封装存储方案
引用本文:魏占祯,李伟,池亚平,方勇.基于可逆向扩展的可信数据封装存储方案[J].吉林大学学报(工学版),2012,42(4):985-991.
作者姓名:魏占祯  李伟  池亚平  方勇
作者单位:1. 北京电子科技学院通信工程系,北京,100070
2. 西安电子科技大学通信工程学院,西安,710071
基金项目:国家自然科学基金项目,国家科技支撑计划重点项目,北京市自然科学基金项目,国家发改委信息安全产品产业化专项基金项目,中央高校基本科研业务费专项项目,北京电子科技学院信息安全重点实验室基金
摘    要:针对封装存储在应用层多任务环境下不能实现异步封装解封操作,提出了一种改进的可信数据封装存储方案,在可信密码模块(TCM)中引入了一个新的寄存器PCR_R,利用可逆向的度量值扩展方案保证平台应用层状态一致,同时利用可信报告根(RTR)和存储度量日志(SML)提供的实时可信状态证明,在应用层多任务环境下实现了异步封装解封操作。

关 键 词:计算机应用  可信计算  可信密码模块  数据封装  PCR扩展

Trusted computing sealing scheme based on reverse extending
WEI Zhan-zhen,LI Wei,CHI Ya-ping,FANG Yong.Trusted computing sealing scheme based on reverse extending[J].Journal of Jilin University:Eng and Technol Ed,2012,42(4):985-991.
Authors:WEI Zhan-zhen  LI Wei  CHI Ya-ping  FANG Yong
Affiliation:1(1.Department of Communication,Beijing Electronic and Science Technology Institute,Beijing 100070,China;2.School of Telecommunications Engineering,Xidian University,Xi’an 710071,China)
Abstract:Data sealing can not achieve asynchronous sealing and unsealing operation in application layer multitasking environment.To overcome this problem,we propose an improved sealing approach for trusted computing,in which a new register PCR_R is introduced into TCM.It uses the metrics reversible extending scheme to guarantee the state of platform in application layer unanimous.The improved sealing approach also uses the real-time validation of trusting state provided by Root of Trust for Reporting(RTR) and Stored Measurement Log(SML) to solve the asynchronous sealing and unsealing operation in application layer multitasking environment.
Keywords:computer application trusted computing trusted cryptography module (TCM) datasealing PCR extend
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