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    • 20. 发明授权
    • Method and system for tracking a secure boot in a trusted computing environment
    • 用于在可信计算环境中跟踪安全引导的方法和系统
    • US07191464B2
    • 2007-03-13
    • US09978381
    • 2001-10-16
    • Daryl Carvis CromerJoseph Wayne FreemanSteven Dale GoodmanEric Richard KernRandall Scott Springfield
    • Daryl Carvis CromerJoseph Wayne FreemanSteven Dale GoodmanEric Richard KernRandall Scott Springfield
    • H04L9/32G06F15/177
    • G06F21/575
    • A method, system and computer readable medium containing programming instructions for tracking a secure boot in a computer system having a plurality of devices is disclosed. The method, system and computer readable medium include providing an embedded security system (ESS) in the computer system, wherein the ESS includes at least one boot platform configuration register (PCR) and a shadow PCR for each of the at least one boot PCRs, initiating a platform reset to boot the computer system via BIOS, and, for a device booted, generating a measurement value for the device and extending that value to one of the at least one boot PCRs and its corresponding shadow PCR. The system, method and computer readable medium of the present invention also includes comparing the measurement values of the boot PCRs to their corresponding shadow PCRs, whereby the computer system is trusted if the measurement values match.
    • 公开了一种包含用于在具有多个设备的计算机系统中跟踪安全引导的编程指令的方法,系统和计算机可读介质。 所述方法,系统和计算机可读介质包括在所述计算机系统中提供嵌入式安全系统(ESS),其中所述ESS包括用于所述至少一个启动PCR中的每一个的至少一个引导平台配置寄存器(PCR)和阴影PCR, 启动平台重置以通过BIOS引导计算机系统,并且对于引导的设备,生成所述设备的测量值并将该值扩展到所述至少一个启动PCR中的一个及其相应的阴影PCR。 本发明的系统,方法和计算机可读介质还包括将引导PCR的测量值与其相应的阴影PCR进行比较,从而如果测量值匹配,则计算机系统被信任。