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    • 2. 发明申请
    • METERING IN A DATA PROCESSING SYSTEM
    • 在数据处理系统中进行计量
    • WO0237354A3
    • 2003-10-30
    • PCT/GB0104799
    • 2001-10-30
    • HEWLETT PACKARD COMAO WENBOCHEN LIQUN
    • MAO WENBOCHEN LIQUN
    • G06Q30/00H04L9/32
    • G06Q30/06G06Q30/0601
    • A data processing system is described wherein use of resources in the system is metered. Metering evidence is generated which is difficult to forge and is, thus, relatively resistant to tampering. The tamper-resistance of the metering evidence is attributable to the difficulty of factorising a large integer which has only two prime factors of roughly equal size. Such a system finds application, for example, in the field of metering the amount of time a person spends reading advertisement that are published on the World Wide Web. If reliable, such metering evidence may be used by the owner of the web server that contains the advertisement to bill the originator of the advertisement.
    • 描述了数据处理系统,其中计量系统中的资源的使用。 产生了难以伪造的计量证据,因此相对抗篡改。 计量证据的防篡改可归因于将仅具有大致相等尺寸的两个素因子的大整数进行因式分解的困难。 这样的系统例如在计量人们在万维网上发布阅读广告的时间量的领域中找到应用。 如果可靠,则包含广告的网络服务器的所有者可以使用这样的计量证据来对广告的发起者进行帐单。
    • 4. 发明申请
    • EXTENDING AN INTEGRITY MEASUREMENT
    • 扩展完整性测量
    • WO2011146305A3
    • 2012-04-19
    • PCT/US2011036175
    • 2011-05-12
    • HEWLETT PACKARD DEVELOPMENT COPROUDLER GRAEME JOHNCHEN LIQUN
    • PROUDLER GRAEME JOHNCHEN LIQUN
    • G06F9/06G06F9/44G06F21/57
    • G06F21/57
    • A method of extending an integrity measurement in a trusted device operating in an embedded trusted platform by using a set of policy commands to extend a list of Platform Configuration Registers (PCRs) for the device and the current values of the listed PCRs and an integrity value identifying the integrity measurement into a policy register, verify a signature over the integrity value extended into the policy register, and, if verification succeeds, extend a verification key of the trusted platform, plus an indication that it is a verification key, into the policy register, compare the integrity value extended into the policy register with a value stored in the trusted platform, and, if they are the same: extend the stored value, plus an indication that it is a stored value, into the policy register, and extend the integrity measurement in the trasted device if the value in the policy register matches a value stored with the integrity measurement.
    • 一种通过使用一组策略命令扩展设备的平台配置寄存器(PCR)列表和所列出的PCR的当前值以及完整性值来扩展在嵌入式可信平台中操作的可信设备中的完整性测量的方法 将完整性测量识别到策略寄存器中,验证扩展到策略寄存器中的完整性值的签名,并且如果验证成功,则将可信赖平台的验证密钥加上其是验证密钥的指示加入策略 注册,将扩展到策略寄存器的完整性值与存储在可信平台中的值进行比较,如果相同:将存储的值加上存储值的指示加入策略寄存器,并扩展 如果策略寄存器中的值与完整性测量存储的值相匹配,则该设备中的完整性度量。