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    • 2. 发明授权
    • TPM-based license activation and validation
    • 基于TPM的许可证激活和验证
    • US08418259B2
    • 2013-04-09
    • US12652094
    • 2010-01-05
    • Mikael HoralHakki Tunc BostanciVandana GunupudiNing ZhangScott Daniel AndersonStefan ThomErik Holt
    • Mikael HoralHakki Tunc BostanciVandana GunupudiNing ZhangScott Daniel AndersonStefan ThomErik Holt
    • G06F7/04
    • G06F21/10G06F2221/0704
    • A Trusted Activation License (TAL) can be comprised of a key unique to a Trusted Platform Module (TPM) and identifying information of the software applications bundled with the computing device having that TPM. To activate the software applications, the identifying information in the TAL can be compared against that of the software applications being activated, and the unique TPM key in the TAL can be compared against that of the TPM on the computing device on which the activation is taking place. Subsequent validations can be based on a protected association between the TAL and an Attestation Identity Key (AIK) that can be generated by the TPM as part of the activation step. Optionally, Platform Configuration Registers (PCRs) of the TPM can be periodically changed during validation to protect against useage of one TPM for validations on multiple computing devices.
    • 可信激活许可证(TAL)可以由可信平台模块(TPM)特有的密钥组成,并且识别与具有该TPM的计算设备捆绑的软件应用的信息。 为了激活软件应用程序,可以将TAL中的识别信息与正在激活的软件应用程序的识别信息进行比较,并将TAL中唯一的TPM密钥与激活正在进行的计算设备上的TPM密钥进行比较 地点。 随后的验证可以基于TAL和认证身份密钥(AIK)之间的保护关联,该密钥可以由TPM作为激活步骤的一部分生成。 可选地,可以在验证期间周期性地改变TPM的平台配置寄存器(PCR),以防止使用一个TPM来在多个计算设备上进行验证。