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    • 2. 发明授权
    • Runtime platform firmware verification
    • 运行时平台固件验证
    • US08590040B2
    • 2013-11-19
    • US12976523
    • 2010-12-22
    • Sergiu D. GhetieShahrokh ShahidzadehMichael Neve de MevergniesAdil KarrarVincent J. Zimmer
    • Sergiu D. GhetieShahrokh ShahidzadehMichael Neve de MevergniesAdil KarrarVincent J. Zimmer
    • G06F21/00
    • G06F21/572
    • Embodiments of the invention are directed towards logic and/or modules stored in processor secure storage to determine whether a first platform firmware image (e.g., basic input/output system (BIOS), device read-only memory (ROM), manageability engine firmware) loaded onto a processor cache is valid. The processor executes the first platform firmware image if it is determined to be valid. If the first platform image is determined to be invalid, a second platform firmware image is located. If this platform firmware image is determined to be valid, the processor will execute said second platform image.In some embodiments of the invention, the determination of whether the first platform firmware image is valid is based, at least in part, on verification of a digital signature associated with the first platform firmware image. The digital signature may be created, for example, from a private key, wherein the digital signature is verified via a public key.
    • 本发明的实施例针对存储在处理器安全存储器中的逻辑和/或模块来确定第一平台固件映像(例如,基本输入/输出系统(BIOS),设备只读存储器(ROM),可管理性引擎固件) 加载到处理器缓存中是有效的。 如果判定为有效,则处理器执行第一平台固件映像。 如果第一平台图像被确定为无效,则定位第二平台固件图像。 如果该平台固件图像被确定为有效,则处理器将执行所述第二平台图像。 在本发明的一些实施例中,确定第一平台固件图像是否有效是至少部分地基于与第一平台固件图像相关联的数字签名的验证。 可以例如从私钥来创建数字签名,其中通过公钥验证数字签名。
    • 3. 发明申请
    • RUNTIME PLATFORM FIRMWARE VERIFICATION
    • 运行平台固件验证
    • US20120167205A1
    • 2012-06-28
    • US12976523
    • 2010-12-22
    • Sergiu D. GhetieShahrokh ShahidzadehMichael Neve de MevergniesAdil KarrarVincent J. Zimmer
    • Sergiu D. GhetieShahrokh ShahidzadehMichael Neve de MevergniesAdil KarrarVincent J. Zimmer
    • G06F21/00
    • G06F21/572
    • Embodiments of the invention are directed towards logic and/or modules stored in processor secure storage to determine whether a first platform firmware image (e.g., basic input/output system (BIOS), device read-only memory (ROM), manageability engine firmware) loaded onto a processor cache is valid. The processor executes the first platform firmware image if it is determined to be valid. If the first platform image is determined to be invalid, a second platform firmware image is located. If this platform firmware image is determined to be valid, the processor will execute said second platform image.In some embodiments of the invention, the determination of whether the first platform firmware image is valid is based, at least in part, on verification of a digital signature associated with the first platform firmware image. The digital signature may be created, for example, from a private key, wherein the digital signature is verified via a public key.
    • 本发明的实施例针对存储在处理器安全存储器中的逻辑和/或模块来确定第一平台固件映像(例如,基本输入/输出系统(BIOS),设备只读存储器(ROM),可管理性引擎固件) 加载到处理器缓存中是有效的。 如果判定为有效,则处理器执行第一平台固件映像。 如果第一平台图像被确定为无效,则定位第二平台固件图像。 如果该平台固件图像被确定为有效,则处理器将执行所述第二平台图像。 在本发明的一些实施例中,确定第一平台固件图像是否有效是至少部分地基于与第一平台固件图像相关联的数字签名的验证。 可以例如从私钥来创建数字签名,其中通过公钥验证数字签名。
    • 8. 发明申请
    • TECHNOLOGIES FOR FAST LOW-POWER STARTUP OF A COMPUTING DEVICE
    • 用于计算设备的快速低功率启动的技术
    • US20160259649A1
    • 2016-09-08
    • US14636970
    • 2015-03-03
    • Rajesh PoornachandranVincent J. ZimmerKarunakara KotaryVenkatesh RamamurthyPralhad M. Madhavi
    • Rajesh PoornachandranVincent J. ZimmerKarunakara KotaryVenkatesh RamamurthyPralhad M. Madhavi
    • G06F9/44G06F1/32
    • G06F9/4401G06F1/3203G06F1/3212G06F1/3287
    • Technologies for fast low-power startup include a computing device with a processor having a power management integrated circuit. The computing device initializes platform components into a low-power state and determines, in a pre-boot firmware environment, the battery state of the computing device. The computing device determines a minimum-power startup (MPS) configuration that identifies platform components to be energized and determines whether the battery state is sufficient for the MPS configuration. If sufficient, the computing device energizes the platform components of the MPS configuration and boots into an MPS boot mode. In the MPS boot mode, the computing device may execute one or more user-configured application(s). If the battery state is sufficient for normal operation, the computing device may boot into a normal mode. In the normal mode, the user may configure the MPS configuration by selecting features for the future MPS boot mode. Other embodiments are described and claimed.
    • 用于快速低功率启动的技术包括具有电源管理集成电路的处理器的计算设备。 计算设备将平台组件初始化为低功率状态,并且在预引导固件环境中确定计算设备的电池状态。 计算设备确定识别待激励的平台组件的最小功率启动(MPS)配置,并确定电池状态是否足够用于MPS配置。 如果足够,计算设备激活MPS配置的平台组件并启动到MPS引导模式。 在MPS引导模式中,计算设备可以执行一个或多个用户配置的应用。 如果电池状态对于正常操作是足够的,则计算设备可以启动进入正常模式。 在正常模式下,用户可以通过选择未来MPS引导模式的功能来配置MPS配置。 描述和要求保护其他实施例。