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    • 64. 发明授权
    • System and method for secure data disposal
    • 用于安全数据处理的系统和方法
    • US07853804B2
    • 2010-12-14
    • US11852418
    • 2007-09-10
    • Daryl Carvis CromerHoward Jeffrey LockerRandall Scott Springfield
    • Daryl Carvis CromerHoward Jeffrey LockerRandall Scott Springfield
    • G06F11/30G06F7/04H04L29/06
    • G06F21/575
    • A system, method, and program product is provided that initializes expected PCRs stored in a TPM by generating and storing a random number, seeding expected PCRs with the random number, inputting a set of startup code processes to a hash algorithm resulting in a set of hash values, updating the expected PCRs using the set of hash values, and saving the expected PCRs in a nonvolatile data area that is secured by the TPM. Upon reboot, the random number is retrieved from the nonvolatile data area, the PCRs are seeded with the retrieved random number, the startup code processes are input to the hash algorithm process resulting in another set of hash values, the PCRs are updated using the resulting set of hash values, and an encrypted data object is decrypted in response to the PCRs being the same as the expected PCRs.
    • 提供了一种系统,方法和程序产品,其通过生成和存储随机数来初始化存储在TPM中的预期PCR,将随机数的种子预期PCR输入到一个散列算法中,从而产生一组 散列值,使用该组散列值更新预期PCR,并将预期PCR保存在由TPM保护的非易失性数据区域中。 在重新启动时,从非易失性数据区域检索随机数,用检索的随机数种子PCR,将启动代码处理输入到散列算法处理,得到另一组散列值,使用所得到的更新PCR 响应于与预期PCR相同的PCR来解密加密数据对象。
    • 66. 发明申请
    • System and Method for Secure Data Disposal
    • 安全数据处理的系统和方法
    • US20090070598A1
    • 2009-03-12
    • US11852418
    • 2007-09-10
    • Daryl Carvis CromerHoward Jeffrey LockerRandall Scott Springfield
    • Daryl Carvis CromerHoward Jeffrey LockerRandall Scott Springfield
    • G06F12/14
    • G06F21/575
    • A system, method, and program product is provided that initializes expected PCRs stored in a TPM by generating and storing a random number, seeding expected PCRs with the random number, inputting a set of startup code processes to a hash algorithm resulting in a set of hash values, updating the expected PCRs using the set of hash values, and saving the expected PCRs in a nonvolatile data area that is secured by the TPM. Upon reboot, the random number is retrieved from the nonvolatile data area, the PCRs are seeded with the retrieved random number, the startup code processes are input to the hash algorithm process resulting in another set of hash values, the PCRs are updated using the resulting set of hash values, and an encrypted data object is decrypted in response to the PCRs being the same as the expected PCRs.
    • 提供了一种系统,方法和程序产品,其通过生成和存储随机数来初始化存储在TPM中的预期PCR,将随机数的种子预期PCR输入到一个散列算法中,从而产生一组 散列值,使用该组散列值更新预期PCR,并将预期PCR保存在由TPM保护的非易失性数据区域中。 在重新启动时,从非易失性数据区域检索随机数,用检索的随机数种子PCR,将启动代码处理输入到散列算法处理,得到另一组散列值,使用所得到的更新PCR 响应于与预期PCR相同的PCR来解密加密数据对象。
    • 69. 发明授权
    • System and method for concurrent WLAN and WPAN wireless modes from a single device
    • 来自单个设备的并发WLAN和WPAN无线模式的系统和方法
    • US07389352B2
    • 2008-06-17
    • US10747704
    • 2003-12-24
    • Daryl Carvis CromerPhilip John JakesHoward Jeffrey LockerMichael T. Vanover
    • Daryl Carvis CromerPhilip John JakesHoward Jeffrey LockerMichael T. Vanover
    • G06F13/00
    • H04W76/15H04W52/0219H04W84/12H04W84/18H04W88/06Y02D70/142Y02D70/144Y02D70/22
    • A system and method for concurrent WLAN and WPAN wireless modes from a single device is presented. A client uses a Wi-Fi device's infrastructure mode to communicate in a WLAN environment and, during idle WLAN times, uses the Wi-Fi device's adhoc mode to communicate in a WPAN environment. The Wi-Fi device uses a watchdog timer to switch between infrastructure mode and adhoc mode. When the client's Wi-Fi device switches to infrastructure mode, the client's Wi-Fi device uses an infrastructure register and an infrastructure device driver to transfer data over the WLAN environment. Likewise, when the client's Wi-Fi device switches to adhoc mode, the client's Wi-Fi device uses an adhoc register and an adhoc device driver to transfer data over the WLAN environment. The client uses a code shim to act as a virtual device driver at times when either the infrastructure device driver or the adhoc device driver is inactive.
    • 提出了一种用于从单个设备并发WLAN和WPAN无线模式的系统和方法。 客户端使用Wi-Fi设备的基础设施模式在WLAN环境中进行通信,并且在空闲WLAN时间期间,使用Wi-Fi设备的自组织模式在WPAN环境中进行通信。 Wi-Fi设备使用看门狗定时器在基础设施模式和自适应模式之间切换。 当客户端的Wi-Fi设备切换到基础架构模式时,客户端的Wi-Fi设备使用基础结构寄存器和基础架构设备驱动程序通过WLAN环境传输数据。 同样,当客户端的Wi-Fi设备切换到自适应模式时,客户端的Wi-Fi设备会使用adhoc寄存器和adhoc设备驱动程序通过WLAN环境传输数据。 在基础设施设备驱动程序或自组织设备驱动程序处于非活动状态时,客户端会使用代码填充作为虚拟设备驱动程序。