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    • 2. 发明申请
    • METHOD AND DEVICE FOR MANAGING DIGITAL USAGE RIGHTS OF DOCUMENTS
    • 管理数据使用权的方法和设备
    • US20120255026A1
    • 2012-10-04
    • US13078951
    • 2011-04-02
    • Jim BacaSelim AissiAlan RossTobias KohlenbergDennis Morgan
    • Jim BacaSelim AissiAlan RossTobias KohlenbergDennis Morgan
    • G06F21/00
    • G06F21/10H04L63/08H04L63/10H04L2463/101
    • A method, device, and system for managing digital usage rights of documents includes a mobile computing device having a digital rights management (DRM) enforcement engine included therein. The mobile computing device may communicate with a server, such as an enterprise digital rights management (EDRM) server, to retrieve a secured document and an associated document usage rights policy. The document and usage rights policy are stored in a secured storage of the mobile computing device. The DRM enforcement engine of the mobile computing device provides access to the requested document while locally enforcing the associated document usage rights policy. In some embodiments, the mobile computing device may act as a proxy for other computing devices communicatively coupled to the mobile computing device and/or act as a local EDRM to such computing devices.
    • 用于管理文档的数字使用权限的方法,设备和系统包括其中包括数字版权管理(DRM)执行引擎的移动计算设备。 移动计算设备可以与诸如企业数字版权管理(EDRM)服务器的服务器进行通信,以检索安全文档和相关联的文档使用权限策略。 文档和使用权限策略被存储在移动计算设备的安全存储器中。 移动计算设备的DRM执行引擎提供对所请求的文档的访问,同时在本地执行相关联的文档使用权限策略。 在一些实施例中,移动计算设备可以充当通信地耦合到移动计算设备的其他计算设备的代理,和/或充当这样的计算设备的本地EDRM。
    • 4. 发明授权
    • Method and device for managing digital usage rights of documents
    • 用于管理文件的数字使用权的方法和设备
    • US08458802B2
    • 2013-06-04
    • US13078951
    • 2011-04-02
    • Jim BacaSelim AissiAlan RossTobias KohlenbergDennis Morgan
    • Jim BacaSelim AissiAlan RossTobias KohlenbergDennis Morgan
    • H04L29/06
    • G06F21/10H04L63/08H04L63/10H04L2463/101
    • A method, device, and system for managing digital usage rights of documents includes a mobile computing device having a digital rights management (DRM) enforcement engine included therein. The mobile computing device may communicate with a server, such as an enterprise digital rights management (EDRM) server, to retrieve a secured document and an associated document usage rights policy. The document and usage rights policy are stored in a secured storage of the mobile computing device. The DRM enforcement engine of the mobile computing device provides access to the requested document while locally enforcing the associated document usage rights policy. In some embodiments, the mobile computing device may act as a proxy for other computing devices communicatively coupled to the mobile computing device and/or act as a local EDRM to such computing devices.
    • 用于管理文档的数字使用权限的方法,设备和系统包括其中包括数字版权管理(DRM)执行引擎的移动计算设备。 移动计算设备可以与诸如企业数字版权管理(EDRM)服务器的服务器进行通信,以检索安全文档和相关联的文档使用权限策略。 文档和使用权限策略被存储在移动计算设备的安全存储器中。 移动计算设备的DRM执行引擎提供对所请求的文档的访问,同时在本地执行相关联的文档使用权限策略。 在一些实施例中,移动计算设备可以充当通信地耦合到移动计算设备的其他计算设备的代理,和/或充当这样的计算设备的本地EDRM。
    • 7. 发明授权
    • Device, system, and method for processor-based data protection
    • 用于基于处理器的数据保护的设备,系统和方法
    • US09569633B2
    • 2017-02-14
    • US13538142
    • 2012-06-29
    • Gyan PrakashJason M. FungCris RhodesSelim Aissi
    • Gyan PrakashJason M. FungCris RhodesSelim Aissi
    • G06F21/72G06F21/78G06F21/62
    • H04L63/0435G06F21/6218G06F21/72G06F21/78H04L63/061H04L2209/127
    • A device, system, and method for providing processor-based data protection on a mobile computing device includes accessing data stored in memory with a central processing unit of the mobile computing device and determining that the accessed data is encrypted data based on a data included in one or more control registers of the central processing unit. If the data is determined to be encrypted data, the central processing unit is to decrypt the encrypted data using a cryptographic key stored in the central processing unit. The encrypted data may also be stored on a drive of the mobile computing device. The encryption state of the data stored on the drive is maintained in a drive encryption table, which is used to update a memory page tables and the one or more control registers.
    • 一种用于在移动计算设备上提供基于处理器的数据保护的设备,系统和方法包括:利用所述移动计算设备的中央处理单元访问存储在存储器中的数据,并且基于所包含的数据确定所访问的数据是加密数据 中央处理单元的一个或多个控制寄存器。 如果数据被确定为加密数据,则中央处理单元使用存储在中央处理单元中的加密密钥来解密加密数据。 加密数据也可以存储在移动计算设备的驱动器上。 存储在驱动器上的数据的加密状态保存在用于更新存储器页表和一个或多个控制寄存器的驱动器加密表中。