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    • 22. 发明授权
    • Method and architecture for simplified communications with HID devices
    • 用于简化与HID设备通信的方法和架构
    • US06311228B1
    • 2001-10-30
    • US08907200
    • 1997-08-06
    • Kenneth D. Ray
    • Kenneth D. Ray
    • G06F15163
    • G06F3/038
    • A computer system in accordance with the invention includes a USB transport layer and an HID class driver implemented on top of the transport layer. A client program calls the class driver (either directly or indirectly) to obtain HID reports and report descriptors. Before returning the reports to calling programs, however, the HID class driver normalizes the reports by making them a uniform length and by adding report IDs to any reports that do not already have report IDs. A provided parser includes a descriptor parsing function and an item retrieval function. After obtaining a report descriptor, a client calls the descriptor parsing function with the report descriptor as an argument. The descriptor parsing function returns a data structure containing a parsed report description. The client stores the parsed report description and submits it, along with HID reports, to the item retrieval function. A particular usage specification is also provided as an argument to the item retrieval function. The item retrieval function searches the designated HID report, based on the parsed report description, and returns one or more data items from the report whose usage specifications match the usage specification submitted as an argument to the item retrieval function.
    • 根据本发明的计算机系统包括在传输层之上实现的USB传输层和HID类驱动器。 客户端程序调用类驱动程序(直接或间接)来获取HID报告和报告描述符。 然而,在将报告返回给调用程序之前,HID类驱动程序通过使其统一长度来归一化报告,并将报告ID添加到尚未具有报告ID的任何报告。 提供的解析器包括描述符解析函数和项目检索功能。 在获得报告描述符之后,客户端将使用报告描述符作为参数来调用描述符解析函数。 描述符解析函数返回包含解析的报告描述的数据结构。 客户端存储已解析的报告描述,并将其与HID报告一起提交到项目检索功能。 还提供了特定使用规范作为项目检索功能的参数。 项目检索功能根据解析的报告描述搜索指定的HID报告,并将其使用规范与作为参数提交的使用规范的报告中的一个或多个数据项返回到项目检索功能。
    • 24. 发明授权
    • Secure data protection during disasters
    • 在灾难期间保护数据的安全
    • US08135135B2
    • 2012-03-13
    • US11635897
    • 2006-12-08
    • Peter N. BiddleKenneth D. RayOctavian T. UrecheErik Holt
    • Peter N. BiddleKenneth D. RayOctavian T. UrecheErik Holt
    • H04L9/14
    • G06F11/1415G06F21/6218H04L9/0897
    • In situations, such as disasters, where the physical protection of data may be compromised, algorithmic protection of such data can be increased in anticipation of the disaster. An off-site mechanism can send a disaster preparation script to computing devices expected to be affected, resulting in the deletion of decryption keys from those computing devices. Once the disaster passes, the off-site mechanism, upon receiving confirmation of the physical integrity of the computing devices, can return one or more decryption keys to the computing devices, enabling access algorithmically protected data. The off-site mechanism can also optionally provide access information that can be used to obtain access to the algorithmically protected data via at least one returned decryption key.
    • 在诸如灾害等数据的物理保护可能受到损害的情况下,可以在预测灾难时增加对这些数据的算法保护。 异地机制可以向预期受影响的计算设备发送灾难准备脚本,导致从这些计算设备中删除解密密钥。 一旦灾难通过,异地机制在接收到计算设备的物理完整性的确认之后,可以向计算设备返回一个或多个解密密钥,从而实现对算法保护的数据的访问。 站外机制还可以选择性地提供访问信息,该访问信息可以用于经由至少一个返回的解密密钥来获得对算法保护数据的访问。