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    • 1. 发明授权
    • Method and apparatus for protecting user data during power failures in a data processing system
    • 用于在数据处理系统中的电源故障期间保护用户数据的方法和装置
    • US06535996B1
    • 2003-03-18
    • US09414332
    • 1999-10-07
    • James Arthur BrewerSanjay Gupta
    • James Arthur BrewerSanjay Gupta
    • G06F1100
    • G06F11/1441G06F11/1471
    • A method and system for protecting user data during power failures on a network-computer-class data processing system is provided. The network-computer-class data processing system is integrated with a power supply having an early power fail warning signal to ensure that unsaved changes to user data files are saved before a complete power failure strikes the data processing system. As a user employs one or more applications to create or modify data files, a table of file changes is created for each user data file that is opened by the user. This table is kept in non-volatile media, preferably on the user's network computer but possibly on a server located on a network connected to the network computer if the network computer lacks non-volatile memory. The entire contents of the table are saved to non-volatile storage in the time interval between the early power fail warning signal going active and the power completely failing. The table of user data changes can then be applied to recreate the user's data after power is restored.
    • 提供了一种用于在网络计算机级数据处理系统上的电源故障期间保护用户数据的方法和系统。 网络计算机级数据处理系统与具有早期电源故障警告信号的电源集成,以确保在完全断电触发数据处理系统之前保存对用户数据文件的未保存更改。 当用户使用一个或多个应用来创建或修改数据文件时,会为用户打开的每个用户数据文件创建一个文件更改表。 如果网络计算机缺少非易失性存储器,则该表保存在非易失性介质中,优选地在用户的网络计算机上,但可能位于连接到网络计算机的网络上的服务器上。 在早期电源故障报警信号有效和电源完全失效之间的时间间隔内,表格的全部内容被保存到非易失性存储器中。 然后可以应用用户数据更改表,以在恢复供电后重新创建用户数据。
    • 5. 发明授权
    • Apparatus and a method for secure communications for network computers
    • 用于网络计算机的安全通信的装置和方法
    • US06922785B1
    • 2005-07-26
    • US09569499
    • 2000-05-11
    • James Arthur BrewerSanjay Gupta
    • James Arthur BrewerSanjay Gupta
    • H04L9/00H04L9/06H04L9/30H04L29/06
    • H04L9/0625H04L9/302H04L63/0428H04L63/0485H04L2209/12
    • Encryption hardware built on a network interface card is provided by the present invention for encrypting data sent from a computer to a network. A block of data is retrieved from the network interface card, encrypted using encryption hardware, and inserted into a data packet. A flag is set in the packet header to indicate the encryption type. If the data packet is received by a system equipped with similar network interface card, decryption algorithm indicated by the flag is applied to the data using decryption hardware on the network interface card. The decrypted data is sent to re-assembly logic to rebuild the original message for the transmitted packets. The original message is sent to a computer memory via a system bus for further processing. If the data packet is received by a system not equipped with the network interface card, suitable software is provided to decrypt the data packet.
    • 本发明提供了构建在网络接口卡上的加密硬件,用于加密从计算机发送到网络的数据。 从网络接口卡检索数据块,使用加密硬件进行加密,并插入到数据包中。 在报头中设置一个标志来指示加密类型。 如果数据包由配备有类似网络接口卡的系统接收,则使用网络接口卡上的解密硬件将该标志指示的解密算法应用于数据。 解密的数据被发送到重组逻辑以重建用于所发送的分组的原始消息。 原始消息通过系统总线发送到计算机存储器进行进一步处理。 如果数据包由未配备网络接口卡的系统接收,则提供合适的软件来解密数据包。