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    • 21. 发明授权
    • Method and apparatus for providing centralized user authorization to allow secure sign-on to a computer system
    • 用于提供集中式用户授权以允许安全地登录到计算机系统的方法和装置
    • US07765407B2
    • 2010-07-27
    • US11612092
    • 2006-12-18
    • Howard LockerDaryl CromerRandall S. SpringfieldRod D. Waltermann
    • Howard LockerDaryl CromerRandall S. SpringfieldRod D. Waltermann
    • G06F21/00
    • G06F21/575
    • A method for providing centralized user authorization to allow secure sign-on to a computer system is disclosed. In response to a user attempting to boot up a computer system, a message is sent to a trusted server by a hypervisor within the computer to request a new hard drive password for the computer system. If the user is not authorized to access the computer system, a packet is sent by the trusted server to instruct the hypervisor to stop any boot process on the computer system. If the user is authorized to access the computer system, a packet containing a partial hard drive password is sent by the trusted server to the computer system. The packet is then encrypted with a system public key by the computer system to yield the partial hard drive password. The computer system subsequently combines the partial hard drive password with a user password to generate a new complete hard drive password to continue with the boot process.
    • 公开了一种用于提供集中式用户授权以允许对计算机系统进行安全登录的方法。 响应于尝试启动计算机系统的用户,由计算机内的虚拟机管理程序向可信服务器发送消息,以请求计算机系统的新的硬盘驱动器密码。 如果用户没有权限访问计算机系统,则可信服务器发送一个数据包,以指示管理程序停止计算机系统上的任何引导过程。 如果用户被授权访问计算机系统,则包含部分硬盘驱动器密码的分组由可信服务器发送到计算机系统。 然后,计算机系统使用系统公钥对数据包进行加密,以产生部分硬盘驱动器密码。 计算机系统随后将部分硬盘驱动器密码与用户密码相结合,以生成新的完整硬盘驱动器密码,以继续引导过程。