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    • 8. 发明申请
    • Corralling Virtual Machines With Encryption Keys
    • 使用加密密钥加密虚拟机
    • US20090282266A1
    • 2009-11-12
    • US12117059
    • 2008-05-08
    • Robert M. FriesDharshan Rangegowda
    • Robert M. FriesDharshan Rangegowda
    • H04L9/14
    • G06F21/602H04L9/0833H04L2209/60
    • A virtual machine comprises a unique identifier that is associated with one or more encryption keys. A management server encrypts the virtual machine's virtual hard disk(s) using the one or more associated encryption keys. The management server further provides the one or more encryption keys to a limited number of one or more servers in a system. Only those one or more servers that have been provided the one or more encryption keys can be used to load, access, and/or operate the virtual machine. The management server can thus differentiate which virtual machines can be operated on which servers by differentiating which servers can receive which encryption keys. In one implementation, a management server encrypts all virtual machines in the system, but encrypts virtual machines with sensitive data with a limited set of encryption keys, and further provides those encryption keys to a limited set of trusted servers.
    • 虚拟机包括与一个或多个加密密钥相关联的唯一标识符。 管理服务器使用一个或多个相关联的加密密钥对虚拟机的虚拟硬盘进行加密。 管理服务器还将一个或多个加密密钥提供给系统中有限数量的一个或多个服务器。 只有提供了一个或多个加密密钥的那些一个或多个服务器可以用于加载,访问和/或操作虚拟机。 因此,管理服务器可以通过区分哪些服务器可以接收哪些加密密钥来区分哪些虚拟机可以在哪些服务器上操作。 在一个实现中,管理服务器加密系统中的所有虚拟机,但是使用有限的一组加密密钥对具有敏感数据的虚拟机进行加密,并且还将这些加密密钥提供给有限的可信服务器集合。