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    • 7. 发明申请
    • Fast Data Protection Using Dual File Systems
    • 使用双文件系统的快速数据保护
    • US20160371500A1
    • 2016-12-22
    • US14401062
    • 2014-06-27
    • Jerry HUANGZhen LIUMICROSOFT TECHNOLOGY LICENSING
    • Jerry HuangZhen Liu
    • G06F21/62G06F21/60
    • G06F21/6218G06F21/31G06F21/50G06F21/604G06F21/6245G06F21/74G06F21/78G06F2221/2107G06F2221/2143
    • A computing device is described that utilizes two file systems to enable sensitive data stored thereon to be deleted automatically, quickly, and discretely when the computing device is in a risky environment or context or when data protection has otherwise been activated. A first file system on the computing device manages a first memory area that stores non-sensitive data while a second file system on the computing device manages a second memory area that stores sensitive data. Only the first file system operates to receive data requests from other processes executing on the computing device. In a first operating mode, the first file system interacts with the second file system to ensure that both non-sensitive and sensitive data is returned in response to data requests. In a second operating mode, communication between the two file systems is disabled and the second file system deletes the sensitive data.
    • 描述了一种计算设备,其利用两个文件系统来使得存储在其上的敏感数据能够在计算设备处于危险的环境或上下文中或者当数据保护被另外被激活时被自动,快速和离散地删除。 计算设备上的第一文件系统管理存储非敏感数据的第一存储器区域,而计算设备上的第二文件系统管理存储敏感数据的第二存储区域。 只有第一个文件系统操作以从计算设备上执行的其他进程接收数据请求。 在第一操作模式中,第一文件系统与第二文件系统交互以确保响应于数据请求返回非敏感和敏感数据。 在第二种操作模式下,两个文件系统之间的通信被禁用,第二个文件系统删除敏感数据。