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Achieving strong cryptographic correlation between higher level semantic units and lower level components in a secure data storage system
Achieving strong cryptographic correlation between higher level semantic units and lower level components in a secure data storage system
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机译:在安全的数据存储系统中,在较高级别的语义单元和较低级别的组件之间实现强大的密码相关性
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摘要
A data storage architecture for networked access by clients includes a file server capable of communication with the clients via the network, physical storage organized as a plurality of logical volumes, and an encryption device in communication with both the file server and the physical storage. The encryption device is operable in response to signaling from the file server, including an indication of a range of blocks of data, to cause encryption of the range of blocks with an encryption key that is unique within the physical storage. The encryption device includes nested tables mapping block ranges to encryption keys. Consequently, undesirable key sharing across files, file systems, and other units can be avoided down to the block level.
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