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2007
IEEE

Cryptographic Security for a High-Performance Distributed File System

12 years 2 months ago
Cryptographic Security for a High-Performance Distributed File System
Storage systems are increasingly subject to attacks. Cryptographic file systems mitigate the danger of exposing data by using encryption and integrity protection methods and guarantee end-to-end security for their clients. This paper describes a generic design for cryptographic file systems and its realization in a distributed storage-area network (SAN) file system. Key management is integrated with the meta-data service of the SAN file system. The implementation supports file encryption and integrity protection through hash trees. Both techniques have been implemented in the client file system driver. Benchmarks demonstrate that the overhead is noticeable for some artificially constructed use cases, but that it is very small for typical file system applications.
Roman Pletka, Christian Cachin
Added 04 Jun 2010
Updated 04 Jun 2010
Type Conference
Year 2007
Where MSS
Authors Roman Pletka, Christian Cachin
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