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Secure Remote Storage through Authenticated Encryption

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4 Author(s)
Fangyong Hou ; Sch. of Comput., Nat. Univ. of Defense Technol., Changsha ; Dawu Gu ; Nong Xiao ; Yuhua Tang

Storage systems are more distributed and more subject to attacks. Cryptographic file system gives a promising way to mitigate the danger of exposing data by using encryption and integrity protection methods and guarantee end-to-end security to clients. This paper describes SRSAE, a generic approach to cryptographic file system, as well as its realization in a distributed data storage environment. SRSAE applies authenticated encryption to each data block transferred between clients and the remote block devices. It provides strong data confidentiality and integrity protections through trusted IV (initialization vector) and MAC (message authentication code) comparison. Performance is optimized by buffering IV and MAC locally. Integration into original file system is presented with specific implementation. Related model, approach and system realization are elaborated, as well as testing results. Theoretical analysis and experimental simulations show that it is a practical and available way to build secure network storage system.

Published in:

Networking, Architecture, and Storage, 2008. NAS '08. International Conference on

Date of Conference:

12-14 June 2008