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Information-Theoretically Secure Regenerating Codes for Distributed Storage

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3 Author(s)
Shah, N.B. ; Dept. of ECE, Indian Inst. of Sci., Bangalore, India ; Rashmi, K.V. ; Kumar, P.V.

Regenerating codes are a class of codes for distributed storage networks that provide reliability and availability of data, and also perform efficient node repair. Another important aspect of a distributed storage network is its security. In this paper, we consider a threat model where an eavesdropper may gain access to the data stored in a subset of the storage nodes, and possibly also, to the data downloaded during repair of some nodes. We provide explicit constructions of regenerating codes that achieve information-theoretic secrecy capacity in this setting.

Published in:
Global Telecommunications Conference (GLOBECOM 2011), 2011 IEEE

Date of Conference: 5-9 Dec. 2011

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