Secure Regenerating Codes Using Linear Regenerating Codes and the All-or-Nothing Transform

Hidenori KUWAKADO  Masazumi KURIHARA  

IEICE TRANSACTIONS on Information and Systems   Vol.E100-D    No.3    pp.483-495
Publication Date: 2017/03/01
Publicized: 2016/12/06
Online ISSN: 1745-1361
DOI: 10.1587/transinf.2016EDP7220
Type of Manuscript: PAPER
Category: Information Network
regenerating code,  secure regenerating code,  all-or-nothing transform,  indistinguishability,  

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This paper proposes secure regenerating codes that are composed of non-secure regenerating codes and a new all-or-nothing transform. Unlike the previous analysis of secure regenerating codes, the security of the proposed codes is analyzed in the sense of the indistinguishability. The advantage of the proposed codes is that the overhead caused by the security against eavesdropping is much less than that of previous secure regenerating codes. The security of the proposed codes against eavesdropping mainly depends on the new all-or-nothing transform.

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