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IEICE TRANSACTIONS on Fundamentals

Correlation Power Analysis and Countermeasure on the Stream Cipher Enocoro-128v2

Shugo MIKAMI, Hirotaka YOSHIDA, Dai WATANABE, Kazuo SAKIYAMA

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Summary :

Enocoro-128v2 is a lightweight stream cipher submitted to Cryptography Research and Evaluation Committees (CRYPTREC). In this paper, we first describe a side channel attack on Enocoro-128v2. We show that all secret key bytes of Enocoro-128v2 can be recovered by correlation power analysis, and it is shown by an experiment that around 6000 traces are needed to recover the secret key on SASEBO-GII (Side-channel Attack Standard Evaluation Board). We second propose a countermeasure with threshold implementation technique, which allows Enocoro-128v2 to be resistant against correlation power analysis as long as less than 105 traces are used.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E96-A No.3 pp.697-704
Publication Date
2013/03/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E96.A.697
Type of Manuscript
PAPER
Category
Cryptography and Information Security

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