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http://dx.doi.org/10.13089/JKIISC.2016.26.6.1431

Investigation of Masking Based Side Channel Countermeasures for LEA  

Kim, ChangKyun (The Attached Institute of ETRI)
Park, JaeHoon (The Attached Institute of ETRI)
Han, Daewan (The Attached Institute of ETRI)
Lee, Dong Hoon (The Attached Institute of ETRI)
Publication Information
Journal of the Korea Institute of Information Security & Cryptology / v.26, no.6, 2016 , pp. 1431-1441 More about this Journal
Abstract
In case of ARX based block cipher algorithms with masking countermeasures, there is a need for a method to convert between Boolean masking and arithmetic masking. However, to apply masking countermeasures to ARX based algorithms is less efficient compared to masked AES with single masking method because converting between Boolean and arithmetic masking has high computation time. This paper shows performance results on 32-bit platform implementations of LEA with various masking conversion countermeasures against first order side channel attacks. In the implementation point of view, this paper presents computation time comparison between actual measurement value and theoretical one. This paper also confirms that the masked implementations of LEA are secure against first order side channel attacks by using a T-test.
Keywords
Masking countermeasure; Side channel attack; LEA;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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