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A White-box Cryptographic Implementation for Protecting against Power Analysis
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- Authors
- Seungkwang Lee
- Issue Date
- 2018-01
- Citation
- IEICE Transactions on Information and Systems, v.E101.D, no.1, pp.249-252
- ISSN
- 1745-1361
- Publisher
- 일본, 전자정보통신학회 (IEICE)
- Language
- English
- Type
- Journal Article
- Abstract
- Encoded lookup tables used in white-box cryptography are known to be vulnerable to power analysis due to the imbalanced encoding. This means that the countermeasures against white-box attacks can not even defend against gray-box attacks. For this reason, those who want to defend against power analysis through the white-box cryptographic implementation need to find other ways. In this paper, we propose a method to defend power analysis without resolving the problematic encoding problem. Compared with the existing white-box cryptography techniques, the proposed method has twice the size of the lookup table and nearly the same amount of computation.
- KSP Keywords
- Cryptography techniques, Look-Up-Table(LUT), Power Analysis, Whitebox Cryptography(WBC)