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논문 기본 정보

자료유형
학술저널
저자정보
Jinsu Kim (Naval Academy)
저널정보
한국정보기술학회 JOURNAL OF ADVANCED INFORMATION TECHNOLOGY AND CONVERGENCE Journal of Advanced Information Technology and Convergence Vol.9 No.2
발행연도
2019.12
수록면
115 - 123 (9page)
DOI
10.14801/jaitc.2019.9.2.115

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초록· 키워드

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White-box cryptography is an implementation technique in order to protect secret keys of cryptographic algorithms in the white-box attack model, which is the setting that an adversary has full access to the implementation of the cryptographic algorithm and full control over their execution. This concept was introduced in 2002 by Chow et al., and since then, there have been many proposals for secure implementations. While there have been many approaches to construct a secure white-box implementation for the ciphers with SPN structures, there was no notable result about the white-box implementation for the block ciphers with Feistel structure after white-box DES implementation was broken. In this paper, we propose a secure white-box implementation for a block cipher SEED with Feistel structure, which can prevent the previous known attacks for white-box implementations. Our proposal is simple and practical: it is performed by only 3,376 table lookups during each execution and the total size of tables is 762.5 KB.

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Abstract
1. Introduction
2. Preliminaries
3. White-box SEED implementation
4. Security Analysis
5. Conclusion
References

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