SPA countermeasure based on unsigned left-to-right recodings

Sung Kyoung Kim, Dong Guk Han, Ho Won Kim, Kyo I L Chung, Jong In Lim

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Vuillaume-Okeya presented unsigned recoding methods for protecting modular exponentiations against side channel attacks, which are suitable for tamper-resistant implementations of RSA or DSA which does not benefit from cheap inversions. This paper describes new recoding methods for producing SPA-resistant unsigned representations which are scanned from left to right (i.e., from the most significant digit to the least significant digit) contrary to the previous ones. Our contributions are as follows; (1) SPAresistant unsigned left-to-right recoding with general width-w, (2) special case when w = 1, i.e., unsigned binary representation using the digit set {1,2}. These methods reduce the memory required to perform the modular exponentiation gk.

Original languageEnglish
Title of host publicationLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Pages286-295
Number of pages10
Volume4610 LNCS
Publication statusPublished - 2007 Dec 1
Event4th International Conference on Autonomic and Trusted Computing: Bringing Safe, Self-x and Organic Computing Systems into Reality, ATC 2007 - Hong Kong, China
Duration: 2007 Jul 11 → 2011 Jul 13

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume4610 LNCS
ISSN (Print)03029743
ISSN (Electronic)16113349

Other

Other4th International Conference on Autonomic and Trusted Computing: Bringing Safe, Self-x and Organic Computing Systems into Reality, ATC 2007
CountryChina
CityHong Kong
Period07/7/11 → 11/7/13

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ASJC Scopus subject areas

  • Computer Science(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Theoretical Computer Science

Cite this

Kim, S. K., Han, D. G., Kim, H. W., Chung, K. I. L., & Lim, J. I. (2007). SPA countermeasure based on unsigned left-to-right recodings. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 4610 LNCS, pp. 286-295). (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); Vol. 4610 LNCS).

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