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Secure Multiparty Computations Using a Dial Lock

(Extended Abstract)
  • Takaaki Mizuki
  • Yoshinori Kugimoto
  • Hideaki Sone
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4484)

Abstract

This paper first explores the power of the dial locks (also called the combination locks), which are physical handy devices, in designing cryptographic protocols. Specifically, we design protocols for secure multiparty computations using the dial locks, and give some conditions for a Boolean function to be or not to be securely computable by a dial lock, i.e., to be or not to be “dial-computable.” In particular, we exhibit simple necessary and sufficient conditions for a symmetric function to be dial-computable.

Keywords

Boolean Function Binary Vector Symmetric Function Secure Computation Cryptographic Protocol 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2007

Authors and Affiliations

  • Takaaki Mizuki
    • 1
  • Yoshinori Kugimoto
    • 2
  • Hideaki Sone
    • 1
  1. 1.Information Synergy Center, Tohoku University, Aramaki-Aza-Aoba 6-3, Aoba-ku, Sendai 980-8578Japan
  2. 2.Sone Lab., Graduate School of Information Sciences, Tohoku University, Aramaki-Aza-Aoba 6-3, Aoba-ku, Sendai 980-8578Japan

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