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A General NTRU-Like Framework for Constructing Lattice-Based Public-Key Cryptosystems

  • Yanbin Pan
  • Yingpu Deng
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7115)

Abstract

As we know, one of the most difficult points of constructing a new public-key cryptosystem is to hide its trapdoor. By studying how NTRU hides its trapdoor, we present a general NTRU-like framework. The framework reduces constructing new lattice-based public-key cryptosystems to finding some certain kinds of easy closest vector problems (CVPs). We also show how to use the framework to reobtain NTRU. What’s more, a new lattice-based public-key cryptosystem is proposed as an application of the framework.

Keywords

NTRU Lattice Public-Key Cryptosystem 
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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • Yanbin Pan
    • 1
  • Yingpu Deng
    • 1
  1. 1.Key Laboratory of Mathematics MechanizationAcademy of Mathematics and Systems Science, Chinese Academy of SciencesChina

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