Public-key cryptosystems from the worst-case shortest vector problem: extended abstract

@article{Peikert2009PublickeyCF,
  title={Public-key cryptosystems from the worst-case shortest vector problem: extended abstract},
  author={Chris Peikert},
  journal={Electron. Colloquium Comput. Complex.},
  year={2009},
  volume={15}
}
  • Chris Peikert
  • Published 2009
  • Mathematics, Computer Science
  • Electron. Colloquium Comput. Complex.
  • We construct public-key cryptosystems that are secure assuming theworst-case hardness of approximating the minimum distance on n-dimensional lattices to within small Poly(n) factors. Prior cryptosystems with worst-case connections were based either on the shortest vector problem for a special class of lattices (Ajtai and Dwork, STOC 1997; Regev, J. ACM 2004), or on the conjectured hardness of lattice problems for quantum algorithms (Regev, STOC 2005). Our main technical innovation is a… CONTINUE READING
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