Institute of Information Science, Academia Sinica



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Quantum indifferentiability

  • LecturerDr. Gelo Noel Tabia (Institute of Computer Science, University of Tartu)
    Host: Kai-Min Chung
  • Time2018-08-22 (Wed.) 10:00 – 12:00
  • LocationAuditorium 106 at IIS new Building

Indifferentiability is a security notion that allows us compare a real construction to an idealized primitive. It generalizes the notion of indistinguishability to cases where a construction uses a public function that is accessible to all parties. In this talk, I will examine the indifferentiability of classical constructions such as the sponge function and the Feistel network in the the presence of a quantum adversary. I will show that under a certain information-theoretic assumption, perfect quantum indifferentiability is impossible in a large number of cases.