Cryptology ePrint Archive: Report 2018/257

On Quantum Indifferentiability

Tore Vincent Carstens and Ehsan Ebrahimi and Gelo Noel Tabia and Dominique Unruh

Abstract: We study the indifferentiability of classical constructions in the quantum setting, such as the Sponge construction or Feistel networks. (But the approach easily generalizes to other constructions, too.) We give evidence that, while those constructions are known to be indifferentiable in the classical setting, they are not indifferentiable in the quantum setting. Our approach is based on an quantum-information-theoreoretical conjecture.

Category / Keywords: foundations /

Date: received 8 Mar 2018, last revised 8 Mar 2018

Contact author: Ehsan Ebrahimi Targhi at ut ee, tore vincent carstens@ut ee, unruh@ut ee , gelo tabia@ut ee

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Version: 20180309:161401 (All versions of this report)

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