[Resource Topic] 2014/384: Yao's millionaires' problem and decoy-based public key encryption by classical physics

Welcome to the resource topic for 2014/384

Title:
Yao’s millionaires’ problem and decoy-based public key encryption by classical physics

Authors: Dima Grigoriev, Vladimir Shpilrain

Abstract:

We use various laws of classical physics to offer several solutions of Yao’s millionaires’ problem without using any one-way functions. We also describe several informationally secure public key encryption protocols, i.e., protocols secure against passive computationally unbounded adversary. This introduces a new paradigm of decoy-based cryptography, as opposed to ``traditional" complexity-based cryptography. In particular, our protocols do not employ any one-way functions.

ePrint: https://eprint.iacr.org/2014/384

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