Guess what?! On the impossibility of unconditionally secure public-key encryption
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Keywords

public-key cryptography
perfect secrecy
information theory
impossibility
cryptanalysis

How to Cite

Panny, L. (2020). Guess what?! On the impossibility of unconditionally secure public-key encryption. Mathematical Cryptology, (1), 1-7. Retrieved from https://journals.flvc.org/mathcryptology/article/view/122340

Abstract

We (once again) refute recurring claims about a public-key encryption scheme that allegedly provides unconditional security. This is approached from two angles: We give an information-theoretic proof of impossibility, as well as a concrete attack breaking the proposed scheme in essentially no time.

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