Paper 2024/359
Key-Recovery Attack on a Public-Key Encryption Related to Planted Clique
Caicai Chen, Bocconi University
Chris Jones, Bocconi University
Abstract
Hudoba proposed a public key encryption (PKE) scheme and conjectured its security to be based on the Planted Clique problem. In this note, we show that this scheme is not secure. We do so by devising an efficient algorithm for the even neighbor independent set problem proposed by Hudoba. This leaves open the possibility of building PKE based on Planted Clique.
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