Welcome to the resource topic for 2025/1417
Title:
A Note on the Post-Quantum Security of the Inverse Discrete Logarithm Problem
Authors: Joshua Limbrey, Andrew Mendelsohn
Abstract:In Submission 2025/1391 to the IACR Cryptology ePrint Archive, the Inverse Discrete Logarithm Problem (IDLP) is introduced and used to build a key exchange protocol and a KEM. The author claims both classical and post-quantum security for IDLP and therefore for the proposed protocols. It is the purpose of this note to give an efficient quantum algorithm for IDLP, based on the algorithm of Shor. We give an implementation of our algorithm, replacing the use of Shor’s algorithm with an oracle.
ePrint: https://eprint.iacr.org/2025/1417
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