Rectangular Attack on VOX

ePrint Report: Rectangular Attack on VOX

Gilles Macario-Rat, Jacques Patarin, Benoit Cogliati, Jean-Charles Faugère, Pierre-Alain Fouque, Louis Gouin, Robin Larrieu, Brice Minaud

VOX has been submitted to the NIST Round 1 Additional Signature of the Post-Quantum Signature Competition in June 2023. VOX is a strengthened variant of UOV which uses the Quotient-Ring (QR) setting to reduce the public-key size.
At the end of August 2023, Furue and Ikamatsu posted on the NIST mailing-list a post, indicating that the parameters of …

attack competition eprint report june june 2023 nist post-quantum quantum rat report ring robin signature