This repository contains the source code of attacks on reduced-round versions of Jarvis and Friday [1]. The full description of the attacks is available in [2].
[1] Tomer Ashur and Siemen Dhooghe, MARVELlous: a STARK-Friendly Family of Cryptographic Primitives, Cryptology ePrint Archive, 2018
[2] Martin R. Albrecht and Carlos Cid and Lorenzo Grassi and Dmitry Khovratovich and Reinhard Lüftenegger and Christian Rechberger and Markus Schofnegger, Algebraic Cryptanalysis of STARK-Friendly Designs: Application to MARVELlous and MiMC, Cryptology ePrint Archive, 2019 (Accepted at Asiacrypt 2019)