Paper 2022/403 Horst Meets Fluid-SPN: Griffin for Zero-Knowledge Applications , Radboud University, Nijmegen (The Netherlands) , State Key Laboratory of Cryptology, P.O. Box 5159, Beijing 100878 (China) , Graz University of Technology (Austria) , Graz University of Technology (Austria) , Graz University of Technology (Austria) / Know-Center GmbH (Austria) , SnT, University of Luxembourg, Esch-sur-Alzette (Luxembourg) Abstract Zero-knowledge (ZK) applications form a large group of use cases in...