Abuse-Resistant Evaluation of AI-as-a-Service via Function-Hiding Homomorphic Signatures. - Nuttapong Attrapadung; Goichiro Hanaoaka; Ryo Hiromasa; Yoshihiro Koseki; Takahiro Matsuda 002; Yutaro Nishida; Yusuke Sakai 001; Jacob C. N. Schuldt; Satoshi Yasuda (ESORICS (1), 2025)