Multimodal private signatures

• Main Authors: NGUYEN, Khoa, GUO, Fuchun, SUSILO, Willy, YANG, Guomin
• Format: text
• Language: English
• Published: Institutional Knowledge at Singapore Management University 2022
• Subjects: new models; anonymous authentications; accountability; fine-grained information disclosure; modular constructions; zero-knowledge; lattices; pairings; Databases and Information Systems; Information Security
• Online Access: https://ink.library.smu.edu.sg/sis_research/7477; https://ink.library.smu.edu.sg/context/sis_research/article/8480/viewcontent/978_3_031_15979_4_27.pdf
• Institution: Singapore Management University

We introduce Multimodal Private Signature (MPS) - an anonymous signature system that offers a novel accountability feature: it allows a designated opening authority to learn some partial information op about the signer’s identity id, and nothing beyond. Such partial information can flexibly be defin...