The paper discusses the concept of a group signature with self-proof capacity in cryptography. Group signature is a central cryptographic system that provides anonymity and traceability. Any member of the group can generate a signature, but only the group manager, holding the private key, can identify the specific signer. This new extension allows the real signer to prove that the signature is indeed signed by him/her and other members to prove that it is not signed by them. This system can be used in various scenarios including claiming rewards or proving innocence in criminal investigations. The paper also mentions various extensions to group signatures and its wide range of applications.
Publication date: 28 Sep 2023
Project Page: Not provided
Paper: https://arxiv.org/pdf/2309.14635
