An ID-based multisignature scheme without reblocking and predetermined signing order

Authors:
Chin-Chen Chang;Iuon-Chang Lin;Kwok-Yan Lam
Affiliations:
Department of Computer Science and Information Engineering, National Chung Cheng University, Chaiyi, Taiwan;Department of Information Management, National Kaohsiung University of Applied Sciences, Kaohsiung, Taiwan;School of Software, Tsinghua University, Beijing, China
Venue:
Computer Standards & Interfaces
Year:
2005

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Abstract

A novel multisignature scheme based on identity information is presented. Our scheme adopts user's identity information, such as name, address, social security number and others, as users' public key instead of random integers. Identity-based schemes are attractive because multisignatures can be verified using the signers' identity information, thus can help simplify the public key certifcation process. Our scheme overcomes the moduli clashes problem and does not require the signing order to be predetermined.