Threshold signature scheme using self-certified public keys

Authors:
Tzong-Sun Wu;Chien-Lung Hsu
Affiliations:
Department of Informatics, Fo Guang University, I-Lan 262, Taiwan, ROC;Department of Information Management, National Taiwan University of Science and Technology, Taipei 106, Taiwan, ROC
Venue:
Journal of Systems and Software
Year:
2003

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Abstract

Elaborating on the merits inherent in the self-certified public key systems, the authors propose a (t,n) threshold signature scheme using self-certified public keys. In the proposed scheme, the authentication of the self-certified individual/group public keys can be confirmed simultaneously in the procedure of verifying the individual/group signatures. As compared with threshold signature schemes designed based on the certificate-based public key systems, the proposed scheme is more efficient for generating and verifying group signatures in terms of computational efforts and communication costs.