Multi-proxy signature and proxy multi-signature schemes from bilinear pairings

Authors:
Xiangxue Li;Kefei Chen;Shiqun Li
Affiliations:
Department of Computer Science and Engineering, Shanghai Jiaotong University, Shanghai, China;Department of Computer Science and Engineering, Shanghai Jiaotong University, Shanghai, China;Department of Computer Science and Engineering, Shanghai Jiaotong University, Shanghai, China
Venue:
PDCAT'04 Proceedings of the 5th international conference on Parallel and Distributed Computing: applications and Technologies
Year:
2004

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Abstract

In electronic world, proxy signature is a solution of delegation of signing capabilities. Proxy signatures can combine other special signatures to obtain some new types of proxy signatures. Due to the various applications of the bilinear pairings in cryptography, many pairing-based signature schemes have been proposed. In this paper, we propose a multi-proxy signature scheme and a proxy multi-signature scheme from bilinear pairings. We also show that both of them satisfy all the security properties required by proxy signatures.