A nonrepudiable threshold multi-proxy multi-signature scheme with shared verification

Authors:
Shiang-Feng Tzeng;Cheng-Ying Yang;Min-Shiang Hwang
Affiliations:
Department of Computer Science and Information Engineering, National Central University, No. 300, Jung-da Rd., Jung-li City, 320 Taoyuan, Taiwan, ROC;Graduate Institute of Networking and Communication Engineering, Chaoyang University of Technology, 168 Gifeng E. Rd., Wufeng, 413 Taichung, Taiwan, ROC;Department of Management Information System, National Chung Hsing University, 250 Kuo Kuang Road, 402 Taichung, Taiwan, ROC
Venue:
Future Generation Computer Systems - Special issue: Computational chemistry and molecular dynamics
Year:
2004

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Abstract

In this paper, we shall propose a threshold multi-proxy multi-signature scheme with shared verification. In the scheme allows the group of original signers to delegate the signing capability to the designated group of proxy signers. Furthermore, a subset of verifiers in the designated verifier group can authenticate the proxy signature. A threshold multi-proxy multisignature scheme with the nonrepudiation property is a scheme where the proxy group cannot deny signing for the message and the verifier group can identify the proxy group for a proxy signature.