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Improvement of Threshold Signature Scheme Using Self-Certified Public Key

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3 Author(s)
Jiguo Li ; Coll. of Comput. & Inf. Eng., Hohai Univ. ; Yichen Zhang ; Zhijian Wang

Recently, Wu and Hsu proposed a threshold signature scheme using the self-certified public key. In their scheme, the authentication of the self-certified individual/group public keys can be confirmed simultaneously in the procedure of verifying the individual/group signatures and their scheme is more efficient than threshold signature scheme designed based on the certificate-based public key systems. In this paper, we show design defect of threshold signature scheme using self-certified public key proposed by Wu and Hsu. Further, we propose an improved threshold signature scheme using self-certified public key, which overcomes disadvantage of Wu and Hsu's scheme and retains all merits of the original scheme

Published in:

Innovative Computing, Information and Control, 2006. ICICIC '06. First International Conference on  (Volume:1 )

Date of Conference:

Aug. 30 2006-Sept. 1 2006