Volume 5 Number 1 (Feb. 2013)
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IJCEE 2013 Vol.5(1): 98-103 ISSN: 1793-8163 DOI: 10.7763/IJCEE.2013.V5.672

Threshold Proxy Re-signature Scheme with Privacy

Kuan-Yu Chen and Hsi-Chung Lin

Abstract—A proxy signature scheme allows a designated party to sign on behalf of the original signer. However, a dishonest proxy signer can manage to sign arbitrary messages and jeopardize the original signer’s benefit. Alternatively, a proxy re-signature scheme allows the original signer to delegate his signing right in a decentralized manner, to a delegatee and a semi-trusted transformer. In order to protect the privacy of the delegatee, a proxy re-signature scheme with privacy consideration was recently introduced. In this paper, we integrate the idea of threshold delegation into a proxy re-signature scheme with privacy consideration and the resulting scheme is useful in a new delegating scenario of signing right delegation.

Index Terms—Privacy, proxy re-signature, threshold delegation.

Kuan-Yu Chen and Hsi-Chung Lin are with the Department of Computer Science and Information Engineering, Aletheia University, No.32, ZhenliSt., Danshui Dist., New Taipei City 25103, Taiwan, R.O.C. (e-mail:fm990055@ mail.au.edu.tw; hclin@ mail.au.edu.tw).

Cite: Kuan-Yu Chen and Hsi-Chung Lin, "Threshold Proxy Re-signature Scheme with Privacy," International Journal of Computer and Electrical Engineering vol. 5, no. 1, pp. 98-103, 2013.

General Information

ISSN: 1793-8163 (Print)
Abbreviated Title: Int. J. Comput. Electr. Eng.
Frequency: Quarterly
Editor-in-Chief: Prof. Yucong Duan
Abstracting/ Indexing: EI (INSPEC, IET), Ulrich's Periodicals Directory, Google Scholar, EBSCO, ProQuest, and Electronic Journals Library
E-mail: ijcee@iap.org

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