Designated verifier ring signature and ring signcryption

Authors:
Xiaotong Fu;Wen Liu;Ruijun Shi
Affiliations:
State Key Laboratory of Integrated Service Networks, Xidian University, 2 South Taibai Road, Xi'an, Shaanxi 710071, China;State Key Laboratory of Integrated Service Networks, Xidian University, 2 South Taibai Road, Xi'an, Shaanxi 710071, China;State Key Laboratory of Integrated Service Networks, Xidian University, 2 South Taibai Road, Xi'an, Shaanxi 710071, China
Venue:
International Journal of Intelligent Information and Database Systems
Year:
2013

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Abstract

Ring signatures can achieve the anonymity of the users who want to sign documents not only in the authenticated way but also in the confidential way. Based on the k-CAA2 assumption, a security designated verifier ring signature scheme is proposed from bilinear pairing. Furthermore, a designated verifier ring signcryption scheme is also proposed from the new designated verifier ring signature scheme.