Novel Efficient Certificateless Aggregate Signatures

Authors:
Lei Zhang;Bo Qin;Qianhong Wu;Futai Zhang
Affiliations:
UNESCO Chair in Data Privacy Department of Computer Engineering and Mathematics, Universitat Rovira i Virgili, Tarragona, Catalonia E-43007;UNESCO Chair in Data Privacy Department of Computer Engineering and Mathematics, Universitat Rovira i Virgili, Tarragona, Catalonia E-43007 and Dept. of Maths, School of Science, Xi'an University ...;UNESCO Chair in Data Privacy Department of Computer Engineering and Mathematics, Universitat Rovira i Virgili, Tarragona, Catalonia E-43007 and Key Lab. of Aerospace Information Security and Trust ...;College of Mathematics and Computer Science, Nanjing Normal University, Nanjing, China
Venue:
AAECC-18 '09 Proceedings of the 18th International Symposium on Applied Algebra, Algebraic Algorithms and Error-Correcting Codes
Year:
2009

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Abstract

We propose a new efficient certificateless aggregate signature scheme which has the advantages of both aggregate signatures and certificateless cryptography. The scheme is proven existentially unforgeable against adaptive chosen-message attacks under the standard computational Diffie-Hellman assumption. Our scheme is also efficient in both communication and computation. The proposal is practical for message authentication in many-to-one communications.