Welcome to the resource topic for 2012/152
Title:
On security of a Certificateless Aggregate Signature Scheme
Authors: Limin Shen, Yinxia Sun
Abstract:Aggregate signatures are useful in special areas where the signatures on many different messages generated by many different users need to be compressed. Recently, Xiong et al. proposed a certificateless aggregate signature scheme provably secure in the random oracle model under the Computational Diffie-Hellman assumption. Unfortunately, by giving concrete attacks, we indicate that Xiong et al. aggregate signature scheme does not meet the basic requirement of unforgeability.
ePrint: https://eprint.iacr.org/2012/152
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