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The certificateless aggregate signature (CLAS) scheme is a very important data aggregation technique that compresses a large number of signatures from different users into a short signature. CLAS can reduce the total length of a signature and the computational overhead of signature verification and is therefore highly suitable for resource-constrained network environments. Many CLAS schemes have been proposed in recent years, but the construction of a secure and efficient CLAS scheme remainsdoi:10.1155/2018/1908632 fatcat:uycgfslwdzclrnmf5rqx5sg2m4