Abstract:Heterogeneous signcryption can be used to guarantee the confidentiality and the unforgeability in the different cryptographies. By analyzing some existing heterogeneous signcryption schemes, it is found that they only deal with a single message and can not achieve batch verification. Aggregation signcryption can not only take n distinct signcryption on n messages signed by n distinct users, but also provide a batch verification and reduce the cost of verification. In this paper, a Traditional Public Key Infrastructure (TPKI)-CertificateLess Public Key Cryptography (CLPKC) heterogeneous aggregation signcryption scheme is proposed, which can ensure the confidentiality and authentication between the TPKI and CLPKC. The scheme does not require bilinear pairings when it is aggregated. It is proved that the scheme has indistinguishability against adaptive chosen ciphertext attack and existential unforgeability against adaptive chosen messages attack under gap bilinear Diffie-Hellman and computational Diffie-Hellman problem and Discrete logarithm.
张玉磊, 王欢, 马彦丽, 刘文静, 王彩芬. 可证安全的传统公钥密码-无证书公钥密码异构聚合签密方案[J]. 电子与信息学报, 2018, 40(5): 1079-1086.
ZHANG Yulei, WANG Huan, MA Yanli, LIU Wenjing, WANG Caifen. Provable and Secure Traditional Public Key Infrastructure-certificateless Public Key Cryptography Heterogeneous Aggregate Signcryption Scheme. JEIT, 2018, 40(5): 1079-1086.
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