2005 | OriginalPaper | Buchkapitel
Certificateless Threshold Signature Schemes
verfasst von : Licheng Wang, Zhenfu Cao, Xiangxue Li, Haifeng Qian
Erschienen in: Computational Intelligence and Security
Verlag: Springer Berlin Heidelberg
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We analyze the relationship and subtle difference between the notion of certificateless public key cryptography (CL-PKC) and identity-based schemes without a trusted private key generator (PKG), then propose a certificateless threshold signature scheme based on bilinear pairings. The proposed scheme is robust and existentially unforgeable against adaptive chosen message attacks under CDH assumption in the random oracle model.