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Xinyin Xiang, Hui Li, Mingyu Wang and Zhenhua Liu Hidden attribute-based signcryption scheme for lattice Security and Communication Networks 7

Article first published online: 30 SEP 2013 | DOI: 10.1002/sec.875

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In this paper, we show that it is possible to construct hidden attribute-based signcryption (ABSC) schemes based on lattice problems by presenting an ABSC scheme. In the random oracle model, the proposed scheme is proved to be indistinguishable against adaptively chosen ciphertext attacks under the learning with errors assumption and existentially unforgeable against adaptively chosen message attacks under the short integer solution assumption, respectively.

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