An attribute-based ring signature scheme in lattice |
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| Authors: | Wei Li Mingyu Fan Zhenhong Jia |
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| Institution: | 1. School of Computer Science and Engineering, University of Electronic Science and Technology of China, Chengdu, 610054, Sichuan, China
2. School of Information Science and Engineering, Xinjiang University, Urumqi, 830046, Xinjiang, China
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| Abstract: | An attribute-based ring signature scheme in lattice was proposed in this paper. In this signature scheme, an entity’s attributes correspond to the columns of a lattice matrix, and the signature was generated by using a subset of these attributes. The entities possessing these attributes form a ring. The scheme is computationally efficient than the schemes based on the integer factor problem and discrete logarithm problem, furthermore it is still secure in quantum computing environment. |
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| Keywords: | ring signature attribute Bonsai tree model lattice |
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