Faguo Wu1,2, Xiao Zhang1,2, Wang Yao1,2, Zhiming Zheng1,2, Lipeng Xiang3, Wanpeng Li4
CMC-Computers, Materials & Continua, Vol.56, No.1, pp. 19-34, 2018, DOI:10.3970/cmc.2018.02664
Abstract Signature, widely used in cloud environment, describes the work as readily identifying its creator. The existing signature schemes in the literature mostly rely on the Hardness assumption which can be easily solved by quantum algorithm. In this paper, we proposed an advanced quantum-resistant signature scheme for Cloud based on Eisenstein Ring (ETRUS) which ensures our signature scheme proceed in a lattice with higher density. We proved that ETRUS highly improve the performance of traditional lattice signature schemes. Moreover, the Norm of polynomials decreases significantly in ETRUS which can effectively reduce the amount of polynomials convolution More >
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