Ring Signature Schemes from Lattice Basis Delegation

被引：0

作者：

Wang, Jin ^{[1
]}

Sun, Bo ^{[1
]}

机构：

[1] Coordinat Ctr China, Natl Comp Network Emergency Response Tech Team, Beijing 100029, Peoples R China

来源：

INFORMATION AND COMMUNICATIONS SECURITY | 2011年 / 7043卷

关键词：

Ring signature; lattices; lattice basis delegation; RANDOM ORACLES; CONSTRUCTIONS; TRAPDOORS;

D O I：

暂无

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

In this paper, we propose a set of ring signature (RS) schemes using the lattice basis delegation technique due to [6,7,12]. Our proposed schemes fit with ring trapdoor functions introduced by Brakerski and Kalai [18], and we obtain the first lattice-based ring signature scheme in the random oracle model. Moreover, motivated by Boyen's work [16], our second construction in the standard model achieves in stronger security definitions and shorter signatures than Brakeski-Kalai scheme.

引用

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页码：15 / 28

页数：14

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