计算机应用与软件Issue(12)：307-310,4.DOI:10.3969/j.issn.1000-386x.2014.12.075
标准模型下的单向可变门限代理重签名方案
UNIDIRECTIONAL VARIABLE THRESHOLD PROXY RE-SIGNATURE SCHEME IN STANDARD MODEL
摘要
Abstract
Most of current threshold proxy re-signature schemes have only one threshold value.However in practical applications, the proxy number ( threshold value) of joint re-signature in threshold proxy re-signature scheme depends on the significance of the re-signing message.Based on the proxy re-signature scheme presented by Sherman et al, we propose a unidirectional variable threshold proxy re-signature scheme by making use of the Chinese remainder theorem, which is security provable in standard model.Analysis results show that the new scheme satisfies the robustness and unforgeability under computational Diffie-Hellman hypothesis.It outperforms existing similar signature schemes in efficiency.According to variable threshold value, each proxy can generate corresponding re-signature sub-key and verification key non-interactively.关键词
可变门限代理重签名/单向性/中国剩余定理/标准模型/可证明安全Key words
Variable threshold proxy re-signature/Unidirectional/Chinese remainder theorem/Standard model/Security provable分类
信息技术与安全科学引用本文复制引用
李海芸,杨小东..标准模型下的单向可变门限代理重签名方案[J].计算机应用与软件,2014,(12):307-310,4.基金项目
国家自然科学基金项目（61262057）。 （）
