淡江大學機構典藏:Item 987654321/45393
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    题名: Improvement on Li et al.'s generalization of proxy signature schemes
    作者: 黃心嘉;Hwang, Shin-jia;詹景中;Chan, Ching-chung
    贡献者: 淡江大學資訊工程學系
    关键词: Proxy signatures scheme;Proxy threshold signature scheme;Multi-proxy signature scheme;Proxy multi-signature scheme;Multi-proxy multi-signature scheme;Digital signature scheme
    日期: 2004-10-01
    上传时间: 2010-03-26 19:12:38 (UTC+8)
    出版者: Elsevier
    摘要: Recently, Li et al. proposed their generalization of proxy signature schemes. However, all of Li et al.'s schemes have a common security weakness. In Li et al.'s schemes, an adversary first intercepts a valid proxy signature generated by a proxy group on behalf of the proxy group GP. From the intercepted proxy signature, the adversary can forge illegal proxy signatures being likely generated by the proxy group on behalf of an adversary. To overcome this weakness, our improvement is also proposed.
    關聯: Computers & Security 23(7), pp.614-619
    DOI: 10.1016/j.cose.2004.06.003
    显示于类别:[資訊工程學系暨研究所] 期刊論文

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