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一种改进的结构化多重数字签名 被引量:3

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摘要 该文分析了L.Harn,C.-Y.Lin和T.-C.Wu提出的结构化多重数字签名方案,指出了方案中存在的内部成员串通进行欺诈抵赖等不安全情况。通过增加签名管理中心和时间戳改进了原方案,解决了原方案中存在的安全问题。
机构地区 华东师范大学
出处 《计算机安全》 2006年第9期13-15,共3页 Network & Computer Security
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