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Nyberg-Rueppel消息恢复盲签名的一般化和改进 被引量:10

Generalization and improvement of Nyberg-Rueppel message recovery blind signatures
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摘要 给出Nyberg-Rueppel消息恢复签名方案的一般性盲化方法,由该方法可以得到其3个盲化方案,其中一个就是Camenisch等人的方案,另外两个则是新的。在这两个新的方案中,一个与已有方案效率相当,另一个因无需求逆运算而效率更高。使用填充技术和hash函数,得到在ROM(randomoraclemodel)和GM(genericgroupmodel)模型下抗适应性选择消息伪造的可证明安全的消息恢复盲签名方案。 A generalized Nyberg-Rueppel message recovery blind signature scheme was presented, from which the scheme proposed by Camenisch et al and two new schemes could be obtained. One of these two new schemes was an efficiently improved scheme without computing any inverse while Camenisch et al's scheme needs. Moreover, using the padding technique and hash function, a provably secure message recovery blind signature scheme, against adaptive chosen-message attack in random oracle model and generic group model, was proposed.
出处 《通信学报》 EI CSCD 北大核心 2005年第12期131-135,共5页 Journal on Communications
基金 国家自然科学基金项目(60273049) 福建省青年科技人才创新项目(2005J055)
关键词 密码学 数字签名 盲签名 消息恢复 cryptography digital signature blind signature message recovery
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参考文献18

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二级参考文献9

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