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| Forking引理与一类基于身份签名体制的安全性证明 |
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顾纯祥1, 祝跃飞1, 潘晓豫2
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1.信息工程大学,信息工程学院,网络工程系,河南,郑州,450002;2.河南省生产力促进中心,河南,郑州,450008
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| 摘要: |
| 在随机谕示模型下,研究一类基于身份的签名体制(称为基于身份的一般签名体制)的安全性.所得理论成果可以被看作Pointcheval和Stern提出的Forking引理在基于身份签名体制研究领域的扩展,有助于理解和简化一些现有的基于身份签名体制的安全性证明,如Cha-Cheon的体制、Hess的体制1及Cheon-Kim-Yoon的体制等. |
| 关键词: 基于身份的签名 Forking引理 可证安全 存在性伪造 |
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| 基金项目:This paper offers arguments for the provable security of a class of ID-based signature schemes called ID-based generic signature schemes in the random oracle model. The theoretical result can be viewed as an extension of the Forking Lemma due to Pointcheval and Stern for ID-based signature schemes, and can help to understand and simplify the security proofs of previous work such as Cha-Cheon's scheme, Hess's scheme-1, Cheon-Kim-Yoon's scheme, and so on. |
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| Forking Lemma and the Security Proofs for a Class of ID-Based Signatures |
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GU Chun-Xiang,ZHU Yue-Fei,PAN Xiao-Yu
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| Abstract: |
| This paper offers arguments for the provable security of a class of ID-based signature schemes called ID-based generic signature schemes in the random oracle model. The theoretical result can be viewed as an extension of the Forking Lemma due to Pointcheval and Stern for ID-based signature schemes, and can help to understand and simplify the security proofs of previous work such as Cha-Cheon's scheme, Hess's scheme-1, Cheon-Kim-Yoon's scheme, and so on. |
| Key words: This paper offers arguments for the provable security of a class of ID-based signature schemes called ID-based generic signature schemes in the random oracle model. The theoretical result can be viewed as an extension of the Forking Lemma due to Pointchev |
