| 一种高效的P2PSIP认证与密钥协商机制* |
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| 引用本文： | 施苑英. 一种高效的P2PSIP认证与密钥协商机制*[J]. 计算机应用研究, 2011, 28(1): 234-236. DOI: 10.3969/j.issn.1001-3695.2011.01.065 |
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| 作者姓名： | 施苑英 |
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| 作者单位： | 西安邮电学院,通信与信息工程学院,西安,710121 |
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| 基金项目： | 西安邮电学院中青年科研基金资助项目（ZL2010-13） |
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| 摘 要： | 针对P2PSIP分布式无中心的特点，提出一种基于无证书公钥密码技术的认证与密钥协商机制，并对其正确性、安全性和性能进行了分析讨论。该方案满足普遍认可的密钥协商安全需求，而且没有使用双线性对运算，能有效降低节点的计算开销。与已有方案相比，该方案在保持较高安全性的同时具有更高的运行效率。
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| 关 键 词： | 对等会话初始协议； 无证书公钥密码体制； 无双线性对； 认证； 密钥协商 |
Efficient authentication and key agreement mechanism for P2PSIP |
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| SHI Yuan-ying. Efficient authentication and key agreement mechanism for P2PSIP[J]. Application Research of Computers, 2011, 28(1): 234-236. DOI: 10.3969/j.issn.1001-3695.2011.01.065 |
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| Authors: | SHI Yuan-ying |
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| Abstract: | In order to fit with the distributed and decentralized characteristics of P2PSIP, this paper proposed an authentication and key agreement mechanism based on certificateless public-key cryptography, and discussed its correctness, security and performance. This scheme satisfied the common admissive security demands in key agreement and reduced computation costs for not using bilinear pairings. As compared to the existing schemes, the new scheme maintains high security and has higher efficiency. |
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| Keywords: | P2PSIP certificateless public-key cryptography(CL-PKC) without pairing authentication key agreement |
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