| 无证书的层次认证密钥协商协议 |
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| 引用本文： | 苏 航,刘建伟,陶 芮. 无证书的层次认证密钥协商协议[J]. 通信学报, 2016, 37(7): 161-171. DOI: 10.11959/j.issn.1000-436x.2016145 |
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| 作者姓名： | 苏 航 刘建伟 陶 芮 |
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| 作者单位： | 北京航空航天大学电子信息工程学院，北京 100191 |
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| 基金项目： | 国家重点基础研究发展计划（“973”计划）基金资助项目（No.2012CB315905）；国家自然科学基金资助项目（No.61272501）；中央高校基本科研业务费专项基金资助项目（No.YWF-15-GJSYS-059） |
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| 摘 要： | 提出了一种无证书的层次认证密钥协商协议，协议的安全性基于计算性Diffie-Hellman困难假设，并在eCK（extended Canetti–Krawczyk）模型下证明了该协议的安全性。该协议中，根PKG为多层的域PKG验证身份并生成部分私钥，域PKG为用户验证身份并生成部分私钥，私钥则由用户选定的秘密值和部分私钥共同生成。与已有协议相比，协议不含双线性映射配对运算，且具有较高的效率。
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| 关 键 词： | 无证书；层次认证密钥协商协议；计算性Diffie-Hellman困难假设；eCK模型 |
Hierarchical certificateless authenticated key agreement protocol |
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| Hang SU,Jian-wei LIU,Rui TAO. Hierarchical certificateless authenticated key agreement protocol[J]. Journal on Communications, 2016, 37(7): 161-171. DOI: 10.11959/j.issn.1000-436x.2016145 |
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| Authors: | Hang SU Jian-wei LIU Rui TAO |
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| Affiliation: | School of Electronic and Information Engineering, Beihang University, Beijing 100191, China |
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| Abstract: | A hierarchical certificateless authenticated key agreement protocol was proposed, and the proposed protocol was proved secure in extended Canetti-Krawczyk (eCK) model, the security of the protocol was based on the computational Diffie-Hellman assumption. In the protocol, a root PKG authenticates the identity and generates a partial private key for lower-level PKG which authenticate the identity and generate a partial private key for users, private key generated by partial private key and user selected secret value. Comparing with the existing protocols, the protocol is efficient without bilinear pairings computation. |
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| Keywords: | certificateless hierarchical authenticated key agreement protocol computational Diffie-Hellman assumption eCK model |
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