ABeCK模型下安全的基于属性的认证密钥协商协议
发布时间：2018-09-10 14:06
【摘要】：基于属性的认证密钥协商(attribute-based authenticated key agreement,简称ABAKE)协议可在保护身份隐私的通信环境中为用户建立共享的会话密钥,ABe CK(attribute-based extended Canetti-Krawczyk)模型是适用于ABAKE协议安全性分析的一种安全强度较高的模型.首先在GCDH(gap computational Diffie-Hellman)假设的基础上提出了GCPBDHE(gap computational parallel bilinear Diffie-Hellman exponent)假设,然后,基于Waters属性基加密方案提出了一个基于属性的认证密钥协商协议,并在GCPBDHE假设和CDH假设成立的条件下,证明了该方案在ABe CK模型下是安全的.与现有的ABe CK模型下安全的ABAKE协议相比,降低了通信开销.
[Abstract]:Attribute-Based Authentication key Agreement (ABAKE) protocol can establish a shared session key CK (attribute-based extended Canetti-Krawczyk) model for users in a communication environment that protects identity privacy. It is a model with high security intensity suitable for the security analysis of ABAKE protocol. Firstly, the GCPBDHE (gap computational parallel bilinear Diffie-Hellman exponent) hypothesis is put forward on the basis of GCDH (gap computational Diffie-Hellman) hypothesis. Then, an attribute-based authentication key agreement protocol is proposed based on Waters attribute base encryption scheme, and under the condition that GCPBDHE hypothesis and CDH hypothesis hold true, It is proved that the scheme is safe under ABe CK model. Compared with the secure ABAKE protocol under the existing ABe CK model, the communication overhead is reduced.
【作者单位】： 中国人民解放军信息工程大学;
【基金】：国家自然科学基金(61272488,61272041,61202491)~~
【分类号】：TN918.4
[Abstract]:Attribute-Based Authentication key Agreement (ABAKE) protocol can establish a shared session key CK (attribute-based extended Canetti-Krawczyk) model for users in a communication environment that protects identity privacy. It is a model with high security intensity suitable for the security analysis of ABAKE protocol. Firstly, the GCPBDHE (gap computational parallel bilinear Diffie-Hellman exponent) hypothesis is put forward on the basis of GCDH (gap computational Diffie-Hellman) hypothesis. Then, an attribute-based authentication key agreement protocol is proposed based on Waters attribute base encryption scheme, and under the condition that GCPBDHE hypothesis and CDH hypothesis hold true, It is proved that the scheme is safe under ABe CK model. Compared with the secure ABAKE protocol under the existing ABe CK model, the communication overhead is reduced.
【作者单位】： 中国人民解放军信息工程大学;
【基金】：国家自然科学基金(61272488,61272041,61202491)~~
【分类号】：TN918.4
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