Efficient response speed and information processing speed are among the characteristics of mobile edge computing(MEC).However,MEC easily causes information leakage and loss problems because it requires frequent data e...Efficient response speed and information processing speed are among the characteristics of mobile edge computing(MEC).However,MEC easily causes information leakage and loss problems because it requires frequent data exchange.This work proposes an anonymous privacy data protection and access control scheme based on elliptic curve cryptography(ECC)and bilinear pairing to protect the communication security of the MEC.In the proposed scheme,the information sender encrypts private information through the ECC algorithm,and the information receiver uses its own key information and bilinear pairing to extract and verify the identity of the information sender.During each round of communication,the proposed scheme uses timestamps and random numbers to ensure the freshness of each round of conversation.Experimental results show that the proposed scheme has good security performance and can provide data privacy protection,integrity verification,and traceability for the communication process of MEC.The proposed scheme has a lower cost than other related schemes.The communication and computational cost of the proposed scheme are reduced by 31.08% and 22.31% on average compared with those of the other related schemes.展开更多
针对现有车载自组织网络(Vehicular Ad-hoc Network,VANET)匿名认证方案在网络规模较大时存在复杂性和执行效率方面的问题,提出了一种基于盲签名和组合公钥(Combined Public Key,CPK)算法的认证方案,并对该方案所包含的认证协议进行了...针对现有车载自组织网络(Vehicular Ad-hoc Network,VANET)匿名认证方案在网络规模较大时存在复杂性和执行效率方面的问题,提出了一种基于盲签名和组合公钥(Combined Public Key,CPK)算法的认证方案,并对该方案所包含的认证协议进行了详细描述。安全性和执行效率分析表明,与现有方案相比提出的匿名认证方案在保证用户匿名性的同时还具有较高的执行效率。展开更多
基金partially supported by the National Natural Science Foundation of China under Grant 62072170 and Grant 62177047the Fundamental Research Funds for the Central Universities under Grant 531118010527+1 种基金the Science and Technology Key Projects of Hunan Province under Grant 2022GK2015the Hunan Provincial Natural Science Foundation of China under Grant 2021JJ30141.
文摘Efficient response speed and information processing speed are among the characteristics of mobile edge computing(MEC).However,MEC easily causes information leakage and loss problems because it requires frequent data exchange.This work proposes an anonymous privacy data protection and access control scheme based on elliptic curve cryptography(ECC)and bilinear pairing to protect the communication security of the MEC.In the proposed scheme,the information sender encrypts private information through the ECC algorithm,and the information receiver uses its own key information and bilinear pairing to extract and verify the identity of the information sender.During each round of communication,the proposed scheme uses timestamps and random numbers to ensure the freshness of each round of conversation.Experimental results show that the proposed scheme has good security performance and can provide data privacy protection,integrity verification,and traceability for the communication process of MEC.The proposed scheme has a lower cost than other related schemes.The communication and computational cost of the proposed scheme are reduced by 31.08% and 22.31% on average compared with those of the other related schemes.
文摘针对现有车载自组织网络(Vehicular Ad-hoc Network,VANET)匿名认证方案在网络规模较大时存在复杂性和执行效率方面的问题,提出了一种基于盲签名和组合公钥(Combined Public Key,CPK)算法的认证方案,并对该方案所包含的认证协议进行了详细描述。安全性和执行效率分析表明,与现有方案相比提出的匿名认证方案在保证用户匿名性的同时还具有较高的执行效率。
