ID 原文 译文
22875 通过更新属性版本密钥的方式达到属性级用户撤销，同时通过中央控制可以实现系统级用户撤销。 By updating the attribute version key, the scheme can achieve attribute-level user revocation. And by central controller, the scheme can achieve system-level user revocation.
22876 为减少用户解密过程的计算负担，将解密运算过程中复杂对运算外包给云服务商，提高解密效率。 In order to reduce the user's computational burden of decryption, this scheme outsources the complicated pair operation to cloud service providers.
22877 该文基于 q-Parallel BDHE 假设在随机预言机模型下对方案进行了选择访问结构明文攻击的安全性证明。 Based on the assumption of q-Parallel BDHE, the scheme is proved that is the security of the chosen plaintext attack in the random oracle model.
22878 最后从理论和实验两方面对所提方案的效率与功能性进行了分析。 Finally, the efficiency and function of this scheme are analyzed theoretically and experimentally.
22879 实验结果表明所提方案无密钥托管问题，且具有较高系统效率。 The experimental results show that the proposed scheme does not have key escrow problem and has the higher system efficiency.
22880 为了实现车载自组织网络中车辆节点之间信息传输的安全认证，该文设计了一种无证书聚合签名方案。 In order to realize the security authentication of the information transmission between vehicle nodes in vehicular Ad hoc networks, a certificateless aggregate signature scheme is designed.
22881 提出的方案采用无证书密码体制，消除了复杂的证书维护成本，同时也解决了密钥托管问题。 The proposed scheme uses certificateless cryptography, which eliminates the complex maintenance cost of certificate and solves the problem of key escrow.
22882 通过路侧单元生成的假名与周围节点进行通信，实现了车辆用户的条件隐私保护。 Communicating through pseudonyms and nodes around the roadside units generated, the conditional privacy protection is achieved for vehicle users.
22883 在随机预言模型下，证明了方案满足自适应选择消息攻击下的存在性不可伪造。 In the random oracle model, the scheme is proved to be existentially unforgeable against adaptive chosen message attack.
22884 然后，分析了方案的实现效率，并模拟实现了车载自组网(VANET)环境中车流密度与消息验证的时间延迟之间的关系。 Then, the efficiency of the scheme is analyzed, and the relationship between the traffic density in Vehicular Ad hoc NETwork (VANETs) environment and the time delay of message verification is simulated.