通信学报2018，Vol.39Issue(2)：21-30,10.DOI:10.11959/j.issn.1000-436x.2018021
基于格的用户匿名三方口令认证密钥协商协议
Three-party password authenticated key agreement protocol with user anonymity based on lattice
摘要
Abstract
With the rapid development of quantum theory and the existence of polynomial algorithm in quantum computation based on discrete logarithm problem and large integer decomposition problem, the security of the algorithm was seriously threatened. Therefore, two authentication key agreement protocols were proposed rely on ring-learning-with-error (RLWE) assumption including lattice-based implicit authentication key agreement scheme and lattice-based explicit authentication key agreement scheme and proved its security. The implicit authentication key agreement protocol is less to communicate and faster to authentication, the explicit authentication key agreement protocol is more to secure. At the same time, bidirectional authentication of users and servers can resist unpredictable online dictionary attacks. The new protocol has higher efficiency and shorter key length than other password authentication key agreement protocols. It can resist quantum attacks. Therefore, the protocol is efficient, secure, and suitable for large-scale network communication.关键词
格密码/可证明安全/口令认证/密钥交换/环上带误差Key words
lattice-based cryptology/provably secure/password authentication/key exchange/ring-learning-with-error分类
信息技术与安全科学引用本文复制引用
王彩芬,陈丽..基于格的用户匿名三方口令认证密钥协商协议[J].通信学报,2018,39(2):21-30,10.基金项目
国家自然科学基金资助项目(No.61662069, No.61562077, No.61662071) （No.61662069, No.61562077, No.61662071）
西北师范大学青年教师科研能力提升计划基金资助项目(No.NWNU-LKQN-14-7)Foundation Items: The National Natural Science Foundation of China (No.61662069, No.61562077, No.61662071), The Founda-tion for Excellent Young Teachers by Northwest Normal University (No.NWNU-LKQN-14-7) （No.NWNU-LKQN-14-7）
