Simple and Efficient Password-Based Authenticated Key Exchange Protocol 被引量：1

Simple and Efficient Password-Based Authenticated Key Exchange Protocol

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摘要 Password-based authenticated key exchange(PAKE) protocols are cryptographic primitives which enable two entities,who only share a memorable password,to identify each other and to communicate over a public unreliable network with a secure session key.In this paper,we propose a simple,efficient and provably secure PAKE protocol based on Diffie-Hellman key exchange and cryptographic hash function.Our protocol is secure against dictionary attacks.Its security is proved based on the hardness of the computational Diffie-Hellman problem in the random oracle model. Password-based authenticated key exchange （PAKE） protocols are cryptographic primitives which enable two entities, who only share a memorable password, to identify each other and to communicate over a public unreliable network with a secure session key. In this paper, we propose a simple, efficient and provably secure PAKE protocol based on Difiie-Hellman key exchange and cryptographic hash function. Our protocol is secure against dictionary attacks. Its security is proved based on the hardness of the computational Diffie-Hellman problem in the random oracle model.

作者王立斌潘嘉昕马昌社

机构地区 School of Computer

出处《Journal of Shanghai Jiaotong university(Science)》 EI 2011年第4期459-465,共7页 上海交通大学学报（英文版）

基金 the National Natural Science Foundation of China(Nos.60703094 and 61070217)

关键词 password authentication key exchange provable security password authentication, key exchange, provable security

分类号 TP309 [自动化与计算机技术—计算机系统结构]

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