关键词: 密钥协商 密钥分发 群密钥协商 认证密钥协商 公钥密码体制

Abstract: Key agreement protocols allow two or more users to establish a common secret key though open networks. This notion of key agreements is one of the most fundamental cryptographic primitives and the base of public cryptography. This paper presents a survey

Key words: Key agreement,Key distribution, Group key agreement （GKA）, Authenticated key agreement, Public key cryptosystem