文章简要回顾了密钥管理的基本内容，指出常见的密钥协定协议的不足，详细介绍了基于口令认证的密钥协定协议。
This paper reviews the basic content of key management, points out the limitation of the existing key agreement protocol and introduces password authenticated key agreement in detail.
业务协定协议（Business Agreement protocol）的一个例子就是它自己，被称作业务协定（Business Agreement） 它是一个补偿协议。
An example Business Agreement protocol is itself called Business Agreement and is a compensation protocol.
国际协议和协定是公共卫生的一个必要部分。
International agreements and accords are a necessary part of public health.
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