好，我们等下讲讲密码学。
密钥管理是密码学的核心问题之一。
Key management is one of the important cryptographic problems.
一个非常好的参考感兴趣的人应用密码学。
A very good reference for people interested in applied cryptography.
密码学主要分为三种。
认证密钥协商协议是一种重要的密码学原语。
Authenticated key agreement is an important original language of cryptology.
序列密码一直是密码学中最重要的加密方式之一。
Stream cipher has always been one of the most important encryption methods in cryptography.
我对PHP有很好的了解，但对密码学知之甚少。
I have a good knowledge of PHP but little knowledge about cryptography.
公钥密码系统是现代密码学最重要的研究课题之一。
Public key cryptosystem is one of the most important research subject in modern cryptography.
其中一些是基于密码学的，这也是本文的研究目标。
Some of these are based on cryptography, which is also the object of this paper.
对群签名的设计与分析始终是密码学领域的一大热点。
Design and cryptanalysis on group signature is always the hotspot in the field of cryptography.
熵是信息论中的一个重要概念，在密码学中有着广泛的应用。
Entropy is an important concept on information theory. It has an extensive application in cryptology.
理论分析表明此密钥序列具有较高的线性复杂度和良好的密码学特性。
It is proved that series has high complexity and good cipher quality.
由于密钥协商的重要性，密钥协商的研究成为了密码学中一个研究的热点。
Because of the importance of key agreement, key agreement research became cryptography a research hotspot.
由于密钥协商的重要性，密钥协商的研究成为了密码学中一个研究的热点。
Because of the importance of key agreement, key agreement research became cryptography a research hotspot.
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