研究弱可逆有限自动机的分解可以为分析有限自动机公开钥密码体制的安全性提供一种重要途径。
It is very important to investigate the decomposition of weakly invertible finite automata, since it could provide an approach to cryptanalyzing finite automata public-key cryptosystem(FAPKC).
崔国华(通讯作者)，男，1947年生，教授，博士生导师。主要研究方向：访问控制，密码体制的安全性分析，代数数论。
Cui Guohua, Male, born in 1947, Professor, Supervisor of PhD Candidates. Main research: access control, the security analysis of cryptosystem, algebra number theory.
零知识身份认证是当代密码研究的一个引人入胜的问题，而椭圆曲线相对于其它密码体制具有更高安全性。
The zero-knowledge status authentication is a fascinating question of contemporary password research, and the elliptic curve is the cipher system having higher security in comparison with others.
超椭圆曲线密码体制是以超椭圆曲线离散对数问题的难解性为基础的，具有安全性高、操作数短等优点，相对于其他密码体制有明显的优势。
The hyperelliptic curve cryptosystem is based on the hyperelliptic curve discrete logarithm problem, and has the higher safety and the shorter operands compared to other cryptosystems.
而是否具有形式化的可证安全性，是衡量密码体制是否安全的最重要的标准。
While, the most important principle in evaluating a cryptosystem is whether it can be proved to be secure formally.
数论中存在着许多难题，很多密码体制就是以这些难题为安全性基础的。
There are many intractable problems in number theory, many cryptosystems were established of which the security is based on the intractability of these problems.
抗选择密文攻击公钥密码体制是安全性很高的密码体制，它是设计抗主动攻击的协议非常有用的工具。
The public key cryptosystem secure against chosen ciphertext attacks is a very strong secure cryptosystem and is a useful primitive for designing protocols that resisting active adversary.
提出了一种新型代理签名方案，其安全性是建立在因子分解表述难题之上，因而不是基于离散对数密码体制的方案。
A new proxy signature scheme is proposed. The security is based on factoring representation problem, so it is not based on the discrete logarithm problem cryptosystem.
因此如何在现有的密码体制和数字签名体制的基础上，构建一个更好的方案保护和管理密钥，是决定现实中系统的安全性的关键。
So it becomes a key problem how to build a better security protection scheme and key management system by making use of the cryptography algorithm in practice.
该体制具有较高的效率和安全性，且易于硬件实现，因此被认作量子计算机时代一种安全的密码体制和数字签名备选方案。
The system with high efficiency and security, and easy hardware implementation, it has been recognized as a quantum computer age in a secure cryptosystem and digital signature options.
椭圆曲线密码体制具有密钥短，安全性高的特点，十分适合在智能卡上使用。
ECC has the advantages of short key and high level of security, so it is quite suitable for using on smart card.
CPK密码体制现今已形成三代标准，几乎每个更新版本的发布都对前代作出了重大的改进，并试图在密码体制的可用性和安全性上获得重大提高。
CPK cryptosystem has developed three versions, and almost every updated version of the releases trys to make the systems gain a significant improvement in availability and security.
基于对公钥密码体制的分析，研究了RSA密码体制的实现算法，开发了端对端的网络传输信息加密解密系统，在实际网络环境条件下进行的测试证明了其安全性和可靠性。
Based on the analyzing of public_key cryptosystem, a practical algorithm of RSA is studied. A network information encryption and decryption system of end to end is developed.
初步分析表明，信息反馈流密码体制具有较高的安全性。
The primary analysis shows that the stream ciphers with information feedback are of high...
初步分析表明，信息反馈流密码体制具有较高的安全性。
The primary analysis shows that the stream ciphers with information feedback are of high...
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