The capacity of encryption / decryption operation and the category of cryptogram - supported algorithms are the important indicator of cryptogram server 加解密运算的性能和支持的密码算法的种类是密码服务器的重要指标。
This paper has expounded on several typical cryptogram algorithms , and analyzed and summed up the implementation procedure of the cryptogram algorithms based on c - language 摘要阐述了几种典型的密码算法及其应用，分析总结了密码算法的c语言实现过程。
3 . cryptogram is the ker11el of information security . on the ground chengdu 2002 . 6 of the general request on information security of information management system of the network - based design 根据网络化设计信息管理系统的总体安全需求，提出了基于密码技术的设计信息管理系统安全体系结构。
Meanwhile , it has not problems such as cryptogram got out or card lost which is present in cryptogram identification and card identification respectively . so it is highly reliable and safe 同时,它不存在诸如密码、卡片式身份鉴别方式中的密码泄露或卡片遗失的隐患,具有极高的可靠性与安全性。
The thesis aims to carry out a study of improving flexibility and efficiency of a server by designing and realizing reconfigurable algorithmic accelerate component ( raac ) in high performance cryptogram server 本文针对如何通过设计和实现高性能密码服务器中的可配置密码算法加速部件raac来提高服务器的灵活性和高效性进行了深入的研究。
In terms of the difference between encryption key and decryption key , it can be divided into symmetry cryptogram and public key cryptogram , and symmetry can be further divided into block cipher and stream cipher 根据加密密钥和解密密钥性质上的不同，可以将密码体制分为对称密码和公钥密码两大类，而对称密码又包括分组密码和序列密码。
A design scheme of cryptogram transmission system based on fpga is presented , which is used to implement the simulation of the quantum transmission channels . furthermore , a circuit of fpga power - on configuration is realized 提出了基于fpga的密码传输系统的设计方案,用于模拟高斯密钥在量子信道上的传输,并完成了fpga上电配置电路的设计。
After analyzing the advantages and the disadvantages of dse arithmetic and rsa arithmetic , which are both representatives of the traditional cryptogram systems , put forward a model of network data safety system combined two arithmetic 在分析对称密码体制和公开密钥体制的代表dse和rsa算法的优缺点后，提出将两种算法结合的网络数据安全系统的模型。
Considering the compatibility , the system of security environment is designed and realized by corba technology . at present , security environment is composed of cryptogram base system , certificates base system and interface base system 考虑到系统的通用性，作者采用corba技术初步实现了安全平台的加密算法库系统、证书管理库系统利接口库系统。
A efficient structure of beginning of cryptogram is prescribed . program implementation algorithm based on this cryptogram structure is designed as well , compatibility and unification of diversified cryptogram forms in the system is realized 规定了一种有效的密文文件头结构，并设计了基于这种密文格式的程序实现算法，实现了系统中各种密文格式的兼容性和统一性。
