we adopt encryption and decryption technology based on permutation code.

encryption and decryption is executed in a single method call.

加密和解密在单个方法调用中完成；

a new delegation of the decryption scheme for p2p data sharing

一种新的P2P数据共享解密授权方案

the decryption algorithm has a better performance;

解密算法效率较高；

digital video encryption and decryption system based on fpga

基于FPGA的数字视频加解密系统设计

the same key is used for both encryption and decryption.

加密和解密使用相同的密钥。

a multimedia data encryption& decryption software system using liu's encryption algorithm

一种基于刘氏密码体制的多媒体数据加解密软件系统

design and implementation of a simple algorithm of chinese character encryption and decryption

一种简易汉字加密与解密算法的设计与实现

introduces the method of encryption and decryption of an image.

针对手写签名图像的保密问题，本文介绍了一种变换与恢复的方法，其中对于图像恢复过程中的特殊问题提出了一些巧妙的方法。

data encryption and decryption applying system based on file

基于文件的数据加密解密应用系统的研究和实现

aim the network information encryption and decryption technology is studied.

目的研究网络传输信息加密解密技术。

method for the development of network information encryption and decryption system based on java

基于Java的网络传输信息加密解密系统的研制

a new encryption/ decryption system is designed for information security.

研制了一个新的信息安全加密解密系统。

implementation of digital signature in automatic office system

数字签名技术在办公自动化系统中的实现

application of encryption and digital signature based on online bidding

在线招投标系统中的加密和数字签名技术

the algorithm is the core of digital signature.

签名算法是数字签名的核心。

research on authentication algorithm combining digital signature and digital watermarking

结合数字水印与数字签名的认证算法的研究

a scheme of digital signature based on creating elliptic curve equation

一种基于构造椭圆曲线方程的数字签名方案

then the digital signature technology is introduced.

然后介绍了数字签名技术。

digital signature technique in office automation system of campus networks

数字签名技术与校园网办公自动化系统

application of digital signature technology in network dispatch platform

网络化调度平台中数字签名技术的应用