加解密技术 meaning in English
encryption &decryption
Examples
- This paper discusses some important technologies closed to dtv receiving system deeply , base on scn and cctv . it includes mpeg - 2 system level , dvb service information , conditional acceptance . it also describes how to realize epg , ca , upgrade on line etc based on the dtv service information technology at lengtho now , the production of this design is applied to the digital tv products of cctv and sichuan tv net
本论文结合数字电视在四川广电网和cctv的具体应用情况，深入研究探讨了与数字电视接收系统紧密相关的部分关键技术，包括mpeg - 2系统层结构分析、 mpeg - 2和dvb业务信息分析、数字电视条件接收基本原理和加解扰及加解密技术，并详细叙述了如何运用数字电视业务信息技术实现了电子节目指南、条件接收、在线升级等基本业务。 - The database security communication system includes the model of security channel , establishing the security channel realization and improving the rate of translating , the control of accessing of database ; including the security protocol , the algorithm of encrypt and parsing of database technology . the system have especially compatibility and it is a good reference to empolder security system under different operate system
数据库安全通信系统包含安全通道模型的建立、安全通道的实现及性能调优、数据库访问的权限控制；包含安全协议的选择，加密解密的算法，网络通信和数据库的语法分析等技术。数据库安全通信系统结合带ic卡读写器的安控电脑及数据加解密技术、认证技术、网络传输等技术，实现在大型异构系统中数据库安全通信。