国家交通信息数据单向提取技术研究与实现  

Realization and Research on Unilateral Data Transmission of National Traffic Information

作　　者：赵锐[1] 郭伟[1] 郑贵省[1] 李美剑[1] 

机构地区：[1]军事交通学院基础部,天津300161

出　　处：《军事交通学院学报》2009年第3期9-12,共4页Journal of Military Transportation University

摘　　要：目前从外网导入数据可行方法是采用刻录光盘的方式，该方式属人工操作，存在着数据管理、人员失误、疏忽等安全隐患，并且不能满足实时性要求。基于此，设计和实现了一种基于PXA270的嵌入式外网数据单向提取装置，通过无线红外技术实现“物理隔离”和绝对单向传输通道。在自动传输模式下，通过改进的数据模式验证算法对数据进行验证，将病毒、木马等可执行程序做了精确过滤，从而保证了数据的可用性和安全性。Importing data from public network is only used to cutting discs. It belongs to the manual mode and the data management＇s mistakes are involved in the human negligence. There are still other security risks, and it cannot meet the real -time requirements. With the aim to design a unilateral data extraction device based on inserted PXA270, the infrared wireless technology is introduced to achieve the ＂physical isolation＂ and the absolute unilateral data transmission. In automatic transmission mode, an improved model of data validation algorithm is implemented to verify the data. It is capable of finding viruses, Trojan horses and other executable program exactly. So the data＇s security and availability is guaranteed ultimately.

关 键 词：网络安全 单向传输 物理隔离 模式验证 IRDA 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]