Under the direction of the theories of information system safeties , with the method of system analysis and synthesize equilibrium , and through the research and analysis for network risk facing in process of construction of bank ' s computerization , the thesis puts forward the requirement of network system security in bank systematically ; on the basis of above , combining with the new generation integrated business system of icbc ( industrial and commercial bank of china ) to be putted into operation and data concentration engineering to be putted into practice , and according to the guidance principle of the unity of opposites between network ' s inter - connectivity and security , the writer bring forward the network security solution for icbc 本文以工商银行网络改造工程为背景，通过该项工程的实施，完成了论文的研究和设计工作。论文在信息系统安全理论的指导下，采用系统分析和综合平衡的方法，通过对工商银行在电子化建设过程中所面临的网络风险的研究和分析，系统地提出了银行网络系统安全的需求；在此基础上，结合工行新一代综合业务系统的推广及数据大集中工程的实施，按照网络的开放性与安全性辩证统一的指导原则，提出并设计了工商银行网络安全解决方案。该方案已通过专家论证，并投入实施。
During the last century , the vhf ( very high frequency ) communication has been applied in the ship ' s transportation , as well as radar and arpa also could identify ships in the marine . but they could n ' t adapt to the needs of the modern navigation because of their limits . the rapid development of the digital communications technology , computer technology and net ware technology supports the needed technology of ais ( automatic identification system ) 上个世纪， vhf通信技术被广泛地应用于船舶通信；雷达、 arpa具有识别船舶的功能，但是由于自身的局限性而无法适应现代航运安全的需求；随着数字通信技术、计算机技术以及网络信息技术的飞速发展， ais的技术基础已经搭建好，在航运界对助航设备的要求越来越高的情况下，船舶自动识别系统应运而生。
According to the characteristics of distributed authentication , the writer raise an optimized certificate validation scheme , based on the multi - level trust mode , and the main work as following : . from the requirements of network security , it introduces the key technologies of pki , including symmetry key cryptosystem , public key cryptosystem , hash function , digital signature , and the base of pki including theories , conceptions , functions and applications . then introduces the concept of certificate and its theory 本文针对分布式认证的特点，提出了一种基于可扩展的多级信任模型的优化的证书验证方案，主要的工作如下：第一，从网络安全的需求出发，介绍了对称加密、非对称加密、单向散列函数、数字签名技术等pki关键基础技术，介绍了pki的基本原理，包括pki的概念及组成， pki的功能， pki的应用，最后给出了证书的概念及工作原理。
The second part is about the important meaning of the right to privacy in the actual lives and law system from four aspects , i . e . the need that the right to privacy is a kind of natural right , the need of the heart safety , the need of the personality dignity and the need of the development of spirit civilization 从隐私权作为一项自然权利的需求、隐私权是维护个人内心安全的需求、隐私权法律制度是维护个人人格尊严和进行精神文明建设的保证四方面，论述了隐私权在现实生活和法律中具有重要的意义。
Combined with the requirements for the olympic and social safety , aiming at the occurrence of new safety problem in the new period we integrate the international up - to - date s & t achievements and develop the new type safety equipment and device and material and employ the most novel achievements of biological technique and build a base of production of green food , and will supply an omnibearing and absolute safety guarantee 结合奥运安全和社会安全的需求，针对新时期出现的新的安全问题，集成世界最新科技成果，研制新型安全设备和器材；运用生物技术的最新成果，建设绿色食品生产基地，为奥运会提供全方位的、万无一失的安全保障。
