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VB.NET信息加密与隐藏工具  论文
双击自动滚屏 文章来源:   发布者:jsjlw99   发布时间:2009/7/1 15:23:57   阅读:15375
信息加密与隐藏工具的设计与实现
   
当今时代,随着电脑的普及应用和互联网的快速发展,网络中露出的安全问题引起普遍关注,网络的安全,主要是网络信息安全,需要采取相应的保护措施,提供适合的安全服务,加密机制和信息隐藏技术作为保障网络信息安全的手段,可以保证信息的完整性、可鉴别性和不可否认性。在一些应用中,它只需要让指定接受人来验证,以确保信息的秘密性。本文主要研究了信息加密与隐藏技术,介绍信息安全的应用前景,通过掌握的知识来实现一个简单信息加密与隐藏工具,包含加密和信息隐藏的功能,处理的对象主要是针对文本和图片两种文件格式,使用简单的对称加密算法对文本进行加密,而在图片中隐藏另外一张图片信息。该设计旨在理解信息加密与隐藏技术在实际生活中的应用,从总体上阐述了它们的原理。另外,本设计成果可用于教学实验中。
 
关键词安全;加密;信息;隐藏

The Design and Implementation of an Information Encryption and Hiding Tool
Abstract
In modern times, with the universal application of computers and rapid development of the Internet, more people have paid attention to the security issues in the Internet. The security issues mainly refer to network information security, so it needs some protection measures and provides appropriate security services. As the protection measures of information security, the encryption and information hiding technology provides the functions of integration, authentication, and non-repudiation for the signing message. In some applications, it only needs to be verified by some recipients while keeping the message secret from public. This paper mainly researches the information encryption and hiding technology and introduces the application prospects of the information security. Based on the acquired knowledge, a simple information encryption and hiding tool is designed, and it provides the functions of encryption and information hiding, and the handing object refers to the text and picture. The symmetric encryption algorithm is applied into the text encryption while a picture is hidden in another picture. The purpose of this design is to make the application of information encryption and hiding in real life understood, as well as to describe the principles of the technology on the whole. In addition, the designing result can be applied into the teaching and experiments.
 
Key words: security; encryption; information; hiding

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