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Security Analysis Andapplicationstudy of XMPP Protocol

Author: YanHuan
Tutor: ZuoMingXiang
School: Xi'an University of Electronic Science and Technology
Course: Applied Computer Technology
Keywords: Instant Messaging XMPP Secure communication Text digitalwatermarking
CLC: TP393.08
Type: Master's thesis
Year: 2012
Downloads: 74
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Abstract


Various of Instant Messaging (IM) products emerge in an endless stream,especially like QQ, MSN, GTALK and so on. Usually, the users of the communicationsystem which uses different protocols cannot interchange information at all. ExtensibleMessaging and Presence Protocol (XMPP) is a protocol based on Extensible MarkupLanguage (XML). Because of its appear， the compatible problem in instantcommunication can be solved. However,more functional expansion brings moresecurity problems with privacy information. The paper aims to make sure that theapplication of IM client can get more effective security communication by studing andanalyzing of XMPP’s security problem.This paper first studied the architecture and key technology of XMPP, focused onstudy and analysis of the XMPP’s security mechanism which has TLS and SASLprotocol, and given the problems that is in security mechanism. Then by studing thecorrelation theory and key technology of Digital Watermarking, the securityarrangement of IM client’s document transmission and authentication mechanism weregiven. Based on the theoretical study ahead, the Text Digital Watermarking algorithmwhich is improved as while as based on the character color were applied in the IMclient’s safety file transfer function, finally the security IM client of XMPP weredesigned and realized.Test results show that the IM client which was realized in this paper can achiveexpected effect. In the future study, the other Digital Watermarking algorithm will befurther tried to use, which will be a combination algorithm, and the IM client will befurther enhance.

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Computer network > General issues > Computer Network Security
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