摘 要:数字签名技术是保证信息安全的重要技术之一,被广泛应用于通信、军事、医疗、电子政务以及电子商务等领域。本论文首先介绍了课题的研究背景和意义,然后分析数字签名的研究现状和未来发展趋势。紧接着介绍了数字签名的相关技术。最后用了较多篇幅介绍数字签名系统的设计与实现。该系统的优点体现在能有效地防止了信息传输过程中可能出现的非法的修改、恶意删除、重放和伪造攻击等情况的发生。6111
关键词:网络安全;密码学;数字签名;通信;
Design and Implementation of Digital Signature System
Abstract:Digital signature is one of the important techniques for information security. This is widely applied to tele-communication military, medical care system, e-government and e-commerce, etc. First of all, this essay talks about the background and meaning of the task and analyzes the current situation and trend of digital signature. Second, this essay points out the relevant information of digital signature. Third, this essay talks a lot about the design and realization of digital signature. The merits of this system lies in that it can effectively prevent illegal modification and spite, delete, reset, information forge and attack in the process of information convey.
Key words: Network security; Cryptography; Digital signature; Communication;
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