大学毕业论文设计 - 电子商务中数字签名的应用研究

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电子商务中数字签名的应用研究

摘要

随着信息技术日新月异的发展，人类正在进入以网络为主的信息时代，基于Internet开展的电子商务己逐渐成为人们进行商务活动的新模式，越来越多的人通过Internet进行商务活动，电子商务的发展前景十分诱人。但如何保障电子商务交易的安全并促进其自身的发展，建立电子商务信用机制，是当前面临的一个重大问题，除了要在理论和立法上加强和完善信用法制的建设之外，采用与信息安全和身份认证等有关的加密技术已成为解决电子商务安全的关键问题，必须采用先进的安全技术对网上的数据、信息发送方、接收方进行身份确认，以保证各方信息传递的安全性、完整性、可靠性和交易的不可抵赖性。人们通过网络可以获取大量的信息，也可以通过网络传递大量的信息，那么如何确认这些信息的正确性？特别是涉及电子商务方面的问题，如何防止交易方抵赖避免自己蒙受损失，如何避免人伪造文件以及签署文件等等。对于这些问题，如何解决，本课题的研究内容数字签名技术就是为了解决这方面的问题的。

关键词 数字签名；电子商务；盲签名；电子现金；电子投票

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Abstract

With the rapid development of information technology, human beings are entering a web-based information age, Internet-based e-commerce has been carried out by people gradually become a new model of business activities, more and more people through the Internet to conduct business activities, prospects for the development of e-commerce is very attractive. But how to protect the security of e-commerce transactions and to promote its own development, the establishment of e-commerce credit mechanism, is currently facing a major problem, in addition to theory and legislation to strengthen and improve the credit of building the rule of law, the use of information security and authentication technologies such as encryption of e-commerce security has become the key to solve the problem, we must adopt advanced technology for online security of data, information sender, the identity of the recipient to confirm that all parties to ensure the safety of information transmission, complete , reliability and non-repudiation of transactions. Network can be accessed through a lot of information transmission through the network can also be a wealth of information, how to confirm the correctness of this information? Particularly in relation to the issue of e-commerce, how to prevent side to deny the transaction to avoid their own losses, how to avoid people to sign documents and forgery of documents and so on. For these problems, how to resolve this issue digital signature technology research is to solve this problem.

Keywords digital signature；electronic commerce；blind signature；electronic cash；electronic voting

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目录

摘要 ........................................................................................................................................ I Abstract ................................................................................................................................. II

第1章 绪论 ......................................................................................................................... 1

1.1 研究背景 ................................................................................................................ 1 1.2 国内外研究现状 .................................................................................................... 1 1.3 本文主要研究内容 ................................................................................................ 3 1.4 本文研究方法 ........................................................................................................ 3 第2章 论文研究理论基础 ................................................................................................. 4

2.1 电子商务 ................................................................................................................ 4

2.1.1 电子商务的概念 ......................................................................................... 4 2.1.2 电子商务的特征 ......................................................................................... 4 2.1.3 电子商务的功能 ......................................................................................... 5 2.2 数字签名 ................................................................................................................ 6

2.2.1 数字签名的涵义 ......................................................................................... 6 2.2.2 数字签名的特点 ......................................................................................... 6 2.2.3 数字签名的算法 ......................................................................................... 7 2.3 电子商务中数字签名的技术实现 ........................................................................ 7

2.3.1 数字签名与验证过程 ................................................................................. 7 2.3.2 数字签名的作用 ......................................................................................... 8 2.3.3 盲签名 ......................................................................................................... 8

第3章 我国数字签名存在的问题及分析 ....................................................................... 10

3.1 我国数字签名存在的问题 .................................................................................. 10 3.2 解决我国数字签名存在问题的策略 .................................................................. 10 第4章 盲签名在电子商务中的应用 ............................................................................... 12

4.1 电子现金 .............................................................................................................. 12

4.1.1 电子现金的知识 ....................................................................................... 12 4.1.2 电子现金的模型 ....................................................................................... 13

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4.2 电子投票 .............................................................................................................. 14

4.2.1 电子投票的知识 ....................................................................................... 14 4.2.2 电子投票的模型 ....................................................................................... 15

结论 ..................................................................................................................................... 17 致谢 ..................................................................................................................................... 18 参考文献 ............................................................................................................................. 18 附录 ..................................................................................................................................... 19