带有时间戳的数字签名方案的安全性分析

The Analysis of Digital Signature System with Digital Time-Stamp

本文从时间戳的概念出发,分析了时间戳的权威性和可信性;给出了带有时间戳的数字签名方案,从数字文件加上时间戳的实现过程中,逐步分析了带有时间戳的数字签名方案的安全性问题和解决方法,并进一步分析了影响时间戳进度的因素。

The thesis focuses on the conception of digital time-stamp,analyses the authenticity and credibility,provides the digital signature system with digital time-stamp.In the process of adding digital time-stamp to digital files,the thesis gradually analyses the safety problem in the system and solution.