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计算机工程 ›› 2006, Vol. 32 ›› Issue (15): 140-142. doi: 10.3969/j.issn.1000-3428.2006.15.050

• 安全技术 • 上一篇    下一篇

电子文档时间戳的新探讨

蔡方萍1;张毅萍2   

  1. 1. 中国科学技术大学研究生院,北京 100039;2. 北京航空航天大学计算机学院,北京 100083
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2006-08-05 发布日期:2006-08-05

A New Discussion for Digital Time-stamping of Electronic Document

CAI Fangping1;ZHANG Yiping2   

  1. 1. Graduate School, University of Science & Technology of China, Beijing 100039; 2. Institute of Computer, Beijing University of Aeronautics and Astronautics, Beijing 100083
  • Received:1900-01-01 Revised:1900-01-01 Online:2006-08-05 Published:2006-08-05

摘要: 描述了文件数字时间戳的处理过程,介绍了处理过程的基本必要条件和固有的可能存在的问题,以及解决这些问题的方法和技术。同时分析了一种时间戳的新方法-减少戳的确认时间,最后探讨实施了如何处理匿名性等几个方面的问题。

关键词: 时间戳认证, 时间戳, 数字时间戳服务, 服务凭据

Abstract: This article describes the process of digital time-stamping of document. It presents the basic requirements and possible problems inherent to the process and methods and techniques solving these problems. It also presents a new method of time-stamping that reduces the verification time of a stamp. Finally some aspects of implementation are discussed.

Key words: Digital time-stamping (TSA), Time-stamping(TS), Digital time-stamping service(DTS), Ticket