Training
Featured CourseView All Courses
Get a free hour of SANS training

Experience SANS training through course previews.

Learn More
Learning Paths
FeaturedView all Focus Areas
Cloud Security Training
Can't find what you are looking for?

Let us help.

Contact us
Community Resources

SANS Community Benefits

Connect, learn, and share with other cybersecurity professionals

AI Risk & Readiness

Explore expert-driven guidance, training, and tools to help defend against AI-powered threats and adopt AI securely.

Join the SANS Community

Become a member for instant access to our free resources.

Sign Up
For Organizations

Public Sector

Mission-focused cybersecurity training for government, defense, and education

Partnerships

Explore industry-specific programming and customized training solutions

Sponsorship Opportunities

Sponsor a SANS event or research paper

Interested in developing a training plan to fit your organization’s needs?

We're here to help.

Contact Us
Talk With an Expert
Talk With an Expert

Analysis of a Secure Time Stamp Device

Download File
Analysis of a Secure Time Stamp Device (PDF, 1.77MB)Published: 17 Oct, 2001
Created by:
Chris Russell

This paper discusses the design of a Secure Time Stamp device used to securely timestamp digital data, such as computer documents, files, and raw binary data of arbitrary format. Thus, the device is used to prove two facts: Existence: That a file existed on a given date and time and Data Integrity: That the file was not altered since the time it was stamped.