Sciweavers
Explore
Publications
Books
Software
Tutorials
Presentations
Lectures Notes
Datasets
Labs
Conferences
Community
Upcoming
Conferences
Top Ranked Papers
Most Viewed Conferences
Conferences by Acronym
Conferences by Subject
Conferences by Year
Tools
Sci2ools
International Keyboard
Graphical Social Symbols
CSS3 Style Generator
OCR
Web Page to Image
Web Page to PDF
Merge PDF
Split PDF
Latex Equation Editor
Extract Images from PDF
Convert JPEG to PS
Convert Latex to Word
Convert Word to PDF
Image Converter
PDF Converter
Community
Sciweavers
About
Terms of Use
Privacy Policy
Cookies
35
click to vote
CRYPTO
1990
Springer
78
views
Cryptology
»
more
CRYPTO 1990
»
How to Time-Stamp a Digital Document
14 years 4 months ago
Download
www.anf.es
The prospect of a world in which all text, audio, picture, and video documents are in digital form on easily modi able media raises the issue of how to certify when a document was...
Stuart Haber, W. Scott Stornetta
claim paper
Read More »