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
34
click to vote
SICHERHEIT
2010
186
views
Security Privacy
»
more
SICHERHEIT 2010
»
CAPTCHAs: The Good, the Bad, and the Ugly
13 years 9 months ago
Download
www.minicrypt.cdc.informatik.tu-darmstadt.de
A CAPTCHA is a program that generates challenges that are easy to solve for humans but difficult to solve for computers. The most common CAPTCHAs today are text-based ones where a ...
Paul Baecher, Marc Fischlin, Lior Gordon, Robert L...
claim paper
Read More »