AAAI
2007
14 years 2 months ago
2007
The practical success of broadcast encryption hinges on the ability to (1) revoke the access of compromised keys and (2) determine which keys have been compromised. In this work w...
ICMCS
2006
IEEE
14 years 6 months ago
2006
IEEE
In this paper we study the traitor tracing problem, a technique to help combat piracy of copyrighted materials. When a pirated copy of the material is observed, a traitor tracing ...