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CCS
2006
ACM
14 years 1 months ago
Beyond separation of duty: an algebra for specifying high-level security policies
A high-level security policy states an overall requirement for a sensitive task. One example of a high-level security policy is a separation of duty policy, which requires a sensi...
Ninghui Li, Qihua Wang
KDD
2009
ACM
168views Data Mining» more  KDD 2009»
14 years 4 months ago
CAPTCHA-based image labeling on the Soylent Grid
We introduce an open labeling platform for Computer Vision researchers based on Captchas, creating as a byproduct labeled image data sets while supporting web security. For the tw...
Peter Faymonville, Kai Wang, John Miller, Serge J....
CCS
1993
ACM
14 years 2 months ago
Why Cryptosystems Fail
Designers of cryptographic systems are at a disadvantage to most other engineers, in that information on how their systems fail is hard to get: their major users have traditionall...
Ross J. Anderson
IADIS
2003
13 years 11 months ago
Integrating RBAC Mechanisms in a Web Server
Hypermedia systems (whether web sites or not) should support multilevel policiesm, offering different views and manipulation abilities of the same information to users with differ...
Daniel Sanz-García, Paloma Díaz, Ign...
CCR
2000
78views more  CCR 2000»
13 years 10 months ago
Some guidelines for non-repudiation protocols
Non-repudiation protocols aim at preventing parties in a communication from falsely denying having taken part in that communication; for example, a non-repudiation protocol for di...
Panagiotis Louridas