309 search results - page 26 / 62 » A Type System for Expressive Security Policies |
CSFW
2007
IEEE
14 years 1 months ago
2007
IEEE
We address the programmatic realization of the access control model of security in distributed systems. Our aim is e the gap between abstract/declarative policies and their concre...
ECOOPW
1999
Springer
13 years 12 months ago
1999
Springer
Existing authorization mechanisms fail to provide powerful and robust tools for handling security at the scale necessary for today's Internet. These mechanisms are coming unde...
ENTCS
2007
13 years 7 months ago
2007
An access control system regulates the rights of users to gain access to resources in accordance with a specified policy. The rules in this policy may interact in a way that is n...
CCS
2008
ACM
13 years 9 months ago
2008
ACM
This paper presents the first type system for statically analyzing security protocols that are based on zero-knowledge proofs. We show how several properties offered by zero-knowl...
SACMAT
2006
ACM
14 years 1 months ago
2006
ACM
We introduce the concept, model, and policy-specific algorithms for inferring new access control decisions from previous ones. Our secondary and approximate authorization model (...