309 search results - page 31 / 62 » An Access-Control Framework for WS-BPEL |
SRDS
2003
IEEE
14 years 1 months ago
2003
IEEE
We demonstrate that symmetric-key cryptography can be used for both read and write access control. One-time write access can be granted by handing over an encryption key, and our ...
WETICE
1996
IEEE
14 years 4 days ago
1996
IEEE
This paper describes a security architecture designed to support role-based access control for distributed object systems in a large-scale, multi-organisational enterprise in whic...
ECIS
2000
13 years 9 months ago
2000
The concept of context-dependent access control has emerged during the last years: Information about the state of a process model of a working environment is combined with general ...
CSFW
2003
IEEE
14 years 1 months ago
2003
IEEE
This paper defines a framework in which one can formalize a variety of authorization and policy issues that arise in access control of shared computing resources. Instantiations ...
CCS
2005
ACM
14 years 1 months ago
2005
ACM
In automated trust negotiation (ATN), two parties exchange digitally signed credentials that contain attribute information to establish trust and make access control decisions. Be...