Sciweavers

IFIP
2010
Springer
13 years 6 months ago
Cryptographic Enforcement of Role-Based Access Control
Many cryptographic schemes have been designed to enforce information flow policies. However, enterprise security requirements are often better encoded, or can only be encoded, usin...
Jason Crampton
SERP
2010
13 years 9 months ago
Role Explosion: Acknowledging the Problem
- In large enterprises subject to constant employee turnover and challenging security policies, the administration of Role-based Access Control (RBAC) is a daunting task that is of...
Aaron Elliott, Scott Knight
SAC
2008
ACM
13 years 11 months ago
A cost-driven approach to role engineering
In recent years role-based access control (RBAC) has been spreading within organizations. However, companies still have considerable difficulty migrating to this model, due to the...
Alessandro Colantonio, Roberto Di Pietro, Alberto ...
GRID
2007
Springer
13 years 11 months ago
Managing Role-Based Access Control Policies for Grid Databases in OGSA-DAI Using CAS
In this paper, we present a role-based access control method for accessing databases through the Open Grid Services Architecture – Data Access and Integration (OGSA-DAI) framewor...
Anil L. Pereira, Vineela Muppavarapu, Soon M. Chun...
CORR
2008
Springer
118views Education» more  CORR 2008»
13 years 11 months ago
An Activity-Based Model for Separation of Duty
This paper offers several contributions for separation of duty (SoD) administration in role-based access control (RBAC) systems. We first introduce a new formal framework, based o...
Alessandro Colantonio, Roberto Di Pietro, Alberto ...
SEC
2000
14 years 23 days ago
A Context-Sensitive Access Control Model and Prototype Implementation
: Role-based access control associates roles with privileges and users with roles. Changes to these associations are infrequent and explicit. This may not reflect business requirem...
Damian G. Cholewka, Reinhardt A. Botha, Jan H. P. ...
IADIS
2003
14 years 24 days 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...
ESORICS
2006
Springer
14 years 3 months ago
Delegation in Role-Based Access Control
User delegation is a mechanism for assigning access rights available to a user to another user. A delegation operation can either be a grant or transfer operation. Delegation for r...
Jason Crampton, Hemanth Khambhammettu
CCS
2007
ACM
14 years 3 months ago
Efficient policy analysis for administrative role based access control
Administrative RBAC (ARBAC) policies specify how Role-Based Access Control (RBAC) policies may be changed by each administrator. It is often difficult to fully understand the effe...
Scott D. Stoller, Ping Yang, C. R. Ramakrishnan, M...
WETICE
1996
IEEE
14 years 3 months ago
Role-based security for distributed object systems
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...
Nicholas Yialelis, Emil Lupu, Morris Sloman