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» The Role of Cryptography in Database Security
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SAC
2008
ACM
13 years 7 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 ...
SACMAT
2006
ACM
14 years 1 months ago
Fine-grained role-based delegation in presence of the hybrid role hierarchy
Delegation of authority is an important process that needs to be captured by any access control model. In role-based access control models, delegation of authority involves delega...
James B. D. Joshi, Elisa Bertino
CAU
2004
192views Cryptology» more  CAU 2004»
13 years 9 months ago
Encrypted? Randomised? Compromised? (When Cryptographically Secured Data is Not Secure)
Protecting data is not simply a case of encrypt and forget: even data with full cryptographic confidentiality and integrity protection can still be subject to information leakage. ...
Mike Bond, Jolyon Clulow
STORAGESS
2005
ACM
14 years 1 months ago
Pvault: a client server system providing mobile access to personal data
In this paper we describe the design for the Pvault software, which is a personal data manager that stores and retrieves data from a remote untrusted data server securely. The maj...
Ravi Chandra Jammalamadaka, Sharad Mehrotra, Nalin...
ECUMN
2007
Springer
13 years 11 months ago
Improved User Identity Confidentiality for UMTS Mobile Networks
In UMTS mobile networks, there are some circumstances that the International Mobile Subscriber Identity (IMSI) of a user is conveyed in clear-text over the radio interface. Such s...
Behnam Sattarzadeh, Mahdi Asadpour, Rasool Jalili