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SACMAT
2009
ACM
14 years 2 months ago
A formal framework to elicit roles with business meaning in RBAC systems
The role-based access control (RBAC) model has proven to be cost effective to reduce the complexity and costs of access permission management. To maximize the advantages offered...
Alessandro Colantonio, Roberto Di Pietro, Alberto ...
ACSAC
2005
IEEE
14 years 3 months ago
PorKI: Making User PKI Safe on Machines of Heterogeneous Trustworthiness
As evidenced by the proliferation of phishing attacks and keystroke loggers, we know that human beings are not wellequipped to make trust decisions about when to use their passwor...
Sara Sinclair, Sean W. Smith
ICPR
2002
IEEE
14 years 2 months ago
Biometric Hash based on Statistical Features of Online Signatures
This paper presents a new approach to generate biometric hash values based on statistical features in online signature signals. Whilst the output of typical online signature verif...
Claus Vielhauer, Ralf Steinmetz, Astrid Mayerh&oum...
EUROPKI
2004
Springer
14 years 1 months ago
On the Synergy Between Certificate Verification Trees and PayTree-like Micropayments
Abstract. A substantial number of micropayment schemes in the literature are based on distributing the cost of a digital signature over several successive micropayments (e.g. Paywo...
Josep Domingo-Ferrer
VLDB
2007
ACM
161views Database» more  VLDB 2007»
14 years 10 months ago
Proof-Infused Streams: Enabling Authentication of Sliding Window Queries On Streams
As computer systems are essential components of many critical commercial services, the need for secure online transactions is now becoming evident. The demand for such application...
Feifei Li, Ke Yi, Marios Hadjieleftheriou, George ...