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» Security, Protocols, and Trust
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CCS
2003
ACM
14 years 3 months ago
Using graphic turing tests to counter automated DDoS attacks against web servers
We present WebSOS, a novel overlay-based architecture that provides guaranteed access to a web server that is targeted by a denial of service (DoS) attack. Our approach exploits t...
William G. Morein, Angelos Stavrou, Debra L. Cook,...
SACMAT
2004
ACM
14 years 3 months ago
Using trust and risk in role-based access control policies
Emerging trust and risk management systems provide a framework for principals to determine whether they will exchange resources, without requiring a complete definition of their ...
Nathan Dimmock, András Belokosztolszki, Dav...
ESORICS
1998
Springer
14 years 2 months ago
Authentication and Payment in Future Mobile Systems
Abstract. This article presents an efficient public-key protocol for mutual authentication and key exchange designed for third generation mobile communications systems. The paper a...
Günther Horn, Bart Preneel
FC
2010
Springer
196views Cryptology» more  FC 2010»
13 years 11 months ago
Secure Computation with Fixed-Point Numbers
Abstract. Secure computation is a promising approach to business problems in which several parties want to run a joint application and cannot reveal their inputs. Secure computatio...
Octavian Catrina, Amitabh Saxena
NTMS
2008
IEEE
14 years 4 months ago
On the Authentication of RFID Systems with Bitwise Operations
—Due to the stringent computational capabilities of low-cost RFID tags, many lightweight authentication protocols have been proposed recently aiming to achieve secure authenticat...
Basel Alomair, Radha Poovendran