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CSI
2007
91views more  CSI 2007»
15 years 5 months ago
Implementing regular cash with blind fixed-value electronic coins
We propose a generic framework for the development of an off-line peer-to-peer electronic payment system with fixed-value electronic coins. The proposed scheme simulates the issua...
Dimitrios Lekkas, Diomidis Spinellis
FGCS
2002
89views more  FGCS 2002»
15 years 4 months ago
The Legion support for advanced parameter-space studies on a grid
Parameter-space studies involve running a single application several times with different parameter sets. Since the jobs are mutually independent, many computing resources can be r...
Anand Natrajan, Marty A. Humphrey, Andrew S. Grims...
MOBISYS
2009
ACM
16 years 5 months ago
Attacks on public WLAN-based positioning systems
In this work, we study the security of public WLAN-based positioning systems. Specifically, we investigate the Skyhook positioning system, available on PCs and used on a number of...
Nils Ole Tippenhauer, Kasper Bonne Rasmussen, Chri...
IEEEARES
2009
IEEE
15 years 11 months ago
Revealing the Calling History of SIP VoIP Systems by Timing Attacks
Many emergent security threats which did not exist in the traditional telephony network are introduced in SIP VoIP services. To provide high-level security assurance to SIP VoIP s...
Ge Zhang, Simone Fischer-Hübner, Leonardo A. ...
IDTRUST
2009
ACM
15 years 11 months ago
A calculus of trust and its application to PKI and identity management
We introduce a formal semantics based calculus of trust that explicitly represents trust and quantifies the risk associated with trust in public key infrastructure (PKI) and iden...
Jingwei Huang, David Nicol