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» On the Design and Security of RC2
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IWCMC
2009
ACM
16 years 1 months ago
Dynamic trust establishment in emergency ad hoc networks
This paper proposes a dynamic trust establishment protocol that enables the nodes of an ad hoc network to establish security associations among each other in a distributed and pee...
Christos A. Papageorgiou, Konstantinos Birkos, Tas...
CCS
2007
ACM
16 years 29 days ago
Alpaca: extensible authorization for distributed services
Traditional Public Key Infrastructures (PKI) have not lived up to their promise because there are too many ways to define PKIs, too many cryptographic primitives to build them wi...
Chris Lesniewski-Laas, Bryan Ford, Jacob Strauss, ...
ICS
2003
Tsinghua U.
16 years 6 hour ago
AEGIS: architecture for tamper-evident and tamper-resistant processing
We describe the architecture for a single-chip aegis processor which can be used to build computing systems secure against both physical and software attacks. Our architecture ass...
G. Edward Suh, Dwaine E. Clarke, Blaise Gassend, M...
SOUPS
2010
ACM
15 years 10 months ago
A closer look at recognition-based graphical passwords on mobile devices
Graphical password systems based on the recognition of photographs are candidates to alleviate current over-reliance on alphanumeric passwords and PINs. However, despite being bas...
Paul Dunphy, Andreas P. Heiner, N. Asokan
SP
2010
IEEE
226views Security Privacy» more  SP 2010»
15 years 10 months ago
Chip and PIN is Broken
—EMV is the dominant protocol used for smart card payments worldwide, with over 730 million cards in circulation. Known to bank customers as “Chip and PIN”, it is used in Eur...
Steven J. Murdoch, Saar Drimer, Ross J. Anderson, ...