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CSFW
2007
IEEE
16 years 26 days ago
Approximated Computationally Bounded Simulation Relations for Probabilistic Automata
We study simulation relations for Probabilistic Automata that require transitions to be matched up to negligible sets provided that computation lengths are polynomially bounded. T...
Roberto Segala, Andrea Turrini
ESORICS
2007
Springer
16 years 21 days ago
Adaptive Soundness of Static Equivalence
Abstract. We define a framework to reason about implementations of equational theories in the presence of an adaptive adversary. We particularly focus on soundess of static equiva...
Steve Kremer, Laurent Mazaré
HIP
2005
Springer
168views Cryptology» more  HIP 2005»
16 years 1 days ago
Leveraging the CAPTCHA Problem
Efforts to defend against automated attacks on e-commerce services have led to a new security protocol known as a CAPTCHA, a challenge designed to exploit gaps in the perceptual a...
Daniel P. Lopresti
MMSEC
2004
ACM
121views Multimedia» more  MMSEC 2004»
15 years 12 months ago
Counteracting Oracle attacks
In the paper, we address oracle attacks for integrity watermarking in a communication setting. We show how an integrity verification algorithm can be modified in order to counte...
Ilaria Venturini
CLADE
2003
IEEE
15 years 11 months ago
Autonomic Optimization of an Oil Reservoir using Decentralized Services
The Grid community is actively working on defining, deploying and standardizing protocols, mechanisms, and infrastructure to support decentralized, seamless, and secure interacti...
Vincent Matossian, Manish Parashar