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EUROCRYPT
2010
Springer
14 years 15 days ago
Encryption Schemes Secure against Chosen-Ciphertext Selective Opening Attacks
Imagine many small devices send data to a single receiver, encrypted using the receiver’s public key. Assume an adversary that has the power to adaptively corrupt a subset of the...
Serge Fehr, Dennis Hofheinz, Eike Kiltz, Hoeteck W...
ACSAC
2001
IEEE
13 years 11 months ago
CONSEPP: CONvenient and Secure Electronic Payment Protocol Based on X9.59
The security of electronic payment protocols is of interest to researchers in academia and industry. While the ultimate objective is the safest and most secure protocol, convenien...
Albert Levi, Çetin Kaya Koç
FOCS
2010
IEEE
13 years 5 months ago
On the Insecurity of Parallel Repetition for Leakage Resilience
A fundamental question in leakage-resilient cryptography is: can leakage resilience always be amplified by parallel repetition? It is natural to expect that if we have a leakage-r...
Allison B. Lewko, Brent Waters
AFRICACRYPT
2010
Springer
14 years 2 months ago
Flexible Group Key Exchange with On-demand Computation of Subgroup Keys
Modern multi-user communication systems, including popular instant messaging tools, social network platforms, and cooperative-work applications, offer flexible forms of communica...
Michel Abdalla, Céline Chevalier, Mark Manu...
NSPW
2006
ACM
14 years 1 months ago
Googling considered harmful
Virtually every Internet user on the planet uses the powerful free tools offered by a handful of information service providers in many aspects of their personal and professional l...
Gregory J. Conti