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LPAR
2007
Springer
15 years 8 months ago
Deciding Knowledge in Security Protocols for Monoidal Equational Theories
Abstract. In formal approaches, messages sent over a network are usually modeled by terms together with an equational theory, axiomatizing the properties of the cryptographic funct...
Véronique Cortier, Stéphanie Delaune
113
Voted
TCC
2007
Springer
96views Cryptology» more  TCC 2007»
15 years 8 months ago
Securely Obfuscating Re-encryption
Abstract. We present the first positive obfuscation result for a traditional cryptographic functionality. This positive result stands in contrast to well-known negative impossibil...
Susan Hohenberger, Guy N. Rothblum, Abhi Shelat, V...
124
Voted
ACSAC
2009
IEEE
15 years 7 months ago
A Guided Tour Puzzle for Denial of Service Prevention
Abstract—Various cryptographic puzzle schemes are proposed as a defense mechanism against denial of service attack. But, all these puzzle schemes face a dilemma when there is a l...
Mehmud Abliz, Taieb Znati
115
Voted
ACISP
2009
Springer
15 years 6 months ago
Efficiency Bounds for Adversary Constructions in Black-Box Reductions
Abstract. We establish a framework for bounding the efficiency of cryptographic reductions in terms of their security transfer. While efficiency bounds for the reductions have been...
Ahto Buldas, Aivo Jürgenson, Margus Niitsoo
118
Voted
EUROCRYPT
2006
Springer
15 years 6 months ago
Private Circuits II: Keeping Secrets in Tamperable Circuits
Abstract. Motivated by the problem of protecting cryptographic hardware, we continue the investigation of private circuits initiated in [16]. In this work, our aim is to construct ...
Yuval Ishai, Manoj Prabhakaran, Amit Sahai, David ...