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ACNS
2008
Springer
147views Cryptology» more  ACNS 2008»
15 years 5 months ago
Multi-factor Authenticated Key Exchange
Abstract. In order to increase the security for authenticated key exchange protocols, various authentication means can be used together. In this paper, we introduce a security mode...
David Pointcheval, Sébastien Zimmer
EUROCRYPT
2000
Springer
15 years 2 months ago
Information-Theoretic Key Agreement: From Weak to Strong Secrecy for Free
One of the basic problems in cryptography is the generation of a common secret key between two parties, for instance in order to communicate privately. In this paper we consider in...
Ueli M. Maurer, Stefan Wolf
EUROCRYPT
2007
Springer
15 years 3 months ago
A Fast and Key-Efficient Reduction of Chosen-Ciphertext to Known-Plaintext Security
Motivated by the quest for reducing assumptions in security proofs in cryptography, this paper is concerned with designing efficient symmetric encryption and authentication schemes...
Ueli M. Maurer, Johan Sjödin
JCS
2010
104views more  JCS 2010»
14 years 9 months ago
Finding the PKI needles in the Internet haystack
Public-key cryptography can uniquely enable trust within distributed settings. Employing it usually requires deploying a set of tools and services collectively known as a public k...
Massimiliano Pala, Sean W. Smith
ACNS
2010
Springer
154views Cryptology» more  ACNS 2010»
15 years 4 months ago
Shrinking the Keys of Discrete-Log-Type Lossy Trapdoor Functions
To this day, realizations in the standard-model of (lossy) trapdoor functions from discrete-log-type assumptions require large public key sizes, e.g., about Θ(λ2 ) group elements...
Xavier Boyen, Brent Waters