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IJACT
2008
76views more  IJACT 2008»
13 years 4 months ago
A tapestry of identity-based encryption: practical frameworks compared
Abstract: This paper surveys the practical benefits and drawbacks of several identitybased encryption schemes based on bilinear pairings. After providing some background on identit...
Xavier Boyen
IJACT
2008
86views more  IJACT 2008»
13 years 4 months ago
Securing group key exchange against strong corruptions and key registration attacks
: In Group Key Exchange (GKE) protocols, users usually extract the group key using some auxiliary (ephemeral) secret information generated during the execution. Strong corruptions ...
Emmanuel Bresson, Mark Manulis
IJACT
2008
102views more  IJACT 2008»
13 years 4 months ago
An optimistic fair exchange protocol and its security in the universal composability framework
: Fair exchange protocols allow both or neither of two parties to obtain the other's items, and this property is essential in e-commerce. In this paper, we construct an optimi...
Yusuke Okada, Yoshifumi Manabe, Tatsuaki Okamoto
IJACT
2008
101views more  IJACT 2008»
13 years 4 months ago
Practical key-recovery attack against APOP, an MD5-based challenge-response authentication
Abstract: Hash functions are used in many cryptographic constructions under various assumptions, and the practical impact of collision attacks is often unclear. In this paper, we s...
Gaëtan Leurent