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AFRICACRYPT
2010
Springer
15 years 4 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...
CCS
2008
ACM
14 years 11 months ago
Securing group key exchange against strong corruptions
When users run a group key exchange (GKE) protocol, they usually extract the key from some auxiliary (ephemeral) secret information generated during the execution. Strong corrupti...
Emmanuel Bresson, Mark Manulis
ICDCSW
2003
IEEE
15 years 3 months ago
Toward a Security Architecture for Smart Messages: Challenges, Solutions, and Open Issues
Smart Messages (SMs) are migratory execution units used to describe distributed computations over mobile ad hoc networks of embedded systems. The main benefits provided by SMs ar...
Gang Xu, Cristian Borcea, Liviu Iftode
ACMSE
2009
ACM
14 years 7 months ago
A secure unidirectional proxy re-encryption using identity and secret key exchange
Proxy re-encryption, abbreviated as PRE, is a cryptosystem which allows the proxy to re-encrypt a cirphertext without accessing the underlying message. The re-encryption protocol ...
Edna Milgo
ESORICS
2003
Springer
15 years 2 months ago
Symmetric Authentication within a Simulatable Cryptographic Library
Abstract. Proofs of security protocols typically employ simple abstractions of cryptographic operations, so that large parts of such proofs pendent of cryptographic details. The ty...
Michael Backes, Birgit Pfitzmann, Michael Waidner