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CCS
2010
ACM
13 years 4 months ago
Practical leakage-resilient identity-based encryption from simple assumptions
We provide new constructions of Leakage-Resilient IdentityBased Encryption systems (IBE) in the Standard model. We apply a hash proof technique in the existing IBE schemes of Bone...
Sherman S. M. Chow, Yevgeniy Dodis, Yannis Rousela...
ACNS
2004
Springer
167views Cryptology» more  ACNS 2004»
13 years 8 months ago
A Fully-Functional Group Signature Scheme over Only Known-Order Group
The concept of group signature allows a group member to sign message anonymously on behalf of the group. In the event of a dispute, a designated entity can reveal the identity of a...
Atsuko Miyaji, Kozue Umeda
ASIACRYPT
2007
Springer
13 years 10 months ago
Fully Anonymous Group Signatures Without Random Oracles
We construct a new group signature scheme using bilinear groups. The group signature scheme is practical, both keys and group signatures consist of a constant number of group elem...
Jens Groth
INDOCRYPT
2004
Springer
13 years 9 months ago
Revisiting Fully Distributed Proxy Signature Schemes
In a proxy signature scheme, a potential signer delegates his capabilities to a proxy signer, who can sign documents on behalf of him. The recipient of the signature verifies both...
Javier Herranz, Germán Sáez
TIFS
2010
171views more  TIFS 2010»
12 years 11 months ago
A method for automatic identification of signatures of steganography software
Abstract--A fully automated, blind, media-type agnostic approach to steganalysis is presented here. Steganography may sometimes be exposed by detecting automatically characterized ...
Graeme Bell, Yeuan-Kuen Lee