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TCC
2007
Springer
114views Cryptology» more  TCC 2007»
14 years 4 months ago
Multi-authority Attribute Based Encryption
Abstract. In an identity based encryption scheme, each user is identified by a unique identity string. An attribute based encryption scheme (ABE), in contrast, is a scheme in whic...
Melissa Chase
ACNS
2006
Springer
81views Cryptology» more  ACNS 2006»
14 years 3 months ago
A Handy Multi-coupon System
A coupon is an electronic data that represents the right to access a service provided by a service provider (e.g. gift certificates or movie tickets). Recently, a privacyprotectin...
Sébastien Canard, Aline Gouget, Emeline Huf...
ACNS
2006
Springer
92views Cryptology» more  ACNS 2006»
14 years 3 months ago
Real Perfect Contrast Visual Secret Sharing Schemes with Reversing
The visual secret sharing (VSS for short) scheme is a secret image sharing scheme. A secret image is visually revealed from overlapping shadow images without additional computation...
Ching-Nung Yang, Chung-Chun Wang, Tse-Shih Chen
CSFW
2005
IEEE
14 years 3 months ago
A Cryptographically Sound Dolev-Yao Style Security Proof of an Electronic Payment System
We present the first cryptographically sound Dolev-Yaostyle security proof of a comprehensive electronic payment system. The payment system is a slightly simplified variant of t...
Michael Backes, Markus Dürmuth
DSN
2005
IEEE
14 years 3 months ago
Neutralization of Errors and Attacks in Wireless Ad Hoc Networks
This paper proposes and evaluates strategies to build reliable and secure wireless ad hoc networks. Our contribution is based on the notion of inner-circle consistency, where loca...
Claudio Basile, Zbigniew Kalbarczyk, Ravishankar K...