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TCC
2007
Springer
93views Cryptology» more  TCC 2007»
14 years 3 months ago
Intrusion-Resilient Key Exchange in the Bounded Retrieval Model
Abstract. We construct an intrusion-resilient symmetric-key authenticated key exchange (AKE) protocol in the bounded retrieval model. The model employs a long shared private key to...
David Cash, Yan Zong Ding, Yevgeniy Dodis, Wenke L...
TCC
2007
Springer
114views Cryptology» more  TCC 2007»
14 years 3 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 2 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