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PKC
2007
Springer
144views Cryptology» more  PKC 2007»
14 years 1 months ago
Traceable Ring Signature
Abstract. The ring signature allows a signer to leak secrets anonymously, without the risk of identity escrow. At the same time, the ring signature provides great flexibility: No ...
Eiichiro Fujisaki, Koutarou Suzuki
TCC
2007
Springer
102views Cryptology» more  TCC 2007»
14 years 1 months ago
Perfect NIZK with Adaptive Soundness
Abstract. This paper presents a very simple and efficient adaptivelysound perfect NIZK argument system for any NP-language. In contrast to recently proposed schemes by Groth, Ostro...
Masayuki Abe, Serge Fehr
TCC
2007
Springer
91views Cryptology» more  TCC 2007»
14 years 1 months ago
Lower Bounds for Non-interactive Zero-Knowledge
Abstract. We establish new lower bounds and impossibility results for noninteractive zero-knowledge proofs and arguments with set-up assumptions. – For the common random string m...
Hoeteck Wee
TCC
2007
Springer
93views Cryptology» more  TCC 2007»
14 years 1 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 1 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