TCC
2007
Springer
14 years 5 months ago
2007
Springer
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...
TCC
2007
Springer
14 years 5 months ago
2007
Springer
Abstract. One of the main open problems in secret sharing is the characterization of the access structures of ideal secret sharing schemes. As a consequence of the results by Brick...
TCC
2007
Springer
14 years 5 months ago
2007
Springer
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...
TCC
2007
Springer
14 years 5 months ago
2007
Springer
Abstract. Cryptographic protocols are often designed and analyzed under some trusted set-up assumptions, namely in settings where the participants have access to global information...
TCC
2007
Springer
14 years 5 months ago
2007
Springer
Abstract. Secret-sharing schemes are an important tool in cryptography that is used in the construction of many secure protocols. However, the shares’ size in the best known secr...
TCC
2007
Springer
14 years 5 months ago
2007
Springer
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...