1769 search results - page 248 / 354 » Cryptography |
TCC
2007
Springer
14 years 4 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 4 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 4 months ago
2007
Springer
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...
TCC
2007
Springer
14 years 4 months ago
2007
Springer
Abstract. Algorithmic progress and future technology threaten today’s cryptographic protocols. Long-term secure protocols should not even in future reveal more information to a...
TCC
2007
Springer
14 years 4 months ago
2007
Springer
We prove a computational soundness theorem for symmetric-key encryption protocols that can be used to analyze security against adaptively corrupting adversaries (that is, adversar...