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» Idealizing Identity-Based Encryption
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JUCS
2007
96views more  JUCS 2007»
14 years 10 months ago
Constant Size Ciphertext HIBE in the Augmented Selective-ID Model and its Extensions
At Eurocrypt 2005, Boneh, Boyen and Goh presented a constant size ciphertext hierarchical identity based encryption (HIBE) protocol. Our main contribution is to present a variant ...
Sanjit Chatterjee, Palash Sarkar
ACNS
2004
Springer
131views Cryptology» more  ACNS 2004»
15 years 2 months ago
Evaluating Security of Voting Schemes in the Universal Composability Framework
In the literature, voting protocols are considered secure if they satisfy requirements such as privacy, accuracy, robustness, etc. It can be time consuming to evaluate a voting pr...
Jens Groth
103
Voted
PKC
2009
Springer
240views Cryptology» more  PKC 2009»
15 years 11 months ago
Distributed Public-Key Cryptography from Weak Secrets
Abstract.We introduce the notion of distributed password-based publickey cryptography, where a virtual high-entropy private key is implicitly dened as a concatenation of low-entrop...
Céline Chevalier, David Pointcheval, Michel...
PKC
2005
Springer
192views Cryptology» more  PKC 2005»
15 years 3 months ago
Securing RSA-KEM via the AES
RSA-KEM is a popular key encapsulation mechanism that combines the RSA trapdoor permutation with a key derivation function (KDF). Often the details of the KDF are viewed as orthogo...
Jakob Jonsson, Matthew J. B. Robshaw
EUROCRYPT
2001
Springer
15 years 2 months ago
Analysis of Key-Exchange Protocols and Their Use for Building Secure Channels
Abstract. We present a formalism for the analysis of key-exchange protocols that combines previous definitional approaches and results in a definition of security that enjoys som...
Ran Canetti, Hugo Krawczyk