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PKC
2012
Springer
182views Cryptology» more  PKC 2012»
12 years 1 months ago
From Selective to Full Security: Semi-generic Transformations in the Standard Model
Michel Abdalla, Dario Fiore, Vadim Lyubashevsky
PKC
2012
Springer
212views Cryptology» more  PKC 2012»
12 years 1 months ago
Security of Blind Signatures Revisited
We revisit the deļ¬nition of unforgeability of blind signatures as proposed by Pointcheval and Stern (Journal of Cryptology 2000). Surprisingly, we show that this established deļ¬...
Dominique Schröder, Dominique Unruh
PKC
2012
Springer
235views Cryptology» more  PKC 2012»
12 years 1 months ago
Outsider-Anonymous Broadcast Encryption with Sublinear Ciphertexts
Abstract. In the standard setting of broadcast encryption, information about the receivers is transmitted as part of the ciphertext. In several broadcast scenarios, however, the id...
Nelly Fazio, Irippuge Milinda Perera
PKC
2012
Springer
235views Cryptology» more  PKC 2012»
12 years 1 months ago
Improved Security for Linearly Homomorphic Signatures: A Generic Framework
ded abstract of this work will appear in Public Key Cryptography ā€” PKC 2012. This is the full version. We propose a general framework that converts (ordinary) signature schemes ...
David Mandell Freeman
PKC
2012
Springer
237views Cryptology» more  PKC 2012»
12 years 1 months ago
Relatively-Sound NIZKs and Password-Based Key-Exchange
We deļ¬ne a new notion of relatively-sound non-interactive zeroknowledge (NIZK) proofs, where a private veriļ¬er with access to a trapdoor continues to be sound even when the Ad...
Charanjit S. Jutla, Arnab Roy