Sciweavers

15 search results - page 2 / 3
» Security of Blind Signatures under Aborts
Sort
View
CSFW
2005
IEEE
13 years 10 months ago
Deciding Knowledge in Security Protocols under (Many More) Equational Theories
In the analysis of security protocols, the knowledge of attackers is often described in terms of message deducibility and indistinguishability relations. In this paper, we pursue ...
Martín Abadi, Véronique Cortier
TCC
2007
Springer
125views Cryptology» more  TCC 2007»
13 years 11 months ago
Concurrently-Secure Blind Signatures Without Random Oracles or Setup Assumptions
Abstract. We show a new protocol for blind signatures in which security is preserved even under arbitrarily-many concurrent executions. The protocol can be based on standard crypto...
Carmit Hazay, Jonathan Katz, Chiu-Yuen Koo, Yehuda...
EUROCRYPT
2010
Springer
13 years 5 months ago
On the Impossibility of Three-Move Blind Signature Schemes
We investigate the possibility to prove security of the well-known blind signature schemes by Chaum, and by Pointcheval and Stern in the standard model, i.e., without random oracle...
Marc Fischlin, Dominique Schröder
JOC
2000
181views more  JOC 2000»
13 years 4 months ago
Security Arguments for Digital Signatures and Blind Signatures
Abstract. Since the appearance of public-key cryptography in the seminal DiffieHellman paper, many new schemes have been proposed and many have been broken. Thus, the simple fact t...
David Pointcheval, Jacques Stern
CRYPTO
2007
Springer
162views Cryptology» more  CRYPTO 2007»
13 years 11 months ago
Universally-Composable Two-Party Computation in Two Rounds
Round complexity is a central measure of efficiency, and characterizing the round complexity of various cryptographic tasks is of both theoretical and practical importance. We show...
Omer Horvitz, Jonathan Katz