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» A Secure Scheme for Restrictive Partially Blind Signatures
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IACR
2011
173views more  IACR 2011»
12 years 7 months ago
All-But-Many Lossy Trapdoor Functions
We put forward a generalization of lossy trapdoor functions (LTFs). Namely, all-but-many lossy trapdoor functions (ABM-LTFs) are LTFs that are parametrized with tags. Each tag can...
Dennis Hofheinz
BROADNETS
2005
IEEE
14 years 1 months ago
Privacy enhanced access control in pervasive computing environments
Abstract— Privacy and security are two important but seemingly contradict objectives in pervasive computing environments (PCEs). On the one hand, service providers want to authen...
Kui Ren, Wenjing Lou
ASIACRYPT
2003
Springer
14 years 22 days ago
The Insecurity of Esign in Practical Implementations
Provable security usually makes the assumption that a source of perfectly random and secret data is available. However, in practical applications, and especially when smart cards a...
Pierre-Alain Fouque, Nick Howgrave-Graham, Gwena&e...
EUROCRYPT
2003
Springer
14 years 22 days ago
Why Provable Security Matters?
Abstract. Recently, methods from provable security, that had been developped for the last twenty years within the research community, have been extensively used to support emerging...
Jacques Stern
CRYPTO
2008
Springer
150views Cryptology» more  CRYPTO 2008»
13 years 9 months ago
On Notions of Security for Deterministic Encryption, and Efficient Constructions without Random Oracles
Abstract. The study of deterministic public-key encryption was initiated by Bellare et al. (CRYPTO '07), who provided the "strongest possible" notion of security for...
Alexandra Boldyreva, Serge Fehr, Adam O'Neill