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IEICET
2010
13 years 7 months ago
2010
In this paper, we introduce the intermediate hashed Diffie-Hellman (IHDH) assumption which is weaker than the hashed DH (HDH) assumption (and thus the decisional DH assumption), a...
ISPEC
2007
Springer
14 years 3 months ago
2007
Springer
Credentials are an indispensable means for service access control in electronic commerce. However, regular credentials such as X.509 certificates and SPKI/SDSI certificates do no...
COMPSAC
2006
IEEE
14 years 3 months ago
2006
IEEE
In federated and pervasive networks, trust management has become a cornerstone for information security and privacy. Although people have recognized the importance of privacy and ...
CRYPTO
2005
Springer
14 years 2 months ago
2005
Springer
Since bit and string oblivious transfer and commitment, two primitives of paramount importance in secure two- and multi-party computation, cannot be realized in an unconditionally ...
FSTTCS
2006
Springer
14 years 25 days ago
2006
Springer
The standard symbolic, deducibility-based notions of secrecy are in general insufficient from a cryptographic point of view, especially in presence of hash functions. In this paper...