45 search results - page 2 / 9 » Security Notions and Generic Constructions for Client Puzzle... |
ICICS
2005
Springer
14 years 1 months ago
2005
Springer
The notion of concurrent signatures was recently introduced by Chen, Kudla and Paterson. In concurrent signature schemes, two entities can produce two signatures that are not bindi...
EUROPKI
2008
Springer
13 years 9 months ago
2008
Springer
We propose a generic method to construct forward-secure signature schemes from standard signature schemes. The proposed construction is more computationally efficient than previous...
ACISP
2010
Springer
13 years 9 months ago
2010
Springer
We introduce the concept of attribute-based authenticated key exchange (AB-AKE) within the framework of ciphertext policy attribute-based systems. A notion of AKE-security for AB-A...
ESORICS
2007
Springer
14 years 1 months ago
2007
Springer
A formal treatment to the privacy of concealed data aggregation (CDA) is given. While there exist a handful of constructions, rigorous security models and analyses for CDA are stil...
AAECC
2009
Springer
13 years 11 months ago
2009
Springer
Abstract. We build on the new security notion for deterministic encryption (PRIV) and the PRIV-secure schemes presented by Bellare et al at Crypto'07. Our work introduces: 1) ...