28 search results - page 4 / 6 » Generalized Key Delegation for Hierarchical Identity-Based E... |
EUROCRYPT
2010
Springer
14 years 2 months ago
2010
Springer
We construct the first public-key encryption scheme in the Bounded-Retrieval Model (BRM), providing security against various forms of adversarial “key leakage” attacks. In th...
SCN
2008
Springer
13 years 9 months ago
2008
Springer
While recent timed-release encryption (TRE) schemes are implicitly supported by a certificateless encryption (CLE) mechanism, the security models of CLE and TRE differ and there is...
CRYPTO
2009
Springer
14 years 4 months ago
2009
Springer
We present a new methodology for proving security of encryption systems using what we call Dual System Encryption. Our techniques result in fully secure Identity-Based Encryption ...
ASIACRYPT
2006
Springer
13 years 11 months ago
2006
Springer
We introduce a primitive called Hierarchical Identity-Coupling Broadcast Encryption (HICBE) that can be used for constructing efficient collusion-resistant public-key broadcast enc...
EUROCRYPT
2012
Springer
12 years 5 days ago
2012
Springer
This paper proposes the first inner product encryption (IPE) scheme that is adaptively secure and fully attribute-hiding (attribute-hiding in the sense of the definition by Katz...