23 search results - page 2 / 5 » Hierarchical Identity Based Encryption with Constant Size Ci... |
ASIACRYPT
2006
Springer
13 years 9 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
2010
Springer
14 years 9 days ago
2010
Springer
In this paper, we present two fully secure functional encryption schemes. Our first result is a fully secure attribute-based encryption (ABE) scheme. Previous constructions of AB...
CRYPTO
2009
Springer
14 years 2 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
2008
Springer
13 years 9 months ago
2008
Springer
Abstract. We provide a general framework for constructing identitybased and broadcast encryption systems. In particular, we construct a general encryption system called spatial enc...
EUROCRYPT
2004
Springer
14 years 26 days ago
2004
Springer
Abstract. We propose a simple and efficient construction of a CCAsecure public-key encryption scheme from any CPA-secure identity-based encryption (IBE) scheme. Our construction re...