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EUROCRYPT
2006
Springer
14 years 12 days ago
The Cramer-Shoup Encryption Scheme Is Plaintext Aware in the Standard Model
In this paper we examine the security criteria for a KEM and a DEM that are sufficient for the overall hybrid encryption scheme to be plaintext-aware in the standard model. We appl...
Alexander W. Dent
EUROCRYPT
2009
Springer
14 years 9 months ago
Practical Chosen Ciphertext Secure Encryption from Factoring
We propose a practical public-key encryption scheme whose security against chosen-ciphertext attacks can be reduced in the standard model to the assumption that factoring is intrac...
Dennis Hofheinz, Eike Kiltz
ICISC
2003
117views Cryptology» more  ICISC 2003»
13 years 10 months ago
Binary Tree Encryption: Constructions and Applications
Binary tree encryption (BTE), a relaxation of hierarchical identity-based encryption (HIBE), has recently emerged as a useful and intriguing primitive. On the one hand, the defini...
Jonathan Katz
EUROCRYPT
2012
Springer
11 years 11 months ago
Adaptively Attribute-Hiding (Hierarchical) Inner Product Encryption
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...
Tatsuaki Okamoto, Katsuyuki Takashima
JOC
2010
124views more  JOC 2010»
13 years 7 months ago
A New and Improved Paradigm for Hybrid Encryption Secure Against Chosen-Ciphertext Attack
We present a new encryption scheme which is secure against adaptive chosenciphertext attack (or CCA2-secure) in the standard model (i.e. without the use of random oracle). Our sch...
Yvo Desmedt, Rosario Gennaro, Kaoru Kurosawa, Vict...