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CRYPTO
2012
Springer
215views Cryptology» more  CRYPTO 2012»
11 years 8 months ago
New Proof Methods for Attribute-Based Encryption: Achieving Full Security through Selective Techniques
We develop a new methodology for utilizing the prior techniques to prove selective security for functional encryption systems as a direct ingredient in devising proofs of full sec...
Allison B. Lewko, Brent Waters
PAIRING
2007
Springer
148views Cryptology» more  PAIRING 2007»
13 years 11 months ago
Fully Collusion Secure Dynamic Broadcast Encryption with Constant-Size Ciphertexts or Decryption Keys
This paper puts forward new efficient constructions for public-key broadcast encryption that simultaneously enjoy the following properties: receivers are stateless; encryption is c...
Cécile Delerablée, Pascal Paillier, ...
CRYPTO
2005
Springer
135views Cryptology» more  CRYPTO 2005»
13 years 11 months ago
Collusion Resistant Broadcast Encryption with Short Ciphertexts and Private Keys
We describe two new public key broadcast encryption systems for stateless receivers. Both systems are fully secure against any number of colluders. In our first construction both...
Dan Boneh, Craig Gentry, Brent Waters
EUROCRYPT
2012
Springer
11 years 7 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
IACR
2011
158views more  IACR 2011»
12 years 5 months ago
Can Homomorphic Encryption be Practical?
Abstract. The prospect of outsourcing an increasing amount of data storage and management to cloud services raises many new privacy concerns for individuals and businesses alike. T...
Kristin Lauter, Michael Naehrig, Vinod Vaikuntanat...