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» Decentralizing Attribute-Based Encryption
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EUROCRYPT
2011
Springer
7 years 10 months ago
Decentralizing Attribute-Based Encryption
We propose a Multi-Authority Attribute-Based Encryption (ABE) system. In our system, any party can become an authority and there is no requirement for any global coordination othe...
Allison B. Lewko, Brent Waters
EUROCRYPT
2010
Springer
8 years 12 months ago
Fully Secure Functional Encryption: Attribute-Based Encryption and (Hierarchical) Inner Product Encryption
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...
Allison B. Lewko, Tatsuaki Okamoto, Amit Sahai, Ka...
ICISC
2008
165views Cryptology» more  ICISC 2008»
8 years 8 months ago
Distributed Attribute-Based Encryption
Ciphertext-Policy Attribute-Based Encryption (CP-ABE) allows to encrypt data under an access policy, specified as a logical combination of attributes. Such ciphertexts can be decry...
Sascha Müller 0003, Stefan Katzenbeisser, Cla...
SP
2007
IEEE
183views Security Privacy» more  SP 2007»
9 years 1 months ago
Ciphertext-Policy Attribute-Based Encryption
In several distributed systems a user should only be able to access data if a user posses a certain set of credentials or attributes. Currently, the only method for enforcing such...
John Bethencourt, Amit Sahai, Brent Waters
TCC
2007
Springer
114views Cryptology» more  TCC 2007»
9 years 1 months ago
Multi-authority Attribute Based Encryption
Abstract. In an identity based encryption scheme, each user is identified by a unique identity string. An attribute based encryption scheme (ABE), in contrast, is a scheme in whic...
Melissa Chase
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