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» Multi-authority Attribute Based Encryption
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TCC
2007
Springer
114views Cryptology» more  TCC 2007»
13 years 11 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
SP
2007
IEEE
183views Security Privacy» more  SP 2007»
13 years 11 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
WISA
2009
Springer
13 years 11 months ago
Mediated Ciphertext-Policy Attribute-Based Encryption and Its Application
In Ciphertext-Policy Attribute-Based Encryption (CP-ABE), a user secret key is associated with a set of attributes, and the ciphertext is associated with an access policy over attr...
Luan Ibraimi, Milan Petkovic, Svetla Nikova, Piete...
CRYPTO
2012
Springer
215views Cryptology» more  CRYPTO 2012»
11 years 7 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
ISW
2009
Springer
13 years 11 months ago
Privacy-Aware Attribute-Based Encryption with User Accountability
As a new public key primitive, attribute-based encryption (ABE) is envisioned to be a promising tool for implementing fine-grained access control. To further address the concern o...
Jin Li, Kui Ren, Bo Zhu, Zhiguo Wan