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An efficiently outsourcing Attribute Based Encryption using SPs

Publication Date : 01/10/2015

Author(s) :


Volume/Issue :
Volume 2
Issue 9
(10 - 2015)

Abstract :

Attribute-Based Encryption (ABE) is a cryptographic elementary which extremely enhances the flexibility of access control mechanisms. Due to the high expressiveness of ABE policies, the computational complexities of ABE key-issuing and decryption are getting remarkably high. An efficiently Outsourced ABE system, which supports both secure outsourced key-issuing and decryption. This method offloads all access policy and attributes related operations in the data storing process or decryption to a Decryption Service Provider (DSP) and authorization to Key Generation Service Provider (KGSP) or Attribute Authority (AA), respectively. This leaving only a constant number of simple operations for the attribute authority and eligible users to perform locally. In addition, outsourced ABE construction which provides checkability results in an efficient way.

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An efficiently outsourcing Attribute Based Encryption using SPs

September 30, 2015