Secure Symmetric Key Fuzzy Identity-Based Encryption

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Abstract:

Symmetric key fuzzy Identity-Based Encryption (IBE) is a special type of IBE in secret key model. In this paper we extend the notion to the case of fuzzy Identity-Based Encryption, and give a formal definition of symmetric key fuzzy IBE and its security requirements. Moreover, we propose a construction of symmetric key fuzzy IBE based on the public key fuzzy IBE of Sahai and Waters, and prove its security.

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2665-2668

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June 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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