A Function Private Attribute-Based Encryption

A Function Private Attribute-Based Encryption

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The function privacy notion was proposed by Boneh, Raghunathan, and Segev in August 2013.It guarantees that the secret key reveals nothing to malicious adversary, beyond Built-In Coffee Maker the unavoidable minimal information such as the length of ciphertext.They constructed a function private identity-based encryption that contains equality functionality.In this work we construct a new function private attribute-based encryption which supports more complex functionality.And we transform it to a searchable encryption.

In searchable encryption, the trapdoor of searching keywords can be seen LED Corn Lamps as the secret key.Hence, using this system can efficiently resist keyword guessing attack.