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Paper 2013/729

Functional Encryption for Randomized Functionalities

Vipul Goyal and Abhishek Jain and Venkata Koppula and Amit Sahai

Abstract

In this work, we present the first definitions and constructions for functional encryption supporting randomized functionalities. The setting of randomized functionalities require us to revisit functional encryption definitions by, for the first time, explicitly adding security requirements for dishonest encryptors, to ensure that they cannot improperly tamper with the randomness that will be used for computing outputs. Our constructions are built using indistinguishability obfuscation.

Metadata
Available format(s)
PDF
Category
Public-key cryptography
Publication info
Preprint.
Keywords
functional encryptionobfuscation
Contact author(s)
abhishek @ csail mit edu
History
2014-10-29: last of 3 revisions
2013-11-13: received
See all versions
Short URL
https://ia.cr/2013/729
License
Creative Commons Attribution
CC BY
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