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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)
- 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
-
CC BY