From Cryptomania to Obfustopia Through Secret-Key Functional Encryption

@inproceedings{Bitansky2016FromCT,
  title={From Cryptomania to Obfustopia Through Secret-Key Functional Encryption},
  author={Nir Bitansky and Ryo Nishimaki and Alain Passel{\`e}gue and Daniel Wichs},
  booktitle={TCC},
  year={2016}
}
Functional encryption lies at the frontiers of current research in cryptography; some variants have been shown sufficiently powerful to yield indistinguishability obfuscation (IO) while other variants have been constructed from standard assumptions such as LWE. Indeed, most variants have been classified as belonging to either the former or the latter category. However, one mystery that has remained is the case of secret-key functional encryption with an unbounded number of keys and ciphertexts… CONTINUE READING