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Paper 2016/162

New Negative Results on Differing-Inputs Obfuscation

Mihir Bellare and Igors Stepanovs and Brent Waters

Abstract

We provide the following negative results for differing-inputs obfuscation (diO): (1) If sub-exponentially secure one-way functions exist then sub-exponentially secure diO for TMs does not exist (2) If in addition sub-exponentially secure iO exists then polynomially secure diO for TMs does not exist.

Metadata
Available format(s)
PDF
Category
Foundations
Publication info
A minor revision of an IACR publication in EUROCRYPT 2016
Keywords
Impossibility resultsObfuscation
Contact author(s)
istepano @ eng ucsd edu
History
2016-02-20: last of 2 revisions
2016-02-18: received
See all versions
Short URL
https://ia.cr/2016/162
License
Creative Commons Attribution
CC BY
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