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Indistinguishability Obfuscation from DDH-like Assumptions on Constant-Degree Graded Encodings
Obfuscation Constant-Degree Graded Encoding Schemes SXDH
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2016/12/10
All constructions of general purpose indistinguishability obfuscation (IO) rely on either meta-assumptions that encapsulate an exponential family of assumptions (e.g., Pass, Seth and Telang, CRYPTO 20...
On Removing Graded Encodings from Functional Encryption
functional-encryption obfuscation graded-encodings
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2016/12/8
Functional encryption (FE) has emerged as an outstanding concept. By now, we know that beyond the immediate application to computation over encrypted data, variants with {\em succinct ciphertexts} are...
Impossibility of VBB Obfuscation with Ideal Constant-Degree Graded Encodings
VBB obfuscation graded encodings
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2015/12/31
A celebrated result by Barak et al (JACM’12) shows the impossibility
of general-purpose virtual black-box (VBB) obfuscation in the
plain model. A recent work by Canetti, Kalai, and Paneth (TCC’15)
...