Welcome to the resource topic for 2016/117
Title:
Circular Security Separations for Arbitrary Length Cycles from LWE
Authors: Venkata Koppula, Brent Waters
Abstract:We describe a public key encryption that is IND-CPA secure under the Learning with Errors (LWE) assumption, but that is not circular secure for arbitrary length cycles. Previous separation results for cycle length greater than 2 require the use of indistinguishability obfuscation, which is not currently realizable under standard assumptions.
ePrint: https://eprint.iacr.org/2016/117
Talk: https://www.youtube.com/watch?v=jpjUbBLSGeQ
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