Privately Constraining and Programming PRFs, the LWE Way

Sina Shiehian
Sina Shiehian

PKC, pp. 675-701, 2018.

Cited by: 28|Bibtex|Views14|Links
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Abstract:

Constrained pseudorandom functions allow for delegating “constrained” secret keys that let one compute the function at certain authorized inputs—as specified by a constraining predicate—while keeping the function value at unauthorized inputs pseudorandom. In the constraint-hiding variant, the constrained key hides the predicate. On top of...More

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