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Succinct Garbling Schemes from Functional Encryption through a Local Simulation Paradigm
garbling schemes succinct randomized encodings adaptive security
2018/8/21
We study a simulation paradigm, referred to as local simulation, in garbling schemes. This paradigm captures simulation proof strategies in which the simulator consists of many local simulators that g...
How to Circumvent the Two-Ciphertext Lower Bound for Linear Garbling Schemes
garbled circuits lower bound on linear garbling schemes semi-private function evaluation
2017/2/20
At EUROCRYPT 2015, Zahur et al.\ argued that all linear, and thus, efficient, garbling schemes need at least two kk-bit elements to garble an AND gate with security parameter kk. We show how to circum...
In recent years, a lot of progress has been made on speeding up Actively-secure Two-party Function Evaluation (SFE) using Garbled Circuits. For a given level of security, the amount of information tha...
Succinct Garbling Schemes and Applications
Succinct Garbling Scheme IO for RAM Bounded Space Computation
2016/1/7
Assuming the existence of iO for P/poly and one-way functions, we show how to succinctly
garble bounded-space computations (BSC) M: the size of the garbled program (as well as the
time needed to gen...
Garbling schemes (aka randomized encodings of functions) represent a function F by a 搒impler?
randomized function F?such that F?x) reveals F(x) and no additional information about x. Garbling schemes...
Garbled circuits is a cryptographic technique, which has been used among other things for the construction
of two and three-party secure computation, private function evaluation and secure outsourcin...