Welcome to the resource topic for 2019/1341
Title:
Succinct Non-Interactive Secure Computation
Authors: Andrew Morgan, Rafael Pass, Antigoni Polychroniadou
Abstract:We present the first maliciously secure protocol for succinct non-interactive secure two-party computation (SNISC): Each player sends just a single message whose length is (essentially) independent of the running time of the function to be computed. The protocol does not require any trusted setup, satisfies superpolynomial-time simulation-based security (SPS), and is based on (subexponential) security of the Learning With Errors (LWE) assumption. We do not rely on SNARKs or “knowledge of exponent”-type assumptions. Since the protocol is non-interactive, the relaxation to SPS security is needed, as standard polynomial-time simulation is impossible; however, a slight variant of our main protocol yields a SNISC with polynomial-time simulation in the CRS model.
ePrint: https://eprint.iacr.org/2019/1341
Talk: https://www.youtube.com/watch?v=GtCz6y31ZC8
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