Welcome to the resource topic for 2016/842
Title:
Improved, Black-Box, Non-Malleable Encryption from Semantic Security
Authors: Seung Geol Choi, Dana Dachman-Soled, Tal Malkin, Hoeteck Wee
Abstract:We give a new black-box transformation from any semantically secure encryption scheme into a non-malleable one which has a better rate than the best previous work of Coretti et al. (TCC 2016-A). We achieve a better rate by departing from the “matrix encoding” methodology used by previous constructions, and working directly with a single codeword. We also use a Shamir secret-share packing technique to improve the rate of the underlying error-correcting code.
ePrint: https://eprint.iacr.org/2016/842
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