Welcome to the resource topic for 2016/010
Title:
Eliminating Decryption Failures from the Simple Matrix Encryption Scheme
Authors: Albrecht Petzoldt, Jintai Ding, Lih-Chung Wang
Abstract:The SimpleMatrix encryption scheme as proposed by Tao et al. \cite{TD13} is one of the very few existing approaches to create a secure and efficient encryption scheme on the basis of multivariate polynomials. However, in its basic version, decryption failures occur with non-negligible probability. Although this problem has been addressed in several papers \cite{DP14,TX15}, a general solution to it is still missing.\ In this paper we propose an improved version of the SimpleMatrix scheme, which eliminates decryption failures completely and therefore solves the biggest problem of the SimpleMatrix encryption scheme. Additionally, we propose a second version of the scheme, which reduces the blow-up factor between plain and ciphertext size to a value arbitrary close to 1.
ePrint: https://eprint.iacr.org/2016/010
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