Multivariate Encryptions with LL' Perturbations - - Is it Possible to Repair HFE\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\textrm{HFE}$$\end{document} in Encryption? When 0 Makes a Difference-.

Jacques Patarin, Pierre Varjabedian

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