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. 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-. In Ratna Dutta, Luca De Feo, Sugata Gangopadhyay, editors, Progress in Cryptology - INDOCRYPT 2025 - 26th International Conference on Cryptology in India, Bhubaneshwar, India, December 14-17, 2025, Proceedings. Volume 16372 of Lecture Notes in Computer Science, pages 263-284, Springer, 2025. [doi]