HYPERSHIELD: Protecting the Hypercube MPC-in-the-Head Framework Against Differential Probing Adversaries without Masking. - Linda Pirker; Quinten Norga; Suparna Kundu; Anindya Ganguly; Barry Van Leeuwen; Angshuman Karmakar; Ingrid Verbauwhede (IACR Cryptol. ePrint Arch., 2026)