Anthony Fraga. RAID - Compact PKE bridging RQC and LRPC cryptosystem paradigm

Quand : 30 juin 2026 à 14:00

Où : IHP, 11 rue Pierre et Marie Curie, Paris 5e

Organisé par : Institut Henri Poincaré

Abstract: We introduce Rank Additive Ideal Decoding (RAID), a new rank-based encryption framework that bridges the design of the RQC and LRPC cryptosystems. In contrast to RQC, whose ciphertext has two components, RAID produces a single-component ciphertext by adding an LRPC error directly to an encoded message. The decryption procedure requires to multiply the ciphertext by the secret key and lev