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1. (WO2018162272) DEVICE AND METHOD SHARING A MATRIX FOR USE IN A CRYPTOGRAPHIC PROTOCOL

Pub. No.:    WO/2018/162272    International Application No.:    PCT/EP2018/054731
Publication Date: Fri Sep 14 01:59:59 CEST 2018 International Filing Date: Wed Feb 28 00:59:59 CET 2018
IPC: H04L 9/08
Applicants: KONINKLIJKE PHILIPS N.V.
Inventors: GARCIA MORCHON, Oscar
TOLHUIZEN, Ludovicus, Marinus, Gerardus, Maria
RIETMAN, Ronald
BHATTACHARYA, Sauvik
Title: DEVICE AND METHOD SHARING A MATRIX FOR USE IN A CRYPTOGRAPHIC PROTOCOL
Abstract:
A network node (110) is provided configured for a cryptographic protocol based on a shared matrix. The network node is arranged to construct the shared matrix (A) in accordance with the selection data and a shared sequence of values. Multiple entries of the shared matrix are assigned to multiple values of the sequence of data as assigned by the selection data. The shared matrix is applied in the cryptographic protocol.