公开(公告)号：US20220263668A1

公开(公告)日：2022-08-18

申请号：US17609903

申请日：2020-05-08

Applicant: AALTO UNIVERSITY FOUNDATION SR

Inventor： Juuso AUTIOSALO ,  Petri KUOSMANEN ,  Tuukka MUSTAPÄÄ ,  Pekka NIKANDER

IPC: H04L9/32 ,  H04L9/08

Abstract: The invention enables the certification of a measurement result of a measuring device. A measuring device arranged in connection with a data security module according to the invention takes under processing a measurement result produced using a measuring instrument of the measuring device (501). The measuring device associates a digital calibration certificate associated with a public key corresponding to a secret key stored in a key storage with the measurement result taken under processing (502). The measuring device digitally signs the associated measurement result using a signing function of the data security module and the secret key stored in the key storage (503).