Patent ID: 11875589
Assignee: SICPA HOLDING SA
Field: Computer technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 10:
11. The method according to claim 10, wherein the article is secured by storing the reference aggregated digital signature associated with the batch of original articles in a searchable aggregated signature database, wherein the reference aggregated digital signature associated with the batch of original articles is either published in a media accessible to the user, or stored in a searchable aggregated signature database accessible to the user, or stored in a blockchain, or in a database secured by a blockchain, accessible to the user, and the imager is further equipped with a communication unit operable to send and receive back data via a communication link, comprising the steps of:
sending with the communication unit via the communication link a request to said aggregated signature database, and receiving back the reference aggregated digital signature associated with the batch of original articles; and
storing the received aggregated digital signature in the memory of the imager, which precede the step of acquiring the digital image of the security marking.