NFC device, reader/writer device and methods for authorizing and performing an update

An NFC device comprises a function unit configured to execute a function based on related command code, a storage unit configured to store the command code, a communication unit configured to communicate with another NFC device, and a processing unit configured, if an update of the command code shal...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
1. Verfasser:	Tiedemann, Stephen
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY PHYSICS TRANSMISSION TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION WIRELESS COMMUNICATIONS NETWORKS
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	An NFC device comprises a function unit configured to execute a function based on related command code, a storage unit configured to store the command code, a communication unit configured to communicate with another NFC device, and a processing unit configured, if an update of the command code shall be made by the another NFC device, to calculate a checksum over at least part of the command code, to compare the calculated checksum with a checksum received from the another NFC device and to authorize the update if the received checksum matches the calculated checksum.