CONTROLLED SCOPE OF AUTHENTICATION KEY FOR SOFTWARE UPDATE

CONTROLLED SCOPE OF AUTHENTICATION KEY FOR SOFTWARE UPDATE

Techniques for updating a client device are provided that include receiving, by a client device, a software update and a certificate associated with the software update, verifying, by the client device, the certificate associated with the software update based on a stored public key of the client de...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: CHERCHES, Barak, PEETERS, Eric Thierry, Jean
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC DIGITAL DATA PROCESSING
ELECTRICITY
PHYSICS
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:Techniques for updating a client device are provided that include receiving, by a client device, a software update and a certificate associated with the software update, verifying, by the client device, the certificate associated with the software update based on a stored public key of the client device, extracting an update scope value from the certificate, comparing the update scope value against a corresponding attribute of the update, and either applying the software update based on the comparing, or rejecting the software update based on the comparing.