Usb-Angriffsschutz

Details

Veröffentlichungs-Nr.

EP3104296

Aktenzeichen

EP15305882

Anmeldetag

10. Juni 2015

Veröffentlichung

18. Dezember 2019

Erteilung

18. Dezember 2019

Rechtsraum

EP

IPC

G06F21/73G06F21/85G06F21/55

Abstract

For a universal serial bus, USB, attack protection between a communication device (CD) and an accessory device (AD), a protection device (PD) inserted between the communication device (CD) and the accessory device (AD) through a USB link is able to: receive (S6) a message (Mes) from the accessory device (AD), the message (Mes) including fields of characteristics of the accessory device, generate (S7) a random identifier (Rid), send (S8) the generated random identifier (Rid) to the communication device (CD) that creates a registration rule based on the generated random identifier, modify (S11) an intercepted response from the accessory device (AD) to a request from the communication device (CD), the request being dedicated to get a value associated with a serial number of the accessory device, by including the generated random identifier (Rid), send (S12) the modified response to the communication device (CD), the modified response triggering a query for registration of the accessory device (AD) by means of the content of the modified response and the created registration rule.

Anmelder

Firmen

Alcatel Lucent
ALCATEL LUCENT

Land

🇫🇷 Frankreich

Fachgebiete