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Date: Fri, 8 Aug 2014 19:25:35 +0400
Subject: Re: BadUSB discussion

On 08-Aug-2014 07:00:13 -0700, Greg KH wrote:

 >> For example, you could register keyboards by serial number
 >> with the system,
 > Most USB keyboards in the system do not have a unique serial
 > number. Heck, most USB devices in the system do not have a
 > unique serial number

Serial numbers wouldn't help even if they were unique.

Port assignment ("HID devices may be connected only to these two
ports powered by +5Vsb") could help, but:
1. Many system boards have one single bus for all physical ports.
2. This would require some human activity.

Alexey V. Vissarionov aka Gremlin from Kremlin <gremlin ПРИ gremlin ТЧК ru>
GPG: 8832FE9FA791F7968AC96E4E909DAC45EF3B1FA8 @ hkp://

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