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Date: Fri, 8 Aug 2014 19:25:35 +0400
From: gremlin@...mlin.ru
To: oss-security@...ts.openwall.com
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://keys.gnupg.net
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