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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