Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755211AbaKEP4G (ORCPT ); Wed, 5 Nov 2014 10:56:06 -0500 Received: from bagpuss.pepperfish.net ([148.251.8.16]:47907 "EHLO bagpuss.pepperfish.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754835AbaKEP4D (ORCPT ); Wed, 5 Nov 2014 10:56:03 -0500 X-Greylist: delayed 571 seconds by postgrey-1.27 at vger.kernel.org; Wed, 05 Nov 2014 10:56:03 EST Date: Wed, 5 Nov 2014 15:46:25 +0000 From: Daniel Silverstone To: Nix Cc: Johan Hovold , Paul Martin , Daniel Silverstone , Oliver Neukum , Greg Kroah-Hartman , linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org Subject: Re: [3.16.1 BISECTED REGRESSION]: Simtec Entropy Key (cdc-acm) broken in 3.16 Message-ID: <20141105154625.GT6592@somnambulist.local> References: <20141012185845.GB2786@localhost> <878uklynq9.fsf@spindle.srvr.nix> <20141014083432.GB7958@localhost> <871tq04fiy.fsf@spindle.srvr.nix> <20141022101458.GK2113@localhost> <87y4s8yv38.fsf@spindle.srvr.nix> <20141024111442.GA19377@localhost> <87d298i3y9.fsf@spindle.srvr.nix> <20141105115643.GR31358@localhost> <87vbmtbrx2.fsf@spindle.srvr.nix> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87vbmtbrx2.fsf@spindle.srvr.nix> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Nov 05, 2014 at 15:14:49 +0000, Nix wrote: > > Did you get anywhere with trying to look at the device firmware? > Look at it? Only Daniel Silverstone (Cc:ed) can do that. The only copy > of the firmware I have is baked into the sealed key. :) Sadly I can't look at the exact firmware of the device, but I can tell you it was based on ST Electronics' virtual COM port example in their *old* STM32 development kits. Fortunately I do have a record of that example code here: https://git.gitano.org.uk/stm32-virtcomport.git/ I'm not a USB guru though. D. -- Daniel Silverstone http://www.digital-scurf.org/ PGP mail accepted and encouraged. Key Id: 3CCE BABE 206C 3B69 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/