Are the folks at http://www.fourandsix.com using CCD noise for identification?
David M. Oliver | david@g <[email protected]>uardianproject.info | http://g <http://olivercoady.com>uardianproject.info | @davidmoliver | +1 970 368 2366 On Fri, May 9, 2014 at 12:00 PM, <[email protected]>wrote: > Send Guardian-dev mailing list submissions to > [email protected] > > To subscribe or unsubscribe via the World Wide Web, visit > https://lists.mayfirst.org/mailman/listinfo/guardian-dev > or, via email, send a message with subject or body 'help' to > [email protected] > > You can reach the person managing the list at > [email protected] > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of Guardian-dev digest..." > > > Today's Topics: > > 1. Fwd: Camera ccd noise as security risk (Steve Wyshywaniuk) > 2. Re: Fwd: Camera ccd noise as security risk (Nathan of Guardian) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Thu, 8 May 2014 15:47:20 -0700 > From: Steve Wyshywaniuk <[email protected]> > To: Guardian Dev <[email protected]> > Subject: [guardian-dev] Fwd: Camera ccd noise as security risk > Message-ID: > < > calafds4zkyoa4o3pzampbxktjdx8z-1l34ghzi+o6qwchzq...@mail.gmail.com> > Content-Type: text/plain; charset="utf-8" > > I believe a number of folks on this list are interested/participating in > the development of the various secure camera projects. This article is > something to consider as we continue to move forward. > > ---------- Forwarded message ---------- > From: Kevin Hart <[email protected]> > Date: Thu, May 8, 2014 at 3:18 PM > Subject: Camera ccd noise as security risk > To: Brian Conley <[email protected]>, Steve Wyshywaniuk < > [email protected]> > > > I expect this will become a safety risk for journalists soon: > > http://www.scientificamerican.com/article/tracing-photos-back-to-the-camera-that-snapped-them/ > > We should be able to use dark frame noise subtraction to mitigate this risk > for users of the storymaker app definitely a feature we should consider for > a future version imho. > > -kevin > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > http://lists.mayfirst.org/pipermail/guardian-dev/attachments/20140508/3bf33b48/attachment-0001.html > > > > ------------------------------ > > Message: 2 > Date: Thu, 08 May 2014 22:26:47 -0400 > From: Nathan of Guardian <[email protected]> > To: [email protected] > Subject: Re: [guardian-dev] Fwd: Camera ccd noise as security risk > Message-ID: <[email protected]> > Content-Type: text/plain; charset=ISO-8859-1 > > We actually use this technique in InformaCam as means of proof / > verification. When you first run InformaCam, you take 6 "random" or > "boring" photos as we call them, and those are submitted with the new > public key the device generates, linking your cryptographic identity > with your camera's sensor. You never have to provide your real name / > real life identity, but it does help (within the context and goals of > InformaCam) show that the same device took photos attributed to that > source. > > Also, it is important to know that it doesn't really work with video, > only still photos. > > On 05/08/2014 06:47 PM, Steve Wyshywaniuk wrote: > > I believe a number of folks on this list are interested/participating > > in the development of the various secure camera projects. This article > > is something to consider as we continue to move forward. > > > > ---------- Forwarded message ---------- > > From: *Kevin Hart* <[email protected] > > <mailto:[email protected]>> > > Date: Thu, May 8, 2014 at 3:18 PM > > Subject: Camera ccd noise as security risk > > To: Brian Conley <[email protected] > > <mailto:[email protected]>>, Steve Wyshywaniuk > > <[email protected] <mailto:[email protected]>> > > > > > > I expect this will become a safety risk for journalists soon: > > > http://www.scientificamerican.com/article/tracing-photos-back-to-the-camera-that-snapped-them/ > > > > > > We should be able to use dark frame noise subtraction to mitigate this > > risk for users of the storymaker app definitely a feature we should > > consider for a future version imho. > > > > -kevin > > > > > > > > > > _______________________________________________ > > Guardian-dev mailing list > > > > Post: [email protected] > > List info: https://lists.mayfirst.org/mailman/listinfo/guardian-dev > > > > To Unsubscribe > > Send email to: [email protected] > > Or visit: > https://lists.mayfirst.org/mailman/options/guardian-dev/nathan%40guardianproject.info > > > > You are subscribed as: [email protected] > > > > ------------------------------ > > _______________________________________________ > Guardian-dev mailing list > [email protected] > https://lists.mayfirst.org/mailman/listinfo/guardian-dev > > > End of Guardian-dev Digest, Vol 47, Issue 7 > ******************************************* >
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