<div dir="ltr">Couldn't you just substitute them with natural numbers, just count up from 0 as they appear in the logs? Or is the order they appear in the logs worth protecting?<br></div><div class="gmail_extra"><br><br>
<div class="gmail_quote">On Fri, Jun 21, 2013 at 11:15 AM, Andy Isaacson <span dir="ltr"><<a href="mailto:adi@hexapodia.org" target="_blank">adi@hexapodia.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Simply SHAing isn't sufficient, since I can just brute-force the<br>
mapping to figure out which PIN gives which SHA. There's a few standard<br>
schemes for doing this, but I haven't researched which ones are<br>
appropriate here...<br>
<span class="HOEnZb"><font color="#888888"><br>
-andy<br>
</font></span><div class="HOEnZb"><div class="h5"><br>
On Fri, Jun 21, 2013 at 10:52:47AM -0700, Shannon Lee wrote:<br>
> Hey,<br>
><br>
> Thanks! I was hoping for an anonymization scheme that preserves the<br>
> uniqueness of PINs used? So instead of XXX you'd see a sha2 hash of the<br>
> door code?<br>
><br>
> Thanks,<br>
><br>
> --S<br>
><br>
><br>
> On Fri, Jun 21, 2013 at 10:46 AM, Alex Buie <<a href="mailto:alex.buie@frozenfeline.net">alex.buie@frozenfeline.net</a>>wrote:<br>
><br>
> > Here are the stats for June, with the actual codes anonymized:<br>
> > <a href="https://minotaur.noisebridge.net/baron_anon.txt" target="_blank">https://minotaur.noisebridge.net/baron_anon.txt</a><br>
> ><br>
> ><br>
> ><br>
> > This lives in /var/www/baron_anon.txt on minotaur if someone decides it<br>
> > should go away.<br>
> ><br>
> ><br>
> > On Fri, Jun 21, 2013 at 10:29 AM, Shannon Lee <<a href="mailto:shannon@scatter.com">shannon@scatter.com</a>> wrote:<br>
> ><br>
> >> Is it possible to get hash-anonymized raw log data? It looks like a fun<br>
> >> data set.<br>
> >> On Jun 21, 2013 10:07 AM, "Dana" <<a href="mailto:dana-lists@sonic.net">dana-lists@sonic.net</a>> wrote:<br>
> >><br>
> >>> I was curious about usage of noisebridge by time of day, so I pulled<br>
> >>> together some high level stats on door codes (hour of day, date, day of<br>
> >>> week for 5/23-6/20), thought others might find it interesting.<br>
> >>><br>
> >>> No actual codes nor user details are included.<br>
> >>><br>
> >>> CHART: <a href="http://oi39.tinypic.com/2uibxqs.jpg" target="_blank">http://oi39.tinypic.com/2uibxqs.jpg</a><br>
> >>> DATA: <a href="https://pad.riseup.net/p/doorstats" target="_blank">https://pad.riseup.net/p/doorstats</a><br>
> >>><br>
> >>><br>
> >>><br>
> >>><br>
> >>><br>
> >>><br>
> >>><br>
> >>><br>
> >>> _______________________________________________<br>
> >>> Noisebridge-discuss mailing list<br>
> >>> <a href="mailto:Noisebridge-discuss@lists.noisebridge.net">Noisebridge-discuss@lists.noisebridge.net</a><br>
> >>> <a href="https://www.noisebridge.net/mailman/listinfo/noisebridge-discuss" target="_blank">https://www.noisebridge.net/mailman/listinfo/noisebridge-discuss</a><br>
> >>><br>
> >><br>
> >> _______________________________________________<br>
> >> Noisebridge-discuss mailing list<br>
> >> <a href="mailto:Noisebridge-discuss@lists.noisebridge.net">Noisebridge-discuss@lists.noisebridge.net</a><br>
> >> <a href="https://www.noisebridge.net/mailman/listinfo/noisebridge-discuss" target="_blank">https://www.noisebridge.net/mailman/listinfo/noisebridge-discuss</a><br>
> >><br>
> >><br>
> ><br>
><br>
><br>
> --<br>
> Shannon Lee<br>
> <a href="tel:%28503%29%20539-3700" value="+15035393700">(503) 539-3700</a><br>
><br>
> "Any sufficiently analyzed magic is indistinguishable from science."<br>
<br>
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