[Pasig-discuss] Long-Term Preservation and Encryption / POTSHARDS

[Thomas Coughlin]

You can connect with UCSC storage activities by contacting Andy Hospodor
at:  hospodor at soe.ucsc.edu

Hope that helps.

Tom Coughlin

On Wed, Apr 22, 2015 at 11:44 PM, Thorsten Lange <
thorsten.lange at pa-consult.net> wrote:

>
> Hi all,
>
> and many thanks for your hints!
> I had an evaluation with CipherCloud already, and it's always the same:
> "What do you mean with - When we're no longer around ???".
> Looking at other solutions, like Cleversafe or AmpliStor or Martus, you
> never find a satisfying answer for the typical long-term issues. As Mike
> said well: "the built in risk of losing track of how to "unchange" the data
> later".
>
> I haven't fully understood yet how POTSHARDS works in detail, but at least
> they describe that you can re-build from scratch without the risk of losing
> the key. Remains the question how safe it is.
>
> More hints very welcome ;-)
>
>
> Freundliche Gruesse / Kind Regards
>
> Thorsten Lange
>
> <http://pa-consult.net/>
> Thorsten Lange • Strategy Consulting
> http://pa-consult.net
> Fon: +49 (0) 41 888 99999 <http://pa-consult.net/>
>
> P&A Consult T. Lange
> Wörmer Straße 86 • 21256 Handeloh • Germany
> USt-IdNr.: DE287511474
>
> Preservation • Archiving • Competence • Network
>
>
>
> === Original Message ===
> From: "discuss" <CN=Thorsten Lange/O=konsultator>
> Sent: 22.04.2015 17:17:52
> To: pasig-discuss at mail.asis.org
> Subject: Long-Term Preservation and Encryption / POTSHARDS
>
> Dear Archivers,
>
> I'm investigating in options to secure sensitive content in the public
> cloud. I'm looking for a good paper that shows all the issues when
> encrypting data for the long term. (Encryption algorythm weakening,
> migration, key loss, key management and migration, etc). I found some stuff
> with Google, but if someone has something really convincing, I appreciate a
> link.
>
> Second, I found POTSHARDS as a really interesting option.
> http://www.ssrc.ucsc.edu/pub/storer07-usenix.html
> It's some years ago, and I haven't found if it got picked up somewhere and
> developed any further.
> Did anyone deal with this solution, know of someone who does, or follows a
> similar approach?
>
> Contact to the fellows from UC Santa Cruz?
> That would be an interesting topic for a next PASIC!
>
>
> Freundliche Gruesse / Kind Regards
>
> Thorsten Lange
>
> <http://pa-consult.net/>
> Thorsten Lange • Strategy Consulting
> http://pa-consult.net
> Fon: +49 (0) 41 888 99999 <http://pa-consult.net/>
>
> P&A Consult T. Lange
> Wörmer Straße 86 • 21256 Handeloh • Germany
> USt-IdNr.: DE287511474
>
> Preservation • Archiving • Competence • Network
>
>
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-- 
Thomas Coughlin
Coughlin Associates
408-978-8184
tom at tomcoughlin.com
www.tomcoughlin.com
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