[146432] in cryptography@c2.net mail archive
Re: [Cryptography] Implementations, attacks on DHTs, Mix Nets?
daemon@ATHENA.MIT.EDU (Christian Huitema)
Wed Aug 28 01:48:38 2013
X-Original-To: cryptography@metzdowd.com
From: "Christian Huitema" <huitema@huitema.net>
To: "'Jerry Leichter'" <leichter@lrw.com>,
"'Perry E. Metzger'" <perry@piermont.com>
In-Reply-To: <4332DBB5-0A45-4C5E-9ACA-A6A04B010CE2@lrw.com>
Date: Tue, 27 Aug 2013 22:02:23 -0700
Cc: 'Cryptography List' <cryptography@metzdowd.com>
Errors-To: cryptography-bounces+crypto.discuss=bloom-picayune.mit.edu@metzdowd.com
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> The DHT model says that millions of Raspberry Pi's and thumb drives together implement
> this immense database. But since a DHT, by design, scatters the data around the network
> at random, *my* thumb drive is full of information that I will never need - all the
> information *I* need is out there, somewhere - where, based on the research we've been
> discussing, I have no secure way to get at it. Why would I buy into such a design? Doesn't
> it make much more sense for me to store the information relevant to me?
When we designed PNRP, I was pretty adamant to avoid this business of storing other people's data. We assumed that your data would be stored locally. The cost is a bit of added synchronization cost, effectively scaling as the number of records that have to be published. But if you are looking at a P2P name server type application, there are very few such records.
Basically, the less nodes rely on strangers, the better.
- -- Christian Huitema
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