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From Tim Broberg <Tim.Brob...@exar.com>
Subject RE: encryption
Date Fri, 20 Jan 2012 23:36:18 GMT
I guess the first question is the threat model: What kind of bad guy are you trying to keep
out? Is Ukrainian hackers? Local users, but the servers are locked up? Is it somebody who
has physical access to the machines? Does the information have to be secure forever or just
for a while?

Once you know what you're trying to protect from, you can start thinking about how to protect

    - Tim.
From: Koert Kuipers [koert@tresata.com]
Sent: Friday, January 20, 2012 1:09 PM
To: hdfs-user@hadoop.apache.org
Subject: encryption

Does anyone know of any work/ideas to encrypt data stored on hdfs?
Ideally both temporary files and final files would be encrypted. Or there would have to be
a mechanism in hdfs to securely wipe temporary files, like shred in linux.

So far this is what i found:


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