[Chicago] encrypting 5gb files?

Josh Cronemeyer jcroneme at thoughtworks.com
Wed Nov 26 21:06:15 CET 2008

So is the data already in the cloud?  Or are you encrypting and then 
sending it up?  I don't really know much about encryption but surely you 
could write some nifty library to break files down, encrypt the chunks and 
vice versa.  It would be cool to leverage the potential for massive 
parallelism in amazon's cloud to make encrypting all that data really 

Josh Cronemeyer

"Tim Saylor" <tim.saylor at gmail.com> 
Sent by: chicago-bounces+jcroneme=thoughtworks.com at python.org
11/26/08 01:37 PM
Please respond to
The Chicago Python Users Group <chicago at python.org>

"The Chicago Python Users Group" <chicago at python.org>

Re: [Chicago] encrypting 5gb files?

In general speed is the enemy of security in encryption.  The faster you 
can encrypt/decrypt the file, the faster someone can crack it.

On Wed, Nov 26, 2008 at 1:15 PM, Lukasz Szybalski <szybalski at gmail.com> 

I was wondering if somebody could suggest a fast encryption algorithm
that I could use to encrypt 5gb files.
What I'm trying to do is create backup files on amazon S3 servers
which allow you to upload up to 5bg per files. Since the data I'm
uploading is very sensitive I want to encrypt the files.

I'm looking for a algorithm or a tool that would allow me to
encrypt/decrypt the file at a reasonable speed and goods security.

Let me know,

Turbogears2 Manual
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