compression and encryption

Adrian 'Dagurashibanipal' von Bidder avbidder@fortytwo.ch
Thu Jan 23 08:59:06 2003


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On Wed, 2003-01-22 at 21:33, Michael Anckaert wrote:

> > In other words: any data compression must come before encryption to
> > gain anything. gpg usually compresses data anyway before encrypting
> > it, so you could try how good you get without explicit compression.
> I'm using bzip2 and think (correct me when wrong) that this is better
> compression than the one gpg uses.

Yes. I just thought that perhaps the (g)zip compression used in gpg
would already suffice for your purposes, and bzip2 is not only good, but
also quite slow... But I agree that it's quite a bit better in most
(all) cases.

> So to put it simply:
> 	archive -> compress -> encrypt

Yep.

cheers
-- vbi

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