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Re: [Duplicity-talk] symmetric vs. key


From: edgar . soldin
Subject: Re: [Duplicity-talk] symmetric vs. key
Date: Tue, 14 Apr 2009 21:13:16 +0200
User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.21) Gecko/20090302 Thunderbird/2.0.0.21 Mnenhy/0.7.5.0

I'd just sum up our conversation on the topic and add some juicy links or text from gpg docs. Eventually ftplicity users will benefit from the same know how , so why not putting it to the root...

I'll do it when I find some time... inbetween the new ftplicity 1.4.2 supporting symmetric encryption will be released. How did that announcement list thing work again?

...ede
--
That would be very helpful.  I'm open to any help that I can get.

...Thanks,
...Ken

address@hidden wrote:
Good point ... thanks Georg.

Maybe we should phrase a Mini-Howto for the Website. Or even better the
online help, similar to the chapter TIME, some chapter KEYS vs. PASSPHRASE.
@ken: would you like that?

..ede
Hi all,

I am asking myself the pro's and con's of using symmetric encryption
versus the use of keys with duplicity.

I am using duplicity with keys. In fact this is the main use of my GPG
keys. ;-)

The nice thing about asymetric encryption is that - as long as you don't
decrypt you don't need to store or pass a passphrase at all. So I can use
the same public key for multiple machines and even on that machines I
don't really trust.

Of course when you want to restore you need to provide it.

Unfourtunately with current versions up from 0.5.12 duplicity also asks
during normal incremental backups for the private key, but this can be
fixed when the archive directory holds the hash of the remote manifest
(see recent thread on "Unnecessarily asking for passphrase on incremental
backup").


Regards
   Georg


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