Backup encryption key

[Shachar Shemesh]

Yuval Hager wrote:
> On Thursday 23 April 2009, Dotan Cohen wrote:
>   
>>> I've been considering encrypting my backups (e.g. using duplicity), but
>>> I am always afraid to lose the backup key when I lose the data I need
>>> to restore. This has the unfortunate implications of practically having
>>> no backups at all.
>>>
>>> I'd like to ask the list, when you backup your data (and you do, don't
>>> you?) - do you use encryption? If so, what measures do you take to
>>> ensure the key is safer than the data itself?
>>>       
>> My backups are merely encrypted tarballs of my $HOME directory, with a
>> password. Like you, I fear not having access to whatever data that I
>> need to open my backups, but do not want to leave them unencrypted.
>>     
>
> How do you use the password in an automated backup then?
>
>   
You encrypt using a public key. You only need the private key in order 
to decrypt.

Shachar

-- 
Shachar Shemesh
Lingnu Open Source Consulting Ltd.
http://www.lingnu.com

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.cs.huji.ac.il/pipermail/linux-il/attachments/20090423/ae54fea5/attachment.html>