[dm-crypt] LUKS overhead?
.. ink ..
mhogomchungu at gmail.com
Tue Sep 9 21:35:45 CEST 2014
On Tue, Sep 9, 2014 at 12:11 PM, Ryan Nix <ryan.nix at gmail.com> wrote:
> We recently started using ownCloud which has an encryption-at-rest option.
> However, their encryption scheme increases file size by 34%. We need to
> have our files encrypted at rest so I was thinking that maybe LUKS was the
> better way to go. Can anyone tell me if we'll see the same kind of
> increases in file size? I ask because we're trying to plan on how much
> storage we should buy.
How large are the files you are creating?
Most "enclosures" uses a header and the header will increase the overall
size of encrypted file.
LUKS for example uses a header that is 2MB.
If you want to encrypt individual files,why not go with gpg?,their header
will increase the file size by only 41 bytes.
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