[tahoe-dev] proposal: add padding

Iraklis . leontiad at gmail.com
Fri Jul 12 07:59:15 UTC 2013


But still someone can identify the common pattern at the end of two or 
more similar files so the pad can be detected and deleted, thus length 
is not hidden.
On 07/11/2013 09:01 PM, Tony Arcieri wrote:
> On Wed, Jul 10, 2013 at 7:31 AM, Ed Kapitein <ed at kapitein.org 
> <mailto:ed at kapitein.org>> wrote:
>
>     Hi Zooko,
>
>     Be careful with zero padding, it might leave the data open for a
>     watermarking attack.
>
>
> How about padding with the output of a PRNG seeded with the content 
> hash? That way it'd still be deterministic
>
> -- 
> Tony Arcieri
>
>
> _______________________________________________
> tahoe-dev mailing list
> tahoe-dev at tahoe-lafs.org
> https://tahoe-lafs.org/cgi-bin/mailman/listinfo/tahoe-dev

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://tahoe-lafs.org/pipermail/tahoe-dev/attachments/20130712/44c96407/attachment.html>


More information about the tahoe-dev mailing list