[cryptography] Weak random data XOR good enough random data = better random data?

Tony Arcieri bascule at gmail.com
Wed Sep 3 18:23:01 EDT 2014


On Mon, Jul 28, 2014 at 9:23 AM, Lodewijk andré de la porte <l at odewijk.nl>
wrote:

> If I XOR probably random data with good enough random data, does that
> result in at least good enough random data?
>

Yes, in fact, it's provably at *least* as random as the most random of the
two data sources:

https://en.wikipedia.org/wiki/Product_cipher

-- 
Tony Arcieri
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.randombit.net/pipermail/cryptography/attachments/20140903/272ab5ed/attachment-0001.html>


More information about the cryptography mailing list