Rolling algorithm vs CRC

Jamie Lokier jamie at shareable.org
Fri May 22 15:07:12 GMT 2009


Hasanat Kazmi wrote:
> Hello,
> I have previously mailed on list that I am trying to port rsync to NT. I was
> wondering that whether CRC can be used to find check sums rather then rolling
> algorithm. I havnt found any document on web comparing rolling algorithm with
> CRC.

It will only find non-block-aligned matches if you can do a rolling CRC...

-- Jamie


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