[Unison-hackers] hash size in Unison archives?
alan.schmitt at polytechnique.org
Thu Nov 27 09:35:31 EST 2008
On 26 nov. 08, at 16:37, Alan Schmitt wrote:
> I'm going to be presenting Unison to a local group of Mac users in
> December, and I wanted to give a bit of technical information about
> how it works "under the hood". There is one piece of information
> that I'm missing right now, it's the size of the hash used in the
> archive to identify each file content (I want to argue that the
> probability of collision is very low).
> I could look at the code, but I'm sure one of you know by heart what
> it is ;-)
So I went to look at the code, and the answer is simply the same as
the Digest module from the standard library: it's a 128 bits MD5 hash.
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