Re: Image database

From: smf <*smf_at_null.net*> Date: Fri, 12 May 2017 16:15:41 +0100 Message-ID: <0c895f42-99f9-96f8-9ed8-4b9260294656@null.net> · smf_at_null.net

On 12/05/2017 11:54, Baltissen, GJPAA (Ruud) wrote:
> The moment I see two disks with the same hash, I can assume that they 
> are exactly the same [*] and discard one of them (why should I keep it?).

If you have the hashes and the files, then you can completely avoid any 
risk caused by a collision by locating the possible match using a hash 
and then comparing the old and new file byte by byte. At that point you 
could arguably just use CRC32 for the hash.

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