Shorter checksum than MD5
bjg at network-theory.co.uk
Thu Sep 9 11:34:26 CEST 2004
Mercuro <this at is.invalid> writes:
> I'm looking for something that is 5 bytes long, for the moment i'm
> just taking a part of the hex md5 sum (like this: checksum =
> md5sum[3:8]). I don't have any duplicates, and I have over 100000
> records, but i'm not sure for the future... Can anybody give me
> something better? Or point me to some website?
For making a smaller hash, I think your approach is a good one since
you can easily increase the length if you need to.
For comparing two databases, maybe there are other options not using a
hash though (e.g. keeping a log of which records have changed since
the last comparison).
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