On Wed, Mar 11, 2009 at 6:16 PM, John Campbell <jcampbe...@gmail.com> wrote: > On Wed, Mar 11, 2009 at 5:01 PM, Fernando Gabrieli <fgabri...@gmail.com> > wrote: >> dont forget that md5($anyString) can return two hashes with the same value >> (if you have a db with 1,000,000 entries using this, it may happen) > > The odds of an MD5 collision with 1,000,000 entries is > 0.0000000000000000000000000001% > > That is a risk I am willing to take.
What if the number is used in a filename to store scanned financial documents for a large bank? Mike -- Michael B Allen Java Active Directory Integration http://www.ioplex.com/ _______________________________________________ New York PHP User Group Community Talk Mailing List http://lists.nyphp.org/mailman/listinfo/talk http://www.nyphp.org/show_participation.php
