note 90106 added to function.md5

From: Date: Mon, 06 Apr 2009 21:43:02 +0000
Subject: note 90106 added to function.md5
Groups: php.notes 
Request: Send a blank email to php-notes+get-152874@lists.php.net to get a copy of this message
About password and md5 - small letters 26 - big letters 26 - digits 10 total 62 possible simbols in 1 sign of password. if you force your user to use in their password such signs as ! @ # $ % ^ & * ( ) - = _ + you increase the password security + 14 signs So total 76 Now while generating of all possible passwords with above mentioned digits and length up to 8 simbols you will have a table with !!! 1 370 114 371 MILLIONS rows!!! !!! 1 370 114 371 000 000 rows!!! for getting of all MD5 hash you will have to have a table with 1 400 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 rows. Check what google means in wikipedia and see that humanity is not able to create anything what is able to generate ans store all md5 hashs. ---- Server IP: 195.54.192.44 Probable Submitter: 87.245.166.46 ---- Manual Page -- http://www.php.net/manual/en/function.md5.php Edit -- https://master.php.net/note/edit/90106 Del: integrated -- https://master.php.net/note/delete/90106/integrated Del: useless -- https://master.php.net/note/delete/90106/useless Del: bad code -- https://master.php.net/note/delete/90106/bad+code Del: spam -- https://master.php.net/note/delete/90106/spam Del: non-english -- https://master.php.net/note/delete/90106/non-english Del: in docs -- https://master.php.net/note/delete/90106/in+docs Del: other reasons-- https://master.php.net/note/delete/90106 Reject -- https://master.php.net/note/reject/90106 Search -- https://master.php.net/manage/user-notes.php

« previous php.notes (#152874) next »