note 90106 deleted from function.md5 by tularis
| From: | tularis@php.net | Date: | Thu, 14 Jul 2011 22:49:01 +0000 |
| Subject: | note 90106 deleted from function.md5 by tularis | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-181523@lists.php.net to get a copy of this message | ||
Note Submitter: 2me21 at mail dot ru
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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.