Re: Re: reverse MD5 ???
| From: | Greg Donald | Date: | Thu, 21 Apr 2005 16:34:45 +0000 |
| Subject: | Re: Re: reverse MD5 ??? | ||
| References: | 1 2 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-213592@lists.php.net to get a copy of this message | ||
On 4/21/05, Satyam <satyam@satyam.com.ar> wrote:
> If I tell you that dividing a certain number by three gives you a remainder
> of 2, would you be able to guess the first number?
Yes. 5, 8, 11, 14, etc.
> Same thing with MD5, it
> is just one way, it can't be reversed.
MD5 collisions were found last year:
http://cryptography.hyperlink.cz/md5/MD5_collisions.pdf
Just a matter of time/cpu power.
--
Greg Donald
Zend Certified Engineer
http://destiney.com/