md5 is it unique

Posted on 16th Feb 2014 07:03 pm by admin

I know this is most likely one of many simple questions that can be found semi easily. But I'm pressed for time. I have searched google, php.net, etc. But it only tells me how to make md5 hashes. Ok great that part I knew.

What I am curious of is, if I create a md5 hash and store it as a session a cookie, or an entry in a database for later comparison with something else. If I followed the same exact method of creating the variable for the session, with the same exact data, would it create the same exact hash as before or would it create a new hash that would be diffrent

example

$session_key = md5('Name-of-Product'.'Price'.'Shipping');
$compare_key = md5('Name-of-Product'.'Price'.'Shipping');

for the example above I would initial hash the info for the $session_key

through a series of different actions the user will eventually end up sending the data through the site via some form of variable or another $_POST or $_GET what I am tempting to do is want to make sure that if i take the user provided data that it matches that of the session I created earlier by comparing the 2 hash strings.

Your Answer:

Login to answer

Other forums

mysql_real_escape_string making variable equal nothing
i post a form and i post the variable:
Code: $var = $_POST[variable];then i echo $var its what i

Splitting Attributes
SQL> SELECT I_NAME, substr(I_NAME,1,instr(I_NAME,'O')) "First part",

substr(I_NAME, IN

I didnt code this but I need help with it
I'm sorry. i'm not a coder. I have this script for forcing download and previewing mp3. The guy that

urldecode question
How would I format this line of code properly?

<?php echo urldecode($_GET['Title']); ?

Post, not working, please help
The error is:
Method Not Allowed
The requested method POST is not allowed for the URL /student

why does my session end?
my connect.php starts the session just so you know
i can navigate arround my site fine except whe

PHP page is blank
Hi Everyone,

I have a site in which I am able to open the first PHP webpage in my browser but

Function module "DPS_CHECK_TABLE_EXISTS" not found (after OSS 1422843 impl)
Dear All,

I implemented Note OSS 1422843.

When i execute the new report RSPO20

UDP server recvfrom() always returns -1? :(
Hello all,
I am getting a very strange error in my code :( I am writing a server application in C

Getting number of affected rows in SQLPLUS..
Hi everyone,
I have a shell script where i am invoking sqlplus, running a query and saving t