Joomla Password Encryption

joomla password encryption

Joomla passwords are MD5 hashed, but the passwords are salted before being hashed.
They are stored in the database as {hash}:{salt} this salt is a random string 32 characters in length.

So to create a new password hash you would do md5($password.$salt)

EDIT

Okay so for checking a password, say a user myguy enters the password mypassword, you would retrieve the row from the database that has username myguy.

In this row you'll find a password say 4e9e4bcc5752d6f939aedb42408fd3aa:0vURRbyY8Ea0tlvnTFn7xcKpjTFyn0YT.
You split up the password hash and the salt:

$hashparts = preg_split (':' , $dbpassword);
echo $hashparts[0]; //this is the hash  4e9e4bcc5752d6f939aedb42408fd3aa
echo $hashparts[1]; //this is the salt  0vURRbyY8Ea0tlvnTFn7xcKpjTFyn0YT

now calculate the hash using this salt and the password myguy entered

$userhash = md5($userpassword.$hashparts[1]); // This would be 'mypassword' and the salt used in the original hash

Now if this $userhash and $hashparts[0] are identical the user has entered the correct password.

Joomla 3.4 password generation method

Joomla! uses PhPass.

root/libraries/phpass/PasswordHash.php

have a look here. you will see here how the password is generating.

The $2y is the default (and preferred) prefix on bcrypt hashes. As for code, you'll want to look inside JUserHelper's hashPassword and verifyPassword methods to see how Joomla's working with things right now.

Some Referances -

https://github.com/joomla/joomla-cms/blob/3.4.1/libraries/joomla/user/helper.php#L296-L387

https://docs.joomla.org/API15:JUserHelper/getCryptedPassword

https://docs.joomla.org/API15:JUserHelper/getSalt

Check the links, I hope you it will help you ;)

Joomla 3.2.1 password encryption

Try this,

The following piece of code is creating Joomla standard password (Older Version 1.5,1.7 etc).

 jimport('joomla.user.helper');
 $salt = JUserHelper::genRandomPassword(32);
 $crypt = JUserHelper::getCryptedPassword($password_choose, $salt);
 $password = $crypt.':'.$salt;

Joomla 3.2+ introduced PHP's password algorithm bcrypt but it required a minimum PHP 5.3+ If you plan to use bcrypt make sure your server PHP version is capable for this, read more here.

The other Version of Joomla Using the following methods (Joomla 3.x)

 jimport('joomla.user.helper');
 $yourpass = JUserHelper::hashPassword($password_choose);

The older algorithm also works fine in latest version too , only difference is older version creates a 65 character password and new one creates 34 character string. always go with updated version

Also if you are using external script should include Joomla framework like below. This should at very top of your external php file

define( '_JEXEC', 1 );
define('JPATH_BASE', dirname(__FILE__) );//this is when we are in the root
define( 'DS', DIRECTORY_SEPARATOR );

require_once ( JPATH_BASE .DS.'includes'.DS.'defines.php' );
require_once ( JPATH_BASE .DS.'includes'.DS.'framework.php' );

$mainframe =& JFactory::getApplication('site');
$mainframe->initialise();

Also you mentioned you have to check users credential then no need to check password format and all thing just use below codes after framework loads.

   $credentials['username'] = $data['username']; //user entered name
   $credentials['password'] = $data['password']; //users entered password
   $app = JFactory::getApplication();
   $error = $app->login($credentials, $options);
   if (!JError::isError($error)) {
    // login success
    }
  else{
    //Failed attempt
   }

hope it helps..

Joomla Encrypt Passwords for Database

You can just use MySQL's MD5 function - Joomla understands passwords that are hashed using MD5. No need to create a script.

In phpMyAdmin, in the #__users table, just change the password to the one that you want and choose MD5 from the function dropdown.

How do I decrypt and encrypt Joomla user password for Java program?

You shouldn't be seeing any plain text passwords in your database. I don't know for sure how older versions of Joomla do it, but the current ones save passwords in the following format:

md5([password][salt]):[salt]

Where you'd obviously replace [password] with the password and [salt] with the salt. For instance you might see the following string in the password field of your user table

dc0ea62a2aebf85100609bb67c6886a8:yh9MbHU5hR6ydbd8mCw6bQzCrRFYEI3E

The part after the colon is the salt, and the part before the colon is the md5 hash of the password and the salt. Now I can tell you that the password here is 'test'. And that the string is: md5(testyh9MbHU5hR6ydbd8mCw6bQzCrRFYEI3E):yh9MbHU5hR6ydbd8mCw6bQzCrRFYEI3E

What is Joomla 2.5 Password Encryption method?

Finally found the way; thinks this will help someone else :)

    if ( strlen($_POST['pwd']) > 100 )
     {
        $_POST['pwd'] = substr( $_POST['pwd'], 0, 100 );
     }

     $salt = genRandomPassword();
    //$pass is the encripted password
     $pass= md5(stripslashes($_POST['pwd']).$salt) .':'.$salt;

Hash generation as follows:

    function genRandomPassword($length = 32)
    {
     $salt = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
     $len = strlen($salt);
     $makepass = '';
     mt_srand(10000000 * (double) microtime());

     for ($i = 0; $i < $length; $i ++) {
        $makepass .= $salt[mt_rand(0, $len -1)];
     }

     return $makepass;
    }

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