Bonafide Mechanism for basic Magento passwords

gistfile1.php

<?php defined('SYSPATH') or die('No direct script access.');
/**
 * Basically just an MD5 hash with 1 iteration, and then the salt attached at the end.
 *
 * @author Lowgain
 */
class Bonafide_Mechanism_Magento extends Bonafide_Mechanism {
	
	public function check($password, $hash, $salt = NULL, $iterations = NULL)
	{
		// For Magento, the salt is at the end of the hash
		$salt = substr($hash, strpos($hash, ':') + 1);

		return parent::check($password, $hash, $salt, 1);
	}

	public function hash($password, $salt = NULL, $iterations = NULL)
	{
		// Hash the password, only one iteration supported
		return parent::hash($password, $salt, 1);
	}

	protected function _hash($input, $salt = NULL)
	{
		// Starts off as this
		$pass = md5($salt . $input);
		
		// Add the salt to the end if its there
		if ($salt !== NULL)
		{
			$pass .= ':' . $salt;
		}
		
		return $pass;
	}
	
}// End Bonafide_Mechanism_Magento

I needed to import users from an existing Magento site to a Kohana app using Bonafide. Made it really easy!