diff --git a/phpBB/includes/crypto/driver/base.php b/phpBB/includes/crypto/driver/base.php
index c913767989..c134122174 100644
--- a/phpBB/includes/crypto/driver/base.php
+++ b/phpBB/includes/crypto/driver/base.php
@@ -23,6 +23,9 @@ abstract class phpbb_crypto_driver_base implements phpbb_crypto_driver_interface
 	/** @var phpbb_config */
 	protected $config;
 
+	/** @var phpbb_crypto_driver_helper */
+	protected $helper;
+
 	/**
 	* Constructor of crypto driver object
 	*
@@ -31,6 +34,7 @@ abstract class phpbb_crypto_driver_base implements phpbb_crypto_driver_interface
 	public function __construct(phpbb_config $config)
 	{
 		$this->config = $config;
+		$this->helper = new phpbb_crypto_driver_helper($this);
 	}
 
 	/**
diff --git a/phpBB/includes/crypto/driver/salted_md5.php b/phpBB/includes/crypto/driver/salted_md5.php
index 30b510b8dc..8e1c8a0d05 100644
--- a/phpBB/includes/crypto/driver/salted_md5.php
+++ b/phpBB/includes/crypto/driver/salted_md5.php
@@ -68,7 +68,7 @@ class phpbb_crypto_driver_salted_md5 extends phpbb_crypto_driver_base
 		while (--$settings['count']);
 
 		$output = $settings['full'];
-		$output .= _hash_encode64($hash, 16, $this->itoa);
+		$output .= $this->helper->hash_encode64($hash, 16, $this->itoa);
 
 		if (strlen($output) == 34)
 		{
@@ -97,28 +97,6 @@ class phpbb_crypto_driver_salted_md5 extends phpbb_crypto_driver_base
 		return false;
 	}
 
-	/**
-	* Return unique id
-	* @param string $extra additional entropy
-	*/
-	protected function unique_id($extra = 'c')
-	{
-		static $dss_seeded = false;
-
-		$val = $this->config['rand_seed'] . microtime();
-		$val = md5($val);
-		$this->config['rand_seed'] = md5($this->config['rand_seed'] . $val . $extra);
-
-		if ($dss_seeded !== true && ($this->config['rand_seed_last_update'] < time() - rand(1,10)))
-		{
-			set_config('rand_seed_last_update', time(), true);
-			set_config('rand_seed', $this->config['rand_seed'], true);
-			$dss_seeded = true;
-		}
-
-		return substr($val, 4, 16);
-	}
-
 	/**
 	* Generate salt for hashing method
 	*
@@ -139,11 +117,11 @@ class phpbb_crypto_driver_salted_md5 extends phpbb_crypto_driver_base
 		if (strlen($random) < $count)
 		{
 			$random = '';
-			$random_state = unique_id();
+			$random_state = $this->helper->unique_id();
 
 			for ($i = 0; $i < $count; $i += 16)
 			{
-				$random_state = md5(unique_id() . $random_state);
+				$random_state = md5($this->helper->unique_id() . $random_state);
 				$random .= pack('H*', md5($random_state));
 			}
 			$random = substr($random, 0, $count);
@@ -151,8 +129,7 @@ class phpbb_crypto_driver_salted_md5 extends phpbb_crypto_driver_base
 
 		$salt = '$H$';
 		$salt .= $this->itoa[min($count + 5, 30)];
-		$salt .= _hash_encode64($random, 6, $this->itoa);
-		var_dump($salt);
+		$salt .= $this->helper->hash_encode64($random, 6, $this->itoa);
 
 		return $salt;
 	}
diff --git a/tests/crypto/manager_test.php b/tests/crypto/manager_test.php
index ce6ac1684f..b2f2862e5f 100644
--- a/tests/crypto/manager_test.php
+++ b/tests/crypto/manager_test.php
@@ -48,7 +48,7 @@ class phpbb_crypto_manager_test extends PHPUnit_Framework_TestCase
 			array('', '2y', 60),
 			array('crypto.driver.bcrypt_2y', '2y', 60),
 			array('crypto.driver.bcrypt', '2a', 60),
-			//array('crypto.driver.salted_md5', '$H$', 45),
+			array('crypto.driver.salted_md5', 'H', 34),
 		);
 	}