diff --git a/application/helpers/general_helper.php b/application/helpers/password_helper.php
similarity index 67%
rename from application/helpers/general_helper.php
rename to application/helpers/password_helper.php
index 407d6b9a..72c652dc 100644
--- a/application/helpers/general_helper.php
+++ b/application/helpers/password_helper.php
@@ -11,39 +11,6 @@
  * @since       v1.0.0
  * ---------------------------------------------------------------------------- */
 
-/**
- * Get date in RFC3339
- *
- * For example used in XML/Atom
- *
- * @link http://stackoverflow.com/questions/5671433/php-time-to-google-calendar-dates-time-format
- *
- * @param integer $timestamp
- *
- * @return string date in RFC3339
- *
- * @author Boris Korobkov
- */
-function date3339($timestamp = 0)
-{
-    if ( ! $timestamp)
-    {
-        $timestamp = time();
-    }
-    $date = date('Y-m-d\TH:i:s', $timestamp);
-
-    $matches = [];
-    if (preg_match('/^([\-+])(\d{2})(\d{2})$/', date('O', $timestamp), $matches))
-    {
-        $date .= $matches[1] . $matches[2] . ':' . $matches[3];
-    }
-    else
-    {
-        $date .= 'Z';
-    }
-    return $date;
-}
-
 /**
  * Generate a hash of password string.
  *
@@ -51,14 +18,15 @@ function date3339($timestamp = 0)
  * hashed password.
  *
  * @param string $salt Salt value for current user. This value is stored on the database and is used when generating
- * the password hash.
+ * the password hashes.
  * @param string $password Given string password.
  *
  * @return string Returns the hash string of the given password.
  */
-function hash_password($salt, $password)
+function hash_password(string $salt, string $password): string
 {
     $half = (int)(strlen($salt) / 2);
+
     $hash = hash('sha256', substr($salt, 0, $half) . $password . substr($salt, $half));
 
     for ($i = 0; $i < 100000; $i++)
@@ -77,9 +45,11 @@ function hash_password($salt, $password)
  *
  * @return string Returns a salt string.
  */
-function generate_salt()
+function generate_salt(): string
 {
     $max_length = 100;
+
     $salt = hash('sha256', (uniqid(rand(), TRUE)));
+
     return substr($salt, 0, $max_length);
 }