*
* @param $str Unhashed string
* @param $oldHash A hash from previous hashed string
+ * @param $withFixed Whether to include a fixed salt (not recommended in p2p applications)
* @return $hashed The hashed and salted string
*/
- function hashString ($str, $oldHash = '');
+ function hashString ($str, $oldHash = '', $withFixed = TRUE);
/**
* Encrypt the string with fixed salt