/**
  * Method sets minimum allowed log2 number of iterations for password stretching.
  *
  * @param	integer		$minHashCount: minimum allowed log2 number of iterations for password stretching to set
  * @see		MIN_HASH_COUNT
  * @see		$minHashCount
  * @see		getMinHashCount()
  */
 public function setMinHashCount($minHashCount = NULL)
 {
     self::$minHashCount = !is_NULL($minHashCount) && is_int($minHashCount) ? $minHashCount : self::MIN_HASH_COUNT;
 }