question: generate a session id to store the fe session beans concode_field_sep FESessionManager sessionManager concode_elem_sep MessageDigest messageDigest concode_elem_sep Log log concode_elem_sep SecureRandom secureRandomInstance concode_elem_sep ConcurrentHashMap<String,FESessionBean> sessionMap concode_field_sep void removeSession concode_elem_sep FESessionBean getFESessionBean concode_elem_sep String addNewSession concode_elem_sep void initialize concode_elem_sep FESessionManager getInstance concode_elem_sep String hexEncode
target: String function ( ) { String loc0 = new Integer ( secureRandomInstance . nextInt ( ) ) . toString ( ) ; byte [ ] loc1 = messageDigest . digest ( loc0 . getBytes ( ) ) ; return hexEncode ( loc1 ) ; }