int function ( ) { return 0 ; }
returns the engine digest length in bytes . if the implementation does not implement this function 0 is returned . concode_field_sep PlaceHolder placeHolder concode_field_sep byte[] engineDigest concode_elem_sep int engineDigest concode_elem_sep Object clone concode_elem_sep void engineReset concode_elem_sep void engineUpdate concode_elem_sep void engineUpdate concode_elem_sep void engineUpdate