ru %D0%9E%D0%B1%D1%81%D1%83%D0%B6%D0%B4%D0%B5%D0%BD%D0%B8%D0%B5 %D1%83%D1%87%D0%B0%D1%81%D1%82%D0%BD%D0%B8%D0%BA%D0%B0:%D0%9A%D0%BE%D1%82%D0%B8%D0%BA %D0%BF%D0%BE%D0%BB%D0%BE%D1%81%D0%B0%D1%82%D1%8B%D0%B9 %D0%90%D1%80%D1%85%D0%B8%D0%B2 Message authentication algorithm