<prompt> Translate the following text to EnglishKatika ufunguo wa kuokoa, ufunguo umegawanywa katika vipande kadhaa tofauti vya habari na vipande hifadhiwa kando, labda na watumiaji wenyewe, labda na mawakala wa nje.  <response>: In key recovery, a key is broken into several separate pieces of information and the pieces are stored separately, perhaps by the users themselves, perhaps by outside agents. 