<prompt> Translate the following text to SwahiliBecause of the nature of electronic data, it is sometimes difficult to ascertain whether the data have been altered or manipulated unless the signature is linked to the data in such a way that the signature verification process can detect data changes.  <response>: Kwa sababu ya asili ya data za elektroniki, wakati mwingine ni vigumu kujua kama data zimebadilishwa au kuondolewa isipokuwa saini imeunganishwa na data kwa njia ambayo mchakato wa uthibitisho wa saini unaweza kugundua mabadiliko ya data. 