<prompt> Translate the following text to SwahiliAn electronic signature is a data authentication process, which when effectively implemented, provides assurance that data associated with the signature has not been altered or changed.  <response>: Saini ya elektroniki ni mchakato wa uthibitisho wa data, ambayo, wakati kutekelezwa kwa ufanisi, hutoa uhakika kwamba data inayohusiana na saini haijabadilishwa au kubadilishwa. 