Gufunga kode ya elegitoronike nigicuruzwa cya elegitoroniki kigenzura uruziga cyangwa chip akazi (sisitemu yo kugenzura uburyo) binyuze mu kwinjiza kode, bityo ukagenzura ifungwa rya mashini, kandi ukarangiza umurimo wo gufungura no gufunga.Ifite ubwoko bwinshi, ibicuruzwa byoroshye byumuzunguruko, nibicuruzwa bishingiye kuri chip hamwe nibikorwa byigiciro cyinshi.Muri iki gihe, ikoreshwa rya kode ya elegitoronike ikoreshwa mugutangiza gahunda hamwe na chip nkibanze.Mu rwego rwo kurinda ikoranabuhanga ry’umutekano, gufunga kode ya elegitoronike hamwe n’imikorere yo kurwanya ubujura isimbuza kode gakondo ya mashini, ikanesha amakosa yo gufunga kode ya mashini hamwe na code nkeya hamwe n’imikorere mibi y’umutekano, bigatuma kode ifunga haba mu buhanga ndetse no muri imikorere Ibyavuzwe haruguru byatejwe imbere cyane nintambwe imwe.