Ukubethela yinqubo ukuhumusha idatha umbhalo osobala (plaintext) into ibonakala okungahleliwe futhi lutho (yezinhlamvu). Ukususa ukubethela yinqubo ukuguqulela yezinhlamvu emuva plaintext.
Ukuze ngemfihlo ezingaphezu kuka esincane idatha, ukubethela lesinesitfombe-sibuko isetshenziswa. Isihluthulelo lesinesitfombe-sibuko isetshenziswa ngesikhathi kokubili ukubethela nencazelo izinqubo. Ukuze ukususa ukubhala ingxenye ethize yalokho yezinhlamvu, ukhiye esasetshenziswa ukufaka ikhowudi kwimininingo yonke kumele isetshenziswe.
Umgomo zonke algorithm wokubhala ngekhodi ukwenza kube nzima ngangokunokwenzeka ukuqhaqha yezinhlamvu elakhiwe ngaphandle kokusebenzisa isihluthulelo. Uma ukubethela algorithm ezinhle ngempela isetshenziswa, akukho nqubo kakhulu ungcono methodically uzama zonke ukhiye kungenzeka. Ukuze uthole i-algorithm enjalo isikhathi eside ukhiye, lo nzima kangakanani ukuqhaqha ucezu yezinhlamvu ngaphandle banezimfanelo ukhiye.
Kunzima ukunquma izinga algorithm ukubethela. Algorithms ezibukeka ethembisa ngezinye izikhathi abe lula kakhulu ukugqashuka kuyo, banikezwe kuhlasela efanele. Uma ukhetha i-algorithm ukubethela, kuwumqondo omuhle ukuba ukhethe nguye bekulokhu lisetshenziswa iminyaka eminingi futhi bamelana ngokuphumelelayo nakho konke ukuhlaselwa.
Kubuyekezwe ngo-
Jan 24, 2018