N'oge na-adịbeghị anya, ndị ọrụ IBM chepụtara algorithm nke ghọrọ Federal (ntụgharị, US) Data Encryption Standard; Whitfield Diffie na Martin Hellman bipụtara ha isi nkwekọrịta algorithm; na RSA algorithm bipụtara na Martin Gardner's Scientific American kọlụm. N'ịgbaso ọrụ ha na 1976, ọ ghọrọ ihe a ma ama ịtụle usoro nzuzo dabere na nsogbu mgbakọ na mwepụ nke dị mfe ikwu mana achọtara na ọ siri ike idozi. Kemgbe ahụ, cryptography abụrụla ngwa eji eme ihe na nkwukọrịta, netwọkụ kọmputa, yana nchekwa kọmputa.
nkwukọrịta