Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: Asalin DES ya koma farkon shekarun 1970. A cikin 1972, bayan kammala binciken kan bukatun tsaro na kwamfuta na gwamnatin Amurka, hukumar kula da ka'idoji ta Amurka NBS (National Bureau of Standards) - yanzu da aka kira NIST (National Institute of Standards and Technology) - ta gano bukatar ka'idar gwamnati gaba daya don ɓoye bayanan sirri, masu mahimmanci. Saboda haka, a ranar 15 ga Mayu 1973, bayan tuntuɓar NSA, NBS ta nemi shawarwari don cipher wanda zai cika ƙa'idodin ƙirar ƙira. Duk da haka, babu wani daga cikin abubuwan da aka gabatar da su da ya dace. An bayar da buƙata ta biyu a ranar 27 ga Agusta 1974. A wannan lokacin, IBM ta gabatar da dan takarar da aka yarda da shi wanda aka yarda da shi a lokacin 1973-1974 bisa ga algorithm na farko, Horst Feistel's Lucifer cipher. Theungiyar a IBM da ke cikin ƙirar cipher da bincike sun haɗa da Feistel, Walter Tuchman, Don Coppersmith, Alan Konheim, Carl Meyer, Mike Matyas, Roy Adler, Edna Grossman, Bill Notz, Lynn Smith, da Bryant Tuckerman.  Tambaya: A wane zamani ne aka fara DES?
farkon shekarun 1970