DES means Data EncryptionTurning data into a form that cannot be understood without the right key. More Standard. It was an important encryptionTurning data into a form that cannot be understood without the right key. More standard from the second half of the 20th century. Today it is considered obsolete because of its short key, but historically it matters because of debates about how much the NSAA U.S. intelligence agency focused mainly on signals intelligence and communications. More influenced cryptographic standards.
