The Data Encryption System (DES). (1969, December 31). In LotsofEssays.com. Retrieved 15:26, August 18, 2025, from https://www.lotsofessays.com/viewpaper/1705432.html
Lots of Essays. "The Data Encryption System (DES)." LotsofEssays.com. LotsofEssays.com, (December 31, 1969). Web. 18 Aug. 2025.
Lots of Essays, "The Data Encryption System (DES).," LotsofEssays.com, https://www.lotsofessays.com/viewpaper/1705432.html (accessed August 18, 2025)