Did you know Cybrary has FREE video training? Join more than 2,500,000 IT and cyber security professionals, students, career changers, and more, growing their careers on Cybrary.
This lesson discusses streams, which is a type of symmetric cipher. Stream ciphers can work via scrambling characters, shifting them left or right. This is also known as transposition. Another method is substitutions. There is also a method called XOR which uses the key bit by bit to provide encryption.