Cryptography & Secure Information Systems

Give three examples of fairly used shift ciphers and list their drawbacks.

Are OTPs a secure way to encrypt data? Explain your answer

Briefly describe how DES works

What is the purpose of an S box in DES?

Using modern day computers which attacks can break Triple DES.

Describe how AES works

Explain how AES uses the Feistel Network?

Cite three major differences between DES and AES