1. Briefly explain the steps of message digest generation in Whirlpool with a block diagram.
2. How the diffusion layer differs in Whirlpool block cipher W and AES?
3. Mention any four differences between Whirlpool block cipher W and AES.
4. Write a short note on Whirlpool cipher W.
1. What is a digital signature?
2. Differentiate digital certificate with digital signature.
3. What are the uses of digital signature?