1. Given short notes on RC5 key expansion process. 2. Explain about RC5 encryption and decryption operation in detail. 12. What are the advantages of RC5? 3. What is IDEA? Explain in detail about IDEA...

1. Given short notes on RC5 key expansion process.

2. Explain about RC5 encryption and decryption operation in detail. 12. What are the advantages of RC5?

3. What is IDEA? Explain in detail about IDEA encryption and decryption operations.

4. Explain in detail about Blowfish encryption and decryption operations.