Encryption️ Intermediate Quiz 1

1. What is a "Block Cipher"?

2. What is a "Stream Cipher"?

3. What is "Padding" in block ciphers?

4. Which of these is a common stream cipher?

5. What is an "Initialization Vector" (IV)?

6. Why is it dangerous to reuse an IV with the same key?

7. What is "ECB" (Electronic Codebook) mode?

8. What is "CBC" (Cipher Block Chaining) mode?

9. Which mode of operation turns a block cipher into a stream cipher?

10. What is "Diffusion" in a cipher?