What is watermarking?
What are Shared secrets?
What are the Problems with watermarking?
Explain Digital steganography using images?
What is stream ciphers?
Explain zero-knowledge proofs?
Explain Digital steganography using other formats?
What are pseudo-random generators?
What is compression?
What is signatures?
What is Provable security?
What is Block ciphers?
Differences between Watermarking vs. signatures?
What are threshold schemes?
What are "Exotic" protocols?