What is signatures?
Explain zero-knowledge proofs?
What is Compressed archives?
What is compression?
Explain Secret splitting protocol?
What is stream ciphers?
What is Steganography?
What is Key escrow?
What are pseudo-random numbers?
What are "Exotic" protocols?
Expalin LaGrange Interpolation Polynomial Scheme?
What are the Problems with watermarking?
What is Block ciphers?
What is Delimited data?
Explain Digital steganography using other formats?