The crypto systems

Lecture Steganography: Introduction of Mr. Ho Dac Hung provides problem messages, covers objects, cryptosystems, steganographic keys (stego key), steganography throughout history, and modern steganography. Download this lecture to see more.

30p lavender2022 22-04-2022 16 3   Download

Up to this point we have seen: Classical Crypto Symmetric Crypto Asymmetric Crypto These systems have focused on issues of confidentiality: Ensuring that an adversary cannot infer the original plaintext message, or cannot learn any information about the original plaintext from the ciphertext. In today’s lecture we will put a more formal framework around the notion of what information is, and use this to provide a definition of security from an information-theoretic point of view.

24p muathu_102 28-01-2013 72 6   Download