Information Theory and Security
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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.
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Information Theory and Security
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Information Theory and Security
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