| http://www.w3.org/ns/prov#value | - But in 1949, in a brilliant paper that swiftly following his founding of information theory, Claude Shannon showed by watertight mathematical logic that, providing all the conditions for security are met, the one-time pad is totally unbreakable.1 The ciphertext of the one-time pad gives an enemy cryptanalyst no information at all about the message except for its length.
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