So far, it has looked as though the cryptanalyst will always win, even if it takes thousands of years. As a counterpoint, we present an unbreakable cipher …
The one-time-pad (OTP) has been around for over 100 years and is still unbreakable, so why is it not used as the default encryption scheme in all cases?
Read this article on the one-time pad and discuss the limitations with the other learners. Can you find cases where OTP is still useful?
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