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MathQED News

The Caesar cipher | Journey into cryptography | Computer Science | Khan Academy

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Posted on: January 6, 2019
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[youtube https://www.youtube.com/watch?v=sMOZf4GN3oc&w=640&h=360]Brit explains the Caesar cipher, the first popular substitution cipher, and shows how it was broken with “frequency analysis” Watch the next lesson: …