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12:33
YouTube
CrashCourse
Cryptography: Crash Course Computer Science #33
Today we’re going to talk about how to keep information secret, and this isn’t a new goal. From as early as Julius Caesar’s Caesar cipher to Mary, Queen of Scots, encrypted messages to kill Queen Elizabeth in 1587, theres has long been a need to encrypt and decrypt private correspondence. This proved especially critical during World War ...
919.6K views
Oct 25, 2017
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