Unit 3

Unit 3


  1. The use of encoding a message to be decoded by the receiver can be traced back Ancient Greece, where Histiaeus shaved the head of a slave and tattooed a message on the head and let the hair grow back before the slave delivered the message to his nephew Asistagoras.  This form of encoding is called steganography.

Over time the encoding became more sophisticated and during World War II British mathematician Alan Turing along with other code breakers at Bletchley Park cracked the German Enigma Code to help the Allied forces fight the war against the Germans.


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