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LANGUASCO, A., & PERELLI, A. (2003). Prime Numbers and Cryptography. Mathematics and Culture, Springer.

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Pictures

Alan Turing: https://www.nytimes.com/2019/06/05/obituaries/alan-turing-overlooked.html

German Enigma Machine: https://en.wikipedia.org/wiki/Cryptanalysis_of_the_Enigma