Unsolved! : the history and mystery of the world's greatest ciphers from ancient Egypt to online secret societies /

"In 1953, a man was found dead from cyanide poisoning near the Philadelphia airport with a picture of a Nazi aircraft in his wallet. Taped to his abdomen was an enciphered message. In 1912, a book dealer named Wilfrid Voynich came into possession of an illuminated cipher manuscript once belongi...

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Bibliographic Details
Call Number:Libro Electrónico
Main Author: Bauer, Craig P. (Author)
Format: Electronic eBook
Language:Inglés
Published: Princeton, NJ : Princeton University Press, 2017.
Subjects:
Ciphers > History.
Ciphers > Problems, exercises, etc.
Chiffres (Cryptographie) > Histoire.
Chiffres (Cryptographie) > Problèmes et exercices.
MATHEMATICS > Recreations & Games.
COMPUTERS > Security > Cryptography.
COMPUTERS > Computer Science.
Ciphers.
History.
Problems and exercises.
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