The History of Cryptography

Look, I scrambled up the message so no one can read it.

Response: Yes, but now neither can we.

Cryptography has roots that begin around 2000 B.C. in Egypt, when hieroglyphics were used to decorate tombs to tell the life story of the deceased. The intention of the practice was not so much about hiding the messages themselves; rather, the hieroglyphics were intended to make the life story seem more noble, ceremonial, and majestic.

Encryption methods evolved from being mainly for show into practical applications used to hide information from others.

A Hebrew cryptographic method required the alphabet to be flipped so ...

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