The Roman general Gaius Julius Caesar encrypted 2,000 years ago messages to the commanders of his troops. Anyone who now thinks this is childish stuff from kindergarten books is deceiving themselves. Encryption Methods One of the simplest methods is moving characters in the ABC alphabet.įor the key “3,” the letter “D” replaces the value “A.” Using this method “HELP” becomes “KHOS.” The recipient, who also has the key “3,” counts three digits backwards in the alphabet and gets the plain text. News, be it war or simple love letters, written in such a way that a reader cannot grasp the meaning. Egyptian scribes used special hieroglyphs to encode grail inscriptions. The history of the encoding information began about 4,000 years ago. Due to the recent rise in attacks, encryption has become an important issue.
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