Caesar ciphers - PowerPoint PPT Presentation

Internet security

Internet security. Cryptography. Cryptography. Cryptography is derived from the word ‘Kryptos’ which means hidden or secret. Cryptography. Cryptography is thought to date back to the Egyptians and their use of hieroglyphics. Cryptography. Hieroglyphics were complex pictograms.

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Vigenére Cipher

Vigenére Cipher. Kimberly Chiffens &amp; Maria Jannelli. What is it?. Cryptology is the science of securing information Frenchman Blaise de Vigenere created this cipher based on the polyalphabetic substitution based cipher This particular cipher involves a multiple shift method

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391 views • 6 slides

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