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Documents CRYPTOGRAPHY Lecture 4. Secure transmission Steganographycryptography TranspositionSubstitution...

Slide 1 CRYPTOGRAPHY Lecture 4 Slide 2 Secure transmission Steganographycryptography TranspositionSubstitution Monoalphabetic Slide 3 Mono-alphabetic Substitution Cipher…

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Cryptology Some slides were adapted from a presentation by DJ Holub. - by permission What I will talk about History Basic Cryptography Public Key Cryptography SSL Certificates…

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CRYPTOGRAPHY Lecture 4 Mono-alphabetic Substitution Cipher Allow any permutation of the alphabet Each letter is replaced by a different letter or symbol Roughly 288 possibilities:…