1.  Cryptology is the science of encryption Cryptography • Literally means hidden writing • Is the process of making and using codes to secure communication Cryptanalysis…

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Slide 1 Section 2.3: Substitution Ciphers Practice HW from Barr Textbook (not to hand in) p. 92 # 1, 2 # 3-5 (Use Internet Site)Use Internet Site Slide 2 A substitution cipher…

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