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Substitution Techniques 10/18/2010 K.Marimuthu,SCSE Network Security 1 Classical Ciphers Plaintext is viewed as a sequence of elements (e.g., bits or characters) Substitution…

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CSCE 815 Network Security Lecture 3 Data Encryption Standard (DES) Outline Review classical cryptography ± ± ± ± ± ± Monoalphabetic Ciphers cryptanalysis using letter…

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Slide 1 Classical Encryption Techniques Lecture slides adapted from Lawrie Brown 1 Slide 2 Chapter 2 – Classical Encryption Techniques Many savages at the present day regard…

Documents Chapter 2 – Classical Encryption Techniques Jen-Chang Liu, 2005 Adopted from lecture slides by...

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