Applied Cryptology – The Science of Secrecy Dr. Victor Ralevich Sheridan Institute Credit for some of the slides goes to Dr. Richard J.Spillman Basic Terminology Encryption:…

Section 2.5: Polyalphabetic Substitutions Practice HW (not to hand in) From the Barr Text p. 118 # 1-6 In the monoalphabetic ciphers (shift, affine, substitution) we have…

Computer Networking Security and Cryptographic Algorithms Dr Sandra I. Woolley * Contents A summary of security threats and requirements Cryptography vs steganography Keys…

Section 2.4 Transposition Ciphers Practice HW (not to hand in) From Barr Text p. 105 # 1 - 6 Transposition Ciphers are ciphers in which the plaintext message is rearranged…

Introduction to Codes, Ciphers, and Cryptography Michael A. Karls Ball State University Introduction Throughout history, people have had the need to send messages to other…

Computer Networking Security and Cryptographic Algorithms Dr Sandra I. Woolley * Contents A summary of security threats and requirements Cryptography vs steganography Keys…

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

Training Computer Networking Security and Cryptographic Algorithms Dr Sandra I. Woolley 1 Contents A summary of security threats and requirements Cryptography vs steganography…

TCP/IP (Chapter 8) Multimedia Data Security and Cryptographic Algorithms Dr Mike Spann http://www.eee.bham.ac.uk/spannm [email protected] Electronic, Electrical and Computer…

Multimedia Data Security and Cryptographic Algorithms Dr Sandra I. Woolley http://www.eee.bham.ac.uk/woolleysi [email protected] Electronic, Electrical and Computer…