1. Speaking Task Diego Ulloa Iglesias.Assessment in English Communicative Competence (EVA0602-1) Mrs. Roxanna Correa Pérez June 7th, 2012. 2. Outline 1. Test specifications…
Slide 1 Slide 2 1. Classical encryption techniques 2. Block ciphers and the data encryption standard 3. Basic concepts in number theory and finite fields 4. Advanced encryption…
1.Theory and Practice of Cryptography From Classical to Modern 2. About this CourseAll course materials: http://saweis.net/crypto.shtmlFour Lectures:1. History and foundations…
Slide 1Types of Cipher Machines 2000 Years of Cryptology Types of Cipher Machines 2000 Years of Cryptology Ralph Simpson [email protected] Slide 2 Types of Cipher…
Slide 1 Steganography in digital media Slide 2 Steganography is sometimes called - Secret writing - Concealed writing - Covert communication - Stealth communication - Data…
Slide 1 Classical Cryptography Slide 2 What is cryptography? kryptos – “hidden” grafo – “write” Keeping messages secret Usually by making the message unintelligible…
Slide 1 Cryptography Slide 2 What is cryptography? kryptos – “hidden” grafo – “write” Keeping messages secret Usually by making the message unintelligible…
Slide 1 LOGO Public Key Encryption Kyle Schmidt Slide 2 A Brief History of Cryptography Ancient Greeks Scytale Cipher Julius Caesar Caesar Cipher “Enigma”…
Secure OFDM-PON System Based on Chaos and Fractional Fourier Transform Techniques Author: Lei Deng, Mengfan Cheng, Xiaolong Wang, Hao Li, Ming Tang, Senior Member, IEEE,…
Classical Cryptography What is cryptography? kryptos â âhiddenâ grafo â âwriteâ Keeping messages secret Usually by making the message unintelligible to anyone that…