Slide 1 Slide 2 www.fakengineer.com Seminar on (ENCODING AND DECODING TECHNIQUES) Slide 3 www.fakengineer.com Introduction What is Cryptography Why we need Cryptography Slide…

Slide 11 Cryptography encryption authentication digital signatures one-way functions hash algorithms key generation, exchange and management Slide 2 2 Encryption Transforming…

Slide 17/3/01 DES, Triple-DES, and AES Sandy Kutin CSPP 532 7/3/01 Slide 2 Symmetric Cryptography zSecure communication has two parts: yEstablish a key (public key methods)…

Slide 1Security Cryptology CS3517 Distributed Systems and Security Lecture 18 Slide 2 What is Cryptology? Cryptology covers two related fields: – Cryptography: how to keep…

Slide 1 Criptografia Simétrica Prof. Eduardo Bastos Slide 2 Terminologia Básica plaintext (texto claro) – mensagem original plaintext (texto claro) – mensagem original…

Slide 11 Symmetric Key Crypto Alfred C. Weaver Tom Horton CS453 Electronic Commerce Slide 2 2 Readings: Chapter 13 of Treese and Stewart textbook Web resources Weaver’s…

Slide 1 Introduction to Cryptography INFSCI 1075: Network Security – Spring 2013 Sam T. Zargar Slide 2 2 Security Features and Mechanisms  Security Features (Security…

Slide 1 & Bits Nuts and Bits of PKI Mark L. Silverman, CISSP Center for Information Technology National Institutes of Health CENDI Symposium on PKI and Digital Signatures…

Slide 1 Slide 2 6/3/2015Gene Itkis: BU CAS 558 - Network Security1 CS 558: Network Security Gene Itkis Slide 3 6/3/2015Gene Itkis: BU CAS 558 - Network Security2 Network…

Slide 1 Cryptography Slide 2 Terminology Algorithm Mathematical rules used for encryption and decryption Mathematical rules used for encryption and decryptionCiphertext Data…