'Message confidentiality' diaporamas de présentation

Lecture 02 Symmetric Cryptography

Lecture 02 Symmetric Cryptography. Asst.Prof. Supakorn Kungpisdan, Ph.D. supakorn@mut.ac.th. Outline. Overview of Cryptography Symmetric Cryptography Classical Cryptographic Techniques Block Ciphers VS Stream Cipher DES and 3DES Advanced Encryption Standard (AES)

1.83k views • 149 slides

UNIT -8

UNIT -8. NETWORK SECURITY. Need of Security. For the first few decades computer networks were primarily used by university researchers for sending e-mail and by corporate employees for sharing printers . In these conditions, security did not get a lot of attention.

1.27k views • 110 slides

Introduction to network security

Introduction to network security . L. Tahani Al jehani. COMPUTER SECURITY CONCEPTS. Information security : Before the widespread use of data processing equipment, the security of information felt to be valuable to an organization was provide primarily by physical and administrative means.

1.7k views • 37 slides

X-ATM

380 views • 24 slides

Cryptography & Network Security

658 views • 22 slides