Computer Network Security Protocols And Techniques (Updated 02 2021)

Public-Private Key Cryptography, Hash Functions, End Point Authentication, TLS/SSL, IPsec in VPNs, Integrity Protection
What you'll learn:
Computer Network security Alogorithms
Symmetric And Asymmetric Key Cryptography
Traditional And Modern Ciphers
Message Authentication/Integrity Protection
Hash Functions
RSA And diffie hellman Key Exchange Algorithms
End Point Authentication
E-mail security Protocol
Transport Layer Security (TLS)
Secure Socket Layer (SSL)
IPsec for virtual private networks

Requirements
Familiarity With Basic Computer Network Concepts

Description
The aim of this course is to introduce the student to the area of computer Network Security. This course develops a basic understanding of the algorithms used to protect the flow of information in Computer networks and to understand some of the design choices behind these algorithms.

The content of this course are as follows:

Section 1: Introduction

What is Computer Network Security?

Friends And Enemies: Alice, Bob and Eve

Section 2: Principles Of Cryptography

The Terminologies Of Cryptography

Two Domains Of Cryptography-Symmetric Key Cryptography & Public Key Cryptography

Traditional Ciphers and its Types

Example Of Shift Cipher-Caesar Cipher

Example of Transposition Cipher

Section 3: The Modern Ciphers

DES and Triple DES

Advanced Encryption Standard (AES)

Modes of Operation for block cipher: ECB, CBC,CFB, OFB

Section 4: Asymmetric key cryptography

Rivest, Shamir, Adleman (RSA) Algorithm

Diffie-Hellman Key Exchange Algorithm

Man In The Middle Attack

Section 5: Message Authentication-Integrity Protection Using Digital Signatures

Hash Functions-MD5 and SHA-1

Role Of Certification Authorities in Public Key Encryption

Section 6: End Point Authentication Scenarios to avoid man in the middle attack

Section 7: Securing The E-mail

Pretty Good Privacy (PGP) to secure e-mail

Section 8: Transport Layer Security Using TLS/SSL

TLS Security Services (TLS) Services

The bigger picture-Toy TLS/SSL Example

Actual TLS-SSL Cipher Suite

Protocols used in actual TLS

Handshake in Actual TLS

Actual TLS Record Protocol

Actual TLS Flow Diagram

Section 9: Virtual Private Networks

IPsec Protocol in VPNs

IPsec Security Services

IPSec Framework

IPSec Security Association

Internet Key Exchange (IKE): IKE Phase 1, IKE Phase 2

Authentication Header (AH) Vs Encapsulating Security Payload (ESP)

Transport Versus Tunnel Mode

Authentication Header (AH) Protocol

Encapsulating Security Payload (ESP)

Four Modes Of IPsec

Who this course is for
Beginner, Intermediate and Network Engineers who want to learn about Security


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