CS 472 - Network & Systems Security-Fall 11 Lectures

• General Concepts
• Introduction to Cryptography
• Introduction to OpenSSL

Message Digests

Public Key Cryptography

Secret Key Cryptography

Base64 Encode/Decode

• Secret Key Cryptography 

General Block Encryption

Data Encryption Standard (DES)

International Data Encryption Algorithm (IDEA)

Advanced Encryption Standard (AES)

Stream Cipher RC4

Block Chaining

Electronic Code Book (ECB)

Cipher Block Chaining (CBC)

Output Feedback Mode (OFB)

Cipher Feedback Mode (CFB)

Counter Mode (CTR)

Multiple Encryption DES

• Hashes and Message Digests

Major Algorithms

Things to do with Hash

MD 2 Algorithm

• Public Key Cryptography

Modular Arithmetic

RSA

Diffie-Hellman

ElGammal Signatures

Zero-Knowledge Proofs

· Number_Theory

Prime Numbers

Euclid’s Algorithm

The Chinese Remainder Theorem

Euler’s Theorem

• Public Key Infrastructure (PKI) Certificates

Certificate Requests Commands

Certificate Authority Commands

Application of PKI: Secure MIME

• Email Security: PEM & S/MIME
• Real-Time Communication Security: SSL, https

• Introduction to Authentication Systems
• Security Handshake Protocols
• Network Authentication Standards: Kerberos