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Network Security and Cryptography

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Adam Reagan

A brief discussion of network security and an introduction to cryptography. We end the presentation with a discussion of the RSA algorithm, and show how it works with a basic example.

1 of 36
Network Security and Cryptography By Adam Reagan CIS 504 – Data Communications The College of Saint Rose, Albany NY Spring 2008
A Need For Security ,[object Object],[object Object],[object Object]
TCP/IP Communications Security ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Aspects of Security ,[object Object],[object Object],[object Object]
Security Attack ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Other Types of Attacks
Interruption ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Interception ,[object Object],[object Object],[object Object],[object Object]
Modification ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Fabrication ,[object Object],[object Object],[object Object],[object Object]
Security Mechanism ,[object Object],[object Object],[object Object],[object Object]
Security Service ,[object Object],[object Object],[object Object]
Examples of Services ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Conventional Encryption ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Conventional Encryption Techniques ,[object Object],[object Object],[object Object],[object Object]
Single-Key Encryption Schematic
Substitution Ciphers ,[object Object],[object Object]
Caesar Cipher ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Transposition Cipher ,[object Object],[object Object],[object Object]
Rail Fence Cipher ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Data Encryption Standard (DES) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
TDES and AES ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Public-Key Cryptography ,[object Object],[object Object],[object Object],[object Object],[object Object]
 
Number Theory ,[object Object],[object Object],[object Object],[object Object]
Number Theory ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Euler Totient Function ,[object Object],[object Object],[object Object],[object Object],[object Object]
The RSA Algorithm ,[object Object],[object Object],[object Object]
RSA Key Generation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
RSA Encryption/Decryption ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
An Example ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Example - Key Generation ,[object Object],[object Object],[object Object]
Example - Encryption ,[object Object],[object Object],[object Object],[object Object],[object Object]
Example - Decryption ,[object Object],[object Object],[object Object],[object Object]
Summary ,[object Object],[object Object],[object Object],[object Object]
Resources ,[object Object],[object Object],[object Object],[object Object],[object Object]

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Network Security and Cryptography