آموزش رمزنگاری متقارن - آخرین آپدیت

Classical Cipher: Substitution Classical Cipher: Substitution

• Instructor Introduction Instructor Introduction

• Module Objectives Module Objectives

• Alphabet Alphabet

• Substitution and Caesar Cipher Substitution and Caesar Cipher

• Modulo Operation Modulo Operation

• Monoalphabetic Cipher Monoalphabetic Cipher

• Natural Language Redundancy Natural Language Redundancy

• Polyalphabetic Cipher and Vigenere Cipher Polyalphabetic Cipher and Vigenere Cipher

Classical Cipher: Transposition Classical Cipher: Transposition

• Module Objectives Module Objectives

• Rail Fence Cipher Rail Fence Cipher

• Permutation Cipher Permutation Cipher

• Permutation Cipher Security Permutation Cipher Security

• Product Cipher Product Cipher

Block Cipher and DES Block Cipher and DES

• Modern Cipher and Module Objectives Modern Cipher and Module Objectives

• Block Cipher vs. Stream Cipher Block Cipher vs. Stream Cipher

• Ideal Block Cipher Ideal Block Cipher

• Feistel Cipher Feistel Cipher

• DES Overview DES Overview

• DES Round Function DES Round Function

• DES Subkey Generation DES Subkey Generation

• DES Security DES Security

3 DES and AES 3-DES and AES

• Module Ojectives Module Ojectives

• Double DES and Meet in the Middle Attack Double-DES and Meet-in-the-Middle Attack

• Triple DES Triple DES

• Advanced Encryption Standard (AES) Advanced Encryption Standard (AES)

Block Cipher Operation Modes Block Cipher Operation Modes

• Module Objectives Module Objectives

• Electronic Codebook (ECB) Electronic Codebook (ECB)

• Cipher Block Chaining (CBC) Cipher Block Chaining (CBC)

• Cipher Feedback (CFB) Cipher Feedback (CFB)

• Output Feedback (OFB) Output Feedback (OFB)

• Counter (CTR) Counter (CTR)