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Cryptography - Introduction

Lesson 1 of 40 • 120 upvotes • 8:22mins

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Ansha P

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1

Cryptography - Introduction

8:22mins

2

Principles of Security

8:30mins

3

Security Attacks

11:36mins

4

A Basic Cryptographic System - Symmetric key/Private key system.

9:18mins

5

Symmetric Encryption, Caesar cipher

11:32mins

6

Multiplicative cipher - Encryption & decryption

12:50mins

7

Affine cipher - Encryption and Decryption

11:04mins

8

Playfair cipher

13:44mins

9

Playfair cipher - Problem.

14:40mins

10

Hill cipher with an example of 2x2 matrices.

11:26mins

11

Hill cipher decryption

14:27mins

12

Hill cipher - Example of 3x3 matrices - Encryption part.

10:30mins

13

Hill cipher - Example of 3x3 matrices - Decryption part.

14:24mins

14

Vignere's cipher - Encryption & decryption

8:57mins

15

Auto key cipher

10:53mins

16

Transposition ciphers- Rail fence & Columnar method

10:15mins

17

Columnar transposition with key & Double transposition cipher.

11:58mins

18

Route cipher

11:48mins

19

Cryptanalytic attacks

13:31mins

20

Rotor machines

10:47mins

21

Block ciphers

10:04mins

22

Block ciphers - Modes of Operation - Part 1

11:48mins

23

Block ciphers - Modes of Operation - Part 2

12:03mins

24

Data Encryption Standard - Part 1

14:43mins

25

Data Encryption Standard - Part 2

9:31mins

26

Advanced Encryption Standard (AES) - Part 1

12:45mins

27

Advanced Encryption Standard (AES) - Part 2

13:08mins

28

International Data Encryption Algorithm (IDEA)

11:52mins

29

Public key cryptography.

9:43mins

30

RSA Algorithm

13:19mins

31

Problem on RSA Algorithm.

8:15mins

32

Diffie Hellman Key Exchange Algorithm.

11:40mins

33

Gate questions on RSA and Diffie Hellman Key Exchange Algorithm

9:44mins

34

Elliptic Curve Cryptography (ECC)

12:06mins

35

Message authentication code

13:07mins

36

Hash functions

13:38mins

37

Digital Signature

10:29mins

38

Digital signature algorithm (DSA)

12:04mins

39

Gate questions on Digital Signature

12:44mins

40

Firewalls, Types of Firewalls

12:53mins

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