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Cryptography - Introduction
Lesson 1 of 40 • 120 upvotes • 8:22mins
Ansha P
Cryptography and Network Security for GATE
40 lessons • 7h 46m
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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