Ever wondered how encryption really works? In this video I explore all the key types you might find!
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▬▬▬▬▬▬ C H A P T E R S ⏰ ▬▬▬▬▬▬
0:00 – Introduction
1:12 – Everything is encrypted!
1:57 – Why encrypt?
4:06 – Browser "secure"
6:25 – Cipher information of a connection
9:30 – Pack capture and TCP handshake
10:52 – HTTP, TLS and HTTPS
12:55 – Cheesecake Factory and TLS 1.2
14:13 – Types of encryption – Symmetric
17:19 – Enter Modulus
21:45 – Asymmetric encryption
27:55 – TLS handshake – Client Hello
34:03 – Server Hello
38:39 – Certificate
46:30 – Server Key Exchange
48:48 – Server Hello Done
49:23 – Client Key Exchange, Change Cipher Spec and Encrypted Handshake
51:26 – Server Change Cipher Spec and Encrypted Handshake
52:36 – TLS Record Protocol to send data
55:16 – How to share a secret
56:05 – Why not just use RSA?
58:07 – Diffie-Hellman with colors
1:02:06 – Diffie-Hellman with math
1:09:55 – Diffie-Hellman with elliptic curves
1:15:10 – Adding g to itself on a curve
1:17:47 – Curves in a finite field
1:31:05 – Named curves
1:33:28 – How its used
1:38:15 – Pre-master secret to master secret
1:41:22 – Shawn the terrible person
1:42:00 – ECDHE WITH RSA
1:43:55 – Using two very big prime numbers
1:50:22 – Using RSA and a test
1:55:29 – Hash with SHA
2:03:24 – WE HAVE A SHARED SECRET
2:04:24 – Advanced Encryption Standard
2:06:10 – Key scheduler to round keys
2:06:55 – A round
2:12:10 – Multiple rounds and final output
2:14:29 – AES ECB problem
2:16:28 – Cipher Block Chaining
2:18:40 – Counter mode
2:23:29 – Shawn and Tim still a problem
2:24:30 – Galois Counter Mode to save us
2:30:05 – And done!
2:32:40 – TLS 1.3 differences
2:37:00 – Summary and close
▬▬▬▬▬▬ K E Y L I N K S 🔗 ▬▬▬▬▬▬
► Whiteboard:
🔗 https://github.com/johnthebrit/RandomStuff/raw/master/Whiteboards/HowEncryptionWorks.png
▬▬▬▬▬▬ Want to learn more? 🚀 ▬▬▬▬▬▬
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