Applied Cryptography: 12. Transport Layer Security (TLS) Basic

Lecture 12: Transport Layer Security (TLS), TLS handshake, TLS session resumption, TLS record layer, TLS messages, TLS encryption and MAC process, TLS key derivation

00:00 Introduction
00:15 Transport Layer Security (TLS)
03:15 TLS version history
04:25 TLS handshake
10:02 TLS session resumption
14:27 TLS Record Layer
19:37 Dissecting TLS with Wireshark
20:37 Alert message
21:24 Change Cipher Spec message
21:42 Application Data
22:02 Handshake message
23:33 Handshake message: ClientHello
26:45 Handshake message: ServerHello
27:45 Handshake message: Certificate
28:28 Handshake message: ServerHelloDone
28:59 Handshake message: ClientKeyExchange
30:12 Handshake message: Finished
30:48 TLS encryption process
34:43 Key derivation
36:38 MAC calculation
38:25 Task: TLS getcert
41:00 Task: TLS getcert
41:35 Task: TLS getcert
43:37 Task: TLS client (next homework)
44:58 Task: TLS client
46:50 Debugging
47:28 RC4 (TLS_RSA_WITH_RC4_128_SHA)
49:34 Most common pitfalls

University of Tartu, MTAT.07.017 Applied Cryptography, Spring 2024
Instructor: Arnis Parsovs