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Compressing Certificates in TLS - The Backend Engineering Show

Hussein Nasser via YouTube

Overview

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This course teaches learners about compressing certificates in TLS, focusing on reducing the size of certificates exchanged during the TLS handshake. The learning outcomes include understanding the challenges of large certificate chains, exploring the concept of TLS certificate compression as per RFC 8879, comparing compression in TLS 1.2 and TLS 1.3, and identifying potential issues in the compression process. The course covers topics such as certificate chains, certificate faking, certificate stores, and the impact of including ROOT certificates. The teaching method involves a podcast format with discussions on the mentioned topics. This course is intended for backend engineers, network engineers, security professionals, or anyone interested in optimizing TLS certificate exchanges.

Syllabus

Intro
Certificate Chain
Faking the chain
Certificate Stores
Including ROOT cert in the chain
The performance penalty of large certificate chain
RFC 8879 TLS Certificate Compression
How Compression Works in TLS 1.2 vs TLS 1.3
What could go wrong?

Taught by

Hussein Nasser

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