DiscoverThe Backend Engineering Show with Hussein NasserEncrypted Client Hello - The Pros & Cons
Encrypted Client Hello - The Pros & Cons

Encrypted Client Hello - The Pros & Cons

Update: 2023-09-29
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Description



The Encrypted Client Hello or ECH is a new RFC that encrypts the TLS client hello to hide sensitive information like the SNI. In this video I go through pros and cons of this new rfc.

0:00 Intro
2:00 SNI
4:00 Client Hello
8:40 Encrypted Client Hello
11:30 Inner Client Hello Encryption
18:00 Client-Facing Outer SNI
21:20 Decrypting Inner Client Hello
23:30 Disadvantages
26:00 Censorship vs Privacy ECH

https://blog.cloudflare.com/announcing-encrypted-client-hello/
https://chromestatus.com/feature/6196703843581952

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Encrypted Client Hello - The Pros & Cons

Encrypted Client Hello - The Pros & Cons

Hussein Nasser