# Chat: possível nova opção de criptografia RFC 9420 para chat

**URL:** <https://meta.discourse.org/t/chat-possible-new-crypto-option-rfc-9420-for-chat/290201>\
**Category:** Feature\
**Tags:** chat\
**Created:** [1 Janeiro , 2024 17:31 UTC](https://meta.discourse.org/t/chat-possible-new-crypto-option-rfc-9420-for-chat/290201 "2024-01-01T17:31:06Z")\
**Posts on this page:** 1\
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**Author:** ![Thomas\_Rother](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/thomas_rother/32/423597_2.png) [@Thomas\_Rother](https://meta.discourse.org/u/Thomas_Rother)\
**Post date:** [1 Janeiro , 2024 17:31 UTC](https://meta.discourse.org/t/chat-possible-new-crypto-option-rfc-9420-for-chat/290201/1 "2024-01-01T17:31:06Z")

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Acabei de voltar do congresso 37C3 em Hamburgo. Uma das palestras foi sobre o protocolo Messaging Layer Security (RFC 9420), publicado recentemente e finalizado pelo IETF em julho de 2023.

> **[RFC 9420 or how to scale end-to-end encryption with Messaging Layer Security](https://media.ccc.de/v/37c3-12064-rfc_9420_or_how_to_scale_end-to-end_encryption_with_messaging_layer_security)**
>
> They call it RFC 9420, we say MLS: A new IETF standard for end-to-end encryption was published in July and brings large improvements in p...

O protocolo já está implantado no Webex e muito provavelmente será implementado por outros serviços comerciais e não comerciais (como Matrix ou Signal chat). Pode valer a pena considerar para o chat do Discourse também.

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