[Standards] Proposed XMPP Extension: Ephemeral Messages

Paul Schaub vanitasvitae at fsfe.org
Sat Dec 28 17:29:52 UTC 2019


That is true.
The related part of the double ratchet spec is https://signal.org/docs/specifications/doubleratchet/#out-of-order-messages

Paul

28.12.2019 18:11:18 Philipp Hörist <philipp at hoerist.com>:

> Hi,
> 
> > 4.5 Exchanging Ephemeral OMEMO Messages
> > OMEMO requires that messages are delivered in a sequence. If a message is missing, all the following messages cannot be decrypted and a new session has to be established.  
> This is wrong, OMEMO can well deal with missing messages, this and all subsequent points that build on that assumption should be removed from the XEP  
> Regards  Philipp
> 

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