Asynchronous Ratcheting Tree: Group Messaging with Strong Security Guarantees
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Re: Asynchronous Ratcheting Tree: Group Messaging with Strong Security Guarantees
#2The paper makes the Diffie-Hellman tree they use pretty easy to grok: https://eprint.iacr.org/2017/666.pdf
Re: Asynchronous Ratcheting Tree: Group Messaging with Strong Security Guarantees
#3For those interested in ART, there is an IETF working group attempting to standardise it as the "Messaging Layer Security" protocol. Their website [1] has a draft protocol document [2] which explains the ART scheme from a concrete engineering perspective, which I find easier to follow than the original ART paper.
[2]: https://github.com/mlswg/mls-protocol/blob/master/draft-ietf...
Re: Asynchronous Ratcheting Tree: Group Messaging with Strong Security Guarantees
#4For those interested in ART, there is an IETF working group attempting to standardise it as the "Messaging Layer Security" protocol. Their website [1] has a draft protocol document [2] which explains the ART scheme from a concrete engineering perspective, which I find easier to follow than the original ART paper. [1]: https://mlswg.github.io/ [2]: https://github.com/mlswg/mls-protocol/blob/master/draft-ietf...
Thanks for the pointers. This is nice work.
Re: Asynchronous Ratcheting Tree: Group Messaging with Strong Security Guarantees
#5For those interested in ART, there is an IETF working group attempting to standardise it as the "Messaging Layer Security" protocol. Their website [1] has a draft protocol document [2] which explains the ART scheme from a concrete engineering perspective, which I find easier to follow than the original ART paper. [1]: https://mlswg.github.io/ [2]: https://github.com/mlswg/mls-protocol/blob/master/draft-ietf...
https://mailarchive.ietf.org/arch/msg/mls/vskNqxGlJCKql0UsDK...
> At the interim last week, there was agreement to remove the discussion of ART from the protocol draft and focus on TreeKEM.