And it'd have helped if I'd put the URI: https://matrix.org/docs/spec/olm.html
On 12 April 2016 at 19:18, Dave Cridland <[email protected]> wrote: > > > On 12 April 2016 at 17:08, Fabian Beutel <[email protected]> wrote: > >> Hey everyone, >> >> as I'm currently trying to implement OMEMO out of curiosity, I wanted to >> bring up a few points that might be of interest to the discussion: >> >> 1. There still seems to be no real protocol specification, but there has >> been a "whitepaper" by Whatsapp [1] that describes the protocol used, >> which is not suitable as a standards specification but is a nice >> introduction for understanding the protocol - if anyone is interested. >> >> > There is, however, "olm", from the Matrix folk. This is a direct copy of > Axolotl, except done as a decent spec and with (I think) a > liberally-licensed reference implementation. Should be fully compatible > with Signal's. > > If we can (nominally) switch to Olm, I'm actually quite happy with this > spec (given the current absence of any proxy re-encryption stuff). > > >> 2. A minor issue, but as you probably know, the people from >> OpenWhisperSystems have renamed their protocol from Axolotl to Signal >> and seem to be eager to push these changes throughaut their repositories. >> An updated OMEMO proposal should probably reflect that change, as >> references to Axolotl may become less clear when the Signal-people >> remove all appearences of the old name. >> >> 3. There have been discussions on this list to use v2 of the Axolotl >> protocol. However, it seems that the OWS people have removed support for >> v2 from most of their libraries ([2] for the Java lib, [3] for the C >> lib). That could indeed be a problem if v2 would be the default version, >> as probably most people will want to rely on the reference >> implementations... >> >> Best regards, >> Fabian >> >> >> [1] https://www.whatsapp.com/security/WhatsApp-Security-Whitepaper.pdf >> [2] >> >> https://github.com/WhisperSystems/libsignal-protocol-java/commit/87b5b940fbf9624ad0302721f6e54d7e5250df70 >> [3] >> >> https://github.com/WhisperSystems/libsignal-protocol-c/commit/57d85a0dc81a4e6d59ac20633a08040f57a29ddb >> _______________________________________________ >> Standards mailing list >> Info: http://mail.jabber.org/mailman/listinfo/standards >> Unsubscribe: [email protected] >> _______________________________________________ >> > >
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