You cannot search Messages server side, that's true. But that's intended and I
guess there is no way to achieve this while preserving forward and future
secrecy. If you want to search through your messages, the only way is to do it
in your local archive.
An interesting feature would be to enable a device to reencrypt messages for
new device. That feature must not get triggered automatically though and should
only be done from explicit user request. That way you could synchronize
messages with devices that got registered after the messages have been sent.
The UX is relatively independent from the protocol I'd say. Yes, you should
have the user manually trust contacts devices, but I guess there are more
clever ways to do this rather than comparing the fingerprint (QR codes are
already a step in the right direction, but I'd consider researching more in
things like a web of trust or (as I once proposed in the mailing list) have
transitive trust between a users devices).
Am 25. März 2017 10:50:02 MEZ schrieb Evgeny Khramtsov <xramt...@gmail.com>:
>Sat, 25 Mar 2017 08:43:34 +0100
>Philipp Hörist <phil...@hoerist.com> wrote:
>
>> Can you go more into detail?
>> Why cant you search your OMEMO Messages?
>
>How to do this in MAM archive, server-side?
>
>> And what is the problem with losing a Device?
>
>If I lose a single device I have (or it gets broken, whatever), I lose
>access to all my MAM messages, because I lose the key.
>
>Another problem is UX: it's just terrible. Imagine an inexperienced
>user who sees something like "OMEMO fingerprint", or "Clean
>devices" (an example from Conversations). The first his question is
>"WTF
>is this???". This is the same problem as with PKIX certificates,
>like asking whether a user trusts a certificate or not: this just
>doesn't work.
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