[jitsi-users] encrypted offline messages

Archive
#1

Hello,

I'm just starting with jitsi.

How is encrypted offline messaging supposed to work?

Up to now the only thing I realized is that I see a message:

  otheruser/jitsi-8q6i08 sent you an unreadable encrypted message.

I understand that I am probably unable to decrypt that message since the
session key from the previous connection between me and "otheruser" is
not valid anymore (or even nowhere stored after I've logged out from
jitsi). That's somehow bad, but maybe I better accept this as a security
feature.

http://xmpp.org/extensions/xep-0160.html#security

The otheruser sees:

  You sent foo@jit.si (Jabber) an unreadable encrypted message.
  Please end your private conversation with ralhex@jit.si (Jabber) or
  refresh it."

What should be done to get all the unreadable messages resent (in case I
and otheruser are both online again)? Just cut&paste or is there a
one-click solution or even some automated synchronization?

Is there perhaps even some way I can read an encrypted message that
otheruser sent to me while I was offline (even when now I am online and
otheruser is offline).

Ralf

PS: In my situation both partners use the jit.si server.

#2

Hey Ralf,

There's no way to do this automatically. The messages would have to be
resent.

Emil

--sent from my mobile

···

On 08 Aug 2014 4:59 AM, "Ralf Hemmecke" <hemmecke@gmail.com> wrote:

Hello,

I'm just starting with jitsi.

How is encrypted offline messaging supposed to work?

Up to now the only thing I realized is that I see a message:

  otheruser/jitsi-8q6i08 sent you an unreadable encrypted message.

I understand that I am probably unable to decrypt that message since the
session key from the previous connection between me and "otheruser" is
not valid anymore (or even nowhere stored after I've logged out from
jitsi). That's somehow bad, but maybe I better accept this as a security
feature.

http://xmpp.org/extensions/xep-0160.html#security

The otheruser sees:

  You sent foo@jit.si (Jabber) an unreadable encrypted message.
  Please end your private conversation with ralhex@jit.si (Jabber) or
  refresh it."

What should be done to get all the unreadable messages resent (in case I
and otheruser are both online again)? Just cut&paste or is there a
one-click solution or even some automated synchronization?

Is there perhaps even some way I can read an encrypted message that
otheruser sent to me while I was offline (even when now I am online and
otheruser is offline).

Ralf

PS: In my situation both partners use the jit.si server.

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