XMPP Video/VoIP encrypted?

Werner Dittmann Werner.Dittmann at t-online.de
Thu Jun 14 11:10:35 EDT 2012


Am 14.06.2012 15:22, schrieb Ethan Blanton:
> David Woolley spake unto us the following wisdom:
>> Beeblebrox at cryptolab.net wrote:
>>> I read at wikipedia about ZRTP (https://en.wikipedia.org/wiki/ZRTP)
>>
>> It seems to be encryption without authentication, which means it is
>> vulnerable to man in the middle attacks.
> 
> Authentication can be handled by the signalling protocol that sets up
> the RTP stream.

Yes, but you must make sure that you have secure connections on the
signalling level and this is not always guaranteed. Depending on the
authentication method you need support of SIP and/or XMPP servers.

Werner

> 
> Ethan
> 
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Werner Dittmann    Werner.Dittmann at t-online.de
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