This is similar to the original proprietary zfone Windows application. It would packet capture your VoIP audio stream before it exited the network interface on localhost and insert ZRTP packets into the stream to test if the other end could perform a key exchange.
Clever use of what is referred to negatively as "Deep Packet Inspection" -Lee On Friday, December 19, 2014, Nathan of Guardian < [email protected]> wrote: > > > ----- Original message ----- > From: Wasa Bee <[email protected] <javascript:;>> > To: liberationtech <[email protected] <javascript:;>>, > messaging > <[email protected] <javascript:;>> > Subject: [messaging] BabelCrypt: The Universal Encryption Layer for > Mobile Messaging Applications > Date: Fri, 19 Dec 2014 14:40:30 +0000 > > This [0] may of interest to people implementing secure IM. Instead of > creating an IM app from scratch and hoping for wide adoption, babelcrypt > is a keyboard app. One installed an an android smartphone, the keyboard > passes encrypted data to an existing IM app such as whatsapp or Fb > messenger. Using certain android APIs, it can also access content on the > screen to display received messages. > > [0] > http://www.iseclab.org/people/mweissbacher/publications/babelcrypt_fc.pdf > _______________________________________________ > Messaging mailing list > [email protected] <javascript:;> > https://moderncrypto.org/mailman/listinfo/messaging > > > -- > Nathan of Guardian > [email protected] <javascript:;> > _______________________________________________ > Guardian-dev mailing list > > Post: [email protected] <javascript:;> > List info: https://lists.mayfirst.org/mailman/listinfo/guardian-dev > > To Unsubscribe > Send email to: [email protected] > <javascript:;> > Or visit: > https://lists.mayfirst.org/mailman/options/guardian-dev/lee%40guardianproject.info > > You are subscribed as: [email protected] <javascript:;> >
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