http://u.qdnx.org/file/-20170116T080726-d9mvdnf.html
Agreed, the #WhatsApp "issue" is not a bug, it's there by design. But a designer vulnerability is still a vulnerability. https://www.eff.org/deeplinks/2017/01/google-launches-key-transparency-while-tradeoff-whatsapp-called-backdoor !crypto