On the CCA (in)security of MTProto

And this will probably be another thing that the creators of Telegram will mock, showing yet again that they are perpetually oblivious to any definition of sound cryptography.

Linked paper: <a href="https:&#x2F;&#x2F;eprint.iacr.org&#x2F;2015&#x2F;1177.pdf" rel="nofollow">https:&#x2F;&#x2F;eprint.iacr.org&#x2F;2015&#x2F;1177.pdf</a>