WhatsApp encryption supplier denies ‘backdoor’ but misses the point

Open Whisper Systems, the company behind the encryption features at WhatsApp, has denied there is an open backdoor in its security, but didn’t address the main point of the article.
Writing on its blog, the team denied there was a fault in the end-to-end encryption, while also taking a pop at the Guardian itself, however it has not specifically addressed the fault which the University of California’s Tobias Boelter pointed out.
Boelter claims the encryption-flaw exists when the recip