Quote: "Other countries in the Five Eyes espionage alliance have taken much stronger action in their private as well as public sectors."
So the backdoors are in place -- Bruce (Australia), Jeremy (UK) and some Chinese bureaucrat (courtesy of Huawei) all have their own way of reading traffic.
But what if the bad guys have already used THEIR OWN CIPHER before they send the message? This writer, an amateur programmer, has implemented a simple book cipher in 1200 lines of code. Encipher/decipher takes a few seconds for a short message. Why are the great and the good worrying about the Chinese.....what all these backdoors will see is something like the below. Let's see how weak this "amateur" cipher is:
-- Good luck!