I wonder if this affects "Airwave", which is the UK's national public safety network (based on TETRA). If it does, then ETSI has some answering to do. If we use

I wonder if this affects "Airwave", which is the UK's national public safety network (based on TETRA). If it does, then ETSI has some answering to do. If we used export level crypto on a piece of critical national infrastructure, we're just idiots. It also further reinforces that weakening crypto is almost always a bad idea, as you'll end up using it yourself for interoperability's sake. https://en.wikipedia.org/wiki/Airwave_Solutions https://en.wikipedia.org/wiki/Airwave_Solutions EDIT: It looks like Airwave uses TEA2, which isn't backdoors but is definitely vulnerable to the other issues such as the oracle attacks (with complete plaintext recovery).