Because the NSA uses US law to require companies to include compromised algorithms and backdoors in their products, and uses gagging orders to prevent the compa

Because the NSA uses US law to require companies to include compromised algorithms and backdoors in their products, and uses gagging orders to prevent the company from admitting their products have been compromised. I'm not suggesting they are the only country in that situation, nor that there is any sure-fire way to make sure you aren't hamstrung. But I think it is a good rule of thumb to not rely on US crypto.