3. Mobile wireless devices around the world: which state controls what?

Naturally, smartphones and laptops are designed to be taken with you when you travel abroad. What's more, their use is technically facilitated by manufacturers and operators.

However, because of their cryptographic functions, these devices are considered by many countries to embody sensitive or even military-grade technologies. Importing such devices can be regulated by governments.

We're going to take a quick look around the world of cryptology regulations, and try to determine which countries are safe to travel in with your wireless device containing cryptography, and which may be riskier.