Be careful with your first sentence. For example, the US would not hesitate to torture Snowden for his key if they even had the slightest way to get their hands

Be careful with your first sentence. For example, the US would not hesitate to torture Snowden for his key if they even had the slightest way to get their hands on him. Just declare this person an enemy of the state/terrorist and there you go - to you and your encryption.