I didn't mean "write your own solution", I meant: You can only trust public key encryption and you need to create all keys yourself and you need to have 100% e

I didn't mean "write your own solution", I meant: You can only trust public key encryption and you need to create all keys yourself and you need to have 100% exclusive access to the private key. And then, you need to pray and hope that the NSA hasn't figured out a way around it and won't too soon.