This is called a backdoor, whether you like it or not. Pinky-promising not to abuse the backdoor key doesn't make it not a backdoor. Backdoors will be abused by governments. Have we learned nothing from the Snowden leaks?
>A backdoor is a typically covert method of bypassing normal authentication or encryption in a computer, product, embedded device, or its embodiment.
>Wikipedia
My suggestion isn't covert, nor does it bypass encryption.
>2. A means of access to a computer system that allows unauthorized users to circumvent normal authentication procedures.
>thefreedictionary
People with warrants are authorized to access the messages.
