You may have just re-invented the Hardware Security Module(HSM)[1] :-) See also [2] for a cute implementation using an Arduino to secure an AWS API key [1] ht

You may have just re-invented the Hardware Security Module(HSM)[1] :-) See also [2] for a cute implementation using an Arduino to secure an AWS API key [1] https://en.wikipedia.org/wiki/Hardware_security_module https://en.wikipedia.org/wiki/Hardware_security_module [2] http://stefan.arentz.ca/signing-aws-requests-with-your-arduino.html http://stefan.arentz.ca/signing-aws-requests-with-your-ardui...