Techniques for device to device authentication

A method comprising:

• detecting, by a first electronic device, that a second electronic device is attempting to establish a direct connection with the first electronic device;
• determining, by the first electronic device, to authenticate the second electronic device using an authentication service;
• sending, to one or more devices associated with the authentication service, a request to authenticate the second electronic device;
• and
• receiving, from the one or more devices, an indication that the one or more devices authenticated the second electronic device.

One or more devices comprising:

• one or more processors;
• and
• one or more computer-readable media storing instructions that, when executed by the one or more processors, cause the one or more processors to perform operations comprising:
• storing first information representing a first state of an environment of an electronic device;
• receiving second information representing a second state of the environment of the electronic device;
• determining to authenticate the electronic device based at least in part on the first information and the second information;
• and
• authenticating the electronic device.