Patent ID: 8745392

Claim:
An apparatus comprising: a device to form a one-way out-of-band (OOB) communication channel to communicate authentication signals between a first device and a second device; wherein the first device and the second device are to exchange a key over a wireless communication channel; wherein communication between the first device and second device occurs over at least one of a Bluetooth link and a WiFi link; wherein the first device is to transmit a commitment of a first challenge over the wireless communication channel to the second device; wherein the first device is to receive confirmation over the OOB communication channel from the second device that it received the commitment of the first challenge; wherein the first device is to transmit the first challenge to the second device over the wireless communication channel; wherein the first device is to receive from the second device over the OOB communication channel a response to the first challenge and a second challenge; wherein the first device is to use the exchanged key to encrypt the second challenge and to transmit the encrypted second challenge to the second device over the wireless communication channel; and wherein the first device is to receive confirmation from the second device over the OOB communication channel that the second device decrypted the second challenge with the exchanged key.