Patent ID: 9060274
Filing Date: 2015-06-16
Classification: H04L,H04W

Abstract:
1. A method comprising: communicatively coupling a device to a personal area network (PAN); storing a digital certificate, that identifies a user: while preventing the digital certificate from being extracted from the device, providing, by a processing device and during the session, an encryption service for the additional device, wherein providing the encryption service comprises: receiving, from the additional device, a message to be encrypted; encrypting the message using a private key associated with the user; sending the encrypted message to the additional device via the PAN; receiving, from the additional device, an encrypted version of an additional message; decrypting the additional message using the private key associated with the user to produce an unencrypted version of the additional message; sending the unencrypted version of the additional message to the additional device via the PAN; determining whether the device has moved beyond a defined distance from the additional device; and logging the user off the additional device in view of a determination that the device has moved beyond the defined distance from the additional device.