Patent ID: 8782406

Claim:
A method in a communication system for authentication of at least one of a sender device and a receiver device in said communication system, said method comprising: creating, by said sender device, an identification of said sender device; creating, by said receiver device, an identification of said receiver device; sending, by said sender device, a request pertaining to establishing a relation between said sender device and said receiver device to said receiver device; sending, by said receiver device, at least an identification of a second master device to said sender device; sending, by said sender device, said identification of said second master device to a first master device; sending, from said first master device, a request pertaining to communication conditions needed by said sender device for said sender device to establish communication with said receiver device to said second master device; sending, from said second master device, said communication conditions to said first master device; and in a case said sender device fulfills said communication conditions, providing, by said sender device, a first access key to said first master device; and providing, by said receiver device, a second access key to said second master device.