Secure digital communications

摘要

There is disclosed a method in a communications system for enabling authentication of a sender device and a receiver device in the communication system, wherein the sender device is associated with a self-generated first identity and a first master device, the receiver device is associated with a self-generated second identity and a second master device and wherein the authentication is enabled by utilizing the first master device and the second master device for the sender device and the receiver device to verify the identities of each other. In one embodiment, both the sender device and the receiver device are also associated with a third device ant the third device is used in addition to the master devices for verifying said identities. There is also disclosed a method In a sender device, a method in a receiver device, a method in a third device, a sender device, a receiver device, a third device, and a computer program product for the same.

主权项

1. 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; andproviding, by said receiver device, a second access key to said second master device.