Hearing Aid Systems, Hearing Aids, and How to Make Reliable Connections Between Hearing Aids and User Applications

摘要

Methods and devices are disclosed. A method, performed by a user application (12), of creating a trusted bond between a hearing device (8) and the user application (12) is disclosed, wherein the method comprises obtaining first authentication material; transmitting a first authentication request comprising a first authentication type identifier and first authentication data to the hearing device (8); receiving a first authentication response comprising a sound signal from the hearing device (8); deriving second authentication material based on the sound signal; determining second authentication data based on the second authentication material; transmitting a second authentication request comprising the second authentication data to the hearing device (8); receiving a second authentication response comprising an authentication key identifier from the hearing device (8); storing an authentication key and the authentication key identifier, wherein the authentication key is based on the first authentication material; and connecting the user application (12) to the hearing device (8) using the authentication key and the authentication key identifier.