Hearing System Challenge-Response Authentication

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Solution Overview

Problem

Hearing system communication faces security challenges due to the use of open standard-based interfaces, which increases the risk of unauthorized access and data compromise.

Innovation Solution

A method involving a server device, a hearing device, and a user accessory device with a user application that uses challenge-response mechanisms to securely retrieve hearing device data, including obtaining challenge data, transmitting it, receiving and verifying a response, and deriving the hearing device data, thereby reducing the risk of unauthorized access and maintaining updated information.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If open standard-based wireless communication interfaces are used in hearing systems, then communication compatibility and ease of operation are improved, but security and risk of unauthorized access deteriorate

Engineering Contradiction:
Improvecommunication compatibilityVSAvoidsecurity
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The system performs preliminary security actions by establishing challenge-response authentication mechanisms before actual data transmission. The server device generates challenge data and sends it to the hearing device, which must correctly respond before gaining access, preventing unauthorized communication attempts before they can compromise security

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent introduces an intermediary authentication mechanism where challenge data and response data act as mediators between the server device and hearing device. This intermediary layer verifies identity and authorization without exposing sensitive communication channels, maintaining security while enabling open standard compatibility

Inventive Principle:
Principle #24Intermediary (Mediator)

2Productivity

If hearing device data is transmitted wirelessly for retrieval and analysis, then productivity and ease of operation are improved, but risk of data compromise by third parties deteriorates

Engineering Contradiction:
Improvedata retrieval efficiencyVSAvoiddata compromise risk
Core Design Contradiction:
ProductivityVSObject-affected harmful factors

Solution Approach 1:

The system applies preliminary anti-action by implementing challenge-response verification before allowing data transmission. The server device sends challenge data that the hearing device must correctly respond to, creating a preventive barrier against third-party interception and unauthorized data access before the actual data retrieval process begins

Inventive Principle:
Principle #9Preliminary anti-action

Solution Approach 2:

The patent changes the parameter of data transmission by encoding it within challenge-response pairs rather than transmitting raw hearing device data directly. This parameter transformation ensures that even if data is intercepted during wireless transmission, it cannot be utilized without the corresponding challenge verification, protecting against data compromise while maintaining retrieval efficiency

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentEP3334186B1Hearing system and method of retrieving hearing device data
Publication Date: 2021.03.03 GN HEARING AS
  • EP3334186B1 patent drawingFigure 1
  • EP3334186B1 patent drawingFigure 2
  • EP3334186B1 patent drawingFigure 3

AI summary

The present disclosure relates to methods and devices for a hearing system. A method of retrieval of hearing device data from a hearing device of a hearing system is provided, wherein retrieval of hearing device data comprises obtaining challenge data in a server device of the hearing system; transmitting the challenge data from the server device to a user application of a user accessory device; transmitting a challenge request comprising the challenge data from the user application to the hearing device; receiving a challenge response comprising response data from the hearing device; forwarding the response data from the user application to the server device; verifying the response data in the server device based on the challenge data; and optionally deriving the hearing device data from the response data, if verifying the response data is successful.