Vehicle Communication Control Device Security Routing

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Solution Overview

Problem

Conventional vehicle diagnostic systems require additional authentication processes during fabrication, increasing production time and yield, and pose safety risks if security of in-vehicle electronic devices is not limited, allowing unauthorized access after vehicle delivery.

Innovation Solution

A communication control device that automatically activates a security diagnostic routing module when connected to a diagnostic device, using a security diagnostic routing module for authenticated communication and switching to a general diagnostic routing module if authentication fails, ensuring secure and efficient vehicle diagnostics without additional fabrication facilities.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If additional authentication facilities are provided in all fabrication lines, then security of in-vehicle electronic devices is improved, but total fabrication time increases and production yield is reduced

Engineering Contradiction:

Improvesecurity of in-vehicle electronic devicesVSAvoidproduction yield

Core Design Contradiction:

ReliabilityVSProductivity

Solution Approach 1:

The communication control device is pre-configured with multiple routing modules (security diagnostic routing module and general diagnostic routing module) during manufacturing. The security authentication mechanism is built-in and ready to activate automatically when diagnostic devices connect, eliminating the need for additional authentication facilities in fabrication lines and avoiding increased production time.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The communication control device acts as an intermediary between diagnostic devices and electronic control units. It automatically activates the security diagnostic routing module to authenticate diagnostic devices, and if authentication fails, switches to the general diagnostic routing module. This intermediary function provides security without requiring changes to fabrication line facilities or processes.

Inventive Principle:

Principle #24Intermediary (Mediator)

2Reliability

If security function is activated to protect electronic devices, then unauthorized access is prevented, but diagnostic process becomes more complex and time-consuming

Engineering Contradiction:

Improveprotection of electronic devicesVSAvoidauthentication process complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The communication control device dynamically switches between routing modules based on authentication results. The security diagnostic routing module is activated when diagnostic devices connect, and the system automatically transitions to the general diagnostic routing module if authentication fails. This dynamic adaptation provides security when needed while maintaining simplicity for legitimate diagnostics.

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The communication control device automatically performs authentication of diagnostic devices and selects the appropriate routing module without requiring manual intervention or complex external authentication facilities. The system self-manages the security process, reducing complexity for users while maintaining protection.

Inventive Principle:

Principle #25Self-service

3Reliability

If security diagnostic routing module is always activated, then unauthorized access is blocked, but legitimate diagnostic efficiency is reduced

Engineering Contradiction:

Improvesecurity against unauthorized accessVSAvoiddiagnostic efficiency

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The system dynamically activates the security diagnostic routing module only when diagnostic devices connect to the communication control device. If authentication succeeds, the module remains active for protected communication. If authentication fails, the system automatically switches to the general diagnostic routing module, maintaining diagnostic efficiency for legitimate operations while providing security when needed.

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The communication control device changes the operational state of the routing module based on authentication parameters. When authentication succeeds, the security diagnostic routing module is activated with appropriate security parameters. When authentication fails, the system changes parameters to activate the general diagnostic routing module, optimizing for diagnostic efficiency. This parameter-based control balances security and efficiency based on real-time conditions.

Inventive Principle:

Principle #35Parameter changes

Data Source

PatentUS10275951B2Communication control device, vehicle having the communication control device, and method for controlling the vehicle

Publication Date: 2019.04.30 HYUNDAI MOTOR CO LTD

AI summary

A communication control apparatus includes a communicator for communicating with an electronic control unit (ECU), an interface connected to a diagnostic device, and a controller for activating a security diagnostic routing module when the diagnostic device is initially connected to the interface, and for performing routing between the electronic control unit (ECU) and the diagnostic device using the security diagnostic routing module.