Hierarchical Identity Authentication for Moving Objects

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Solution Overview

Problem

Existing methods for controlling moving objects, such as autonomous vehicles, lack secure identification and authentication mechanisms, leading to potential security risks and accidents when identification and authentication are not guaranteed.

Innovation Solution

A method and apparatus using a master identity device and multiple slave identity devices to securely control and authenticate moving objects, allowing users to access services and control features like navigation, lighting, and communication settings, with the master device having primary authority and slave devices having limited authority.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a hierarchical identity device system with master and slave devices is implemented, then security and authentication reliability are improved, but device complexity and system configuration difficulty increase

Engineering Contradiction:
Improveauthentication reliabilityVSAvoidsystem complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The identity device system is segmented into master identity devices and slave identity devices, each with distinct roles and authority levels. The master device performs authentication and generates cryptographic keys, while slave devices store and use these keys for service access, dividing the security functionality into specialized components that improve reliability through separation of duties.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The master identity device performs preliminary authentication and generates cryptographic key pairs before the slave devices are activated. This preliminary action establishes trusted relationships in advance, allowing slave devices to securely access services without requiring complex real-time authentication protocols, thus improving reliability while managing complexity.

Inventive Principle:
Principle #10Preliminary action

2Ease of operation

If multiple slave identity devices are allowed to control a moving object, then user accessibility and ease of operation are improved, but security risks and unauthorized access potential increase

Engineering Contradiction:
Improveuser accessibilityVSAvoidunauthorized access risk
Core Design Contradiction:
Ease of operationVSObject-affected harmful factors

Solution Approach 1:

Each slave identity device is configured with local quality characteristics through unique cryptographic keys and authority levels assigned by the master device. This allows different slave devices to have differentiated access permissions, enabling convenient multi-user access while maintaining security through localized authentication credentials that prevent unauthorized access.

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The system implements feedback mechanisms where the master identity device monitors and manages slave device registrations and authentications. The master device provides feedback by validating each slave device's cryptographic credentials and enforcing access control policies, creating a closed-loop security system that maintains safety despite multiple access points.

Inventive Principle:
Principle #23Feedback

3Reliability

If cryptographic authentication protocols are implemented between identity devices and moving objects, then security against accidents and unauthorized operations is improved, but communication overhead and system response time increase

Engineering Contradiction:
Improvesecurity against accidentsVSAvoidcommunication overhead
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

Cryptographic key pairs are generated and distributed in advance by the master identity device before authentication is needed. This preliminary cryptographic setup eliminates the need for complex real-time key exchange protocols, reducing communication overhead while maintaining security against accidents and unauthorized operations during actual authentication events.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS11516661B2Method and apparatus for controlling moving object using master identity device and slave identity device
Publication Date: 2022.11.29 HYUNDAI MOTOR CO LTD
  • US11516661B2 patent drawing
  • US11516661B2 patent drawing
  • US11516661B2 patent drawing

AI summary

A method of operating a moving object having at least one identity device includes: setting authority for the at least one identity device which includes a master identity device and at least one slave identity device; transmitting a link request message to one among the at least one slave identity device; receiving a link response message from the slave identity device; and transmitting a link permission message indicating link permission to the slave identity device. The moving object is configured to be controlled by at least one of the master identity device or the first slave identity device.