Currency processing apparatus, currency processing system, and authentication method of currency processing apparatus

The currency handling device employs a two-dimensional code-based authentication method using a public key to securely authenticate users, addressing security vulnerabilities and eliminating the need for additional equipment, ensuring secure operations without network connectivity.

JP2025139613APending Publication Date: 2025-09-29LAUREL PRECISION CO LTD
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Patent Information

Application Number
JP2024038544
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-03-13
Publication Date
2025-09-29

AI Technical Summary

Technical Problem

Existing currency handling devices face security vulnerabilities in user authentication, particularly when operations on the operation display unit can be spied on by others, and methods like IC cards and biometric authentication require dedicated equipment and software, making them difficult to implement.

Method used

A currency handling device uses a first display unit to generate and display a two-dimensional code representing a public key, which is read by a user's mobile terminal, encrypted, and compared with pre-stored authentication information using a private key for secure authentication.

Benefits of technology

This method achieves secure authentication with a simple configuration, reducing the risk of information leakage and eliminating the need for dedicated equipment, while maintaining security even without a communication network connection.

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Abstract

To implement secure authentication with a simple configuration.SOLUTION: A control unit of a currency processing apparatus generates a first two-dimensional code representing a public key generated by using a secret key. The control unit reads a second two-dimensional code inputted to a first image input unit from a user. The control unit uses the secret key to try to decode data read from the second two-dimensional code. The control unit authenticates the user by collation between preliminarily stored authentication information of a person scheduled to use the apparatus and decoded data.SELECTED DRAWING: Figure 1
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