Secure Sensor Data Distribution

JP2024516119A5Inactive Publication Date: 2025-04-14DABCO LTD
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Patent Information

Application Number
JP2023562273
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Priority Date
2021-04-09
Filing Date
2022-04-06
Publication Date
2025-04-14
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Existing systems for secure data distribution between entities lack scalability and efficiency, particularly for low-computational power devices or entities without prior trust, leading to high overhead and resource consumption in verifying identities and maintaining secure transactions.

Method used

A method and system using a UICC (SIM) with public and private key pairs to digitally sign sensor data, which is recorded on a distributed ledger, allowing secure data transmission between unknown entities without the need for prior trust, and enabling two-way authentication.

Benefits of technology

Enables secure and efficient data transmission between mutually unknown devices by leveraging a distributed ledger, reducing the risk of disputes and resource overhead, and facilitating transactions even in the absence of trust.

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Abstract

A method and system for distributing sensor data, the method including the steps of recording data from one or more sensors of a device; digitally signing the data or information derived from the data in a UICC of the device using a private key of a private / public key pair stored in a UICC of the device; authenticating the digitally signed data or information derived from the data by a server; triggering an entry in a distributed ledger with the authenticated data or information derived from the data identifying the data or information derived from the data; receiving a request from a requester for the data or information derived from the data in response to the entry in the distributed ledger; and transmitting the data or information derived from the data from the device to the requester.
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