Offline Item Authentication Using Identropy Challenge-Response
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Solution Overview
Problem
Existing authentication methods for physical items are inefficient and insecure, particularly in offline scenarios, as they often require online connectivity and are vulnerable to counterfeiting, and consumers lack means to verify authenticity reliably.
Innovation Solution
Implementing entropically configured distinct physical features (identropies) with challenge-response interactions, public-key cryptography, and trust quotients for offline authentication, using unique patterns and encryption to ensure verification without online connections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If online connectivity is required for authentication, then central verification capability is improved, but system reliability deteriorates due to slow or inconsistent internet connections
Solution Approach 1:
The authentication system is segmented into two independent parts: (1) a central authentication server that generates and stores authentication data, and (2) a portable authentication device that stores and processes this data locally. This segmentation allows the portable device to perform authentication independently without requiring continuous online connectivity, thus resolving the contradiction between central verification capability and system reliability.
Solution Approach 2:
The portable authentication device acts as an intermediary between the item to be authenticated and the central authentication server. It stores authentication data locally and can verify items offline, while still being able to synchronize with the central server when online. This intermediary role enables reliable offline authentication while maintaining the ability to use central verification resources when available.
2Reliability
If complex security features are used to prevent counterfeiting, then authentication security is improved, but ease of verification deteriorates as end-users cannot recognize these features
Solution Approach 1:
The system uses a portable authentication device that contains a copy of the central authentication server's verification capabilities. This portable copy can locally process and verify authentication data without requiring the user to directly examine complex physical security features. The portable device translates complex security verification into a simple user interaction, resolving the contradiction between security and ease of verification.
Solution Approach 2:
The system replaces manual inspection of complex physical security features with an automated electronic verification process. The portable authentication device uses electronic components to read and verify authentication data, substituting the mechanical/visual inspection process with an automated system that provides clear verification results to the end-user.
3Productivity
If large volumes of authentication data are processed for mass-produced items, then authentication coverage is improved, but server capacity deteriorates due to limited processing resources
Solution Approach 1:
The system extracts the authentication processing capability from the central server and places it in portable authentication devices. Each portable device can independently process authentication data locally, eliminating the need for all authentication requests to be processed by the central server. This extraction distributes the processing load and resolves the contradiction between authentication throughput and server processing capacity.
Solution Approach 2:
The portable authentication device provides self-service authentication capability, allowing items to be verified locally without requiring server processing for each authentication event. The device contains all necessary authentication data and processing logic to independently verify items, enabling high-volume authentication without proportionally increasing server capacity requirements.
Data Source
AI summary
Methods and systems including one or more entropically configured distinct physical features (an “identropy”) that serve as unique identifiers for a physical item, such as a product or device, particularly products and/or devices in commerce, documents, packaging, etc. are described herein. The identropy makes it possible to uniquely distinguish one item from the other. In one embodiment, the identropy needs to be converted into a digital entity which can be done through a challenge-response interaction, in which a physical challenge acts upon the identropy, and in which the identropy as a reaction to the challenge will provide a physical response. In some embodiments, the response(s) described above is encrypted. In some embodiments, the resulting decrypted and optionally decompressed code can be compared to the digital response that was retrieved upon the challenge by the authentication device to estimate a trust score, such as a trust quotient.