RFID Array Tamper Detection for Electronic Package Integrity
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Solution Overview
Problem
Existing package tampering protection methods are inefficient due to high costs, complex designs, and vulnerabilities, particularly in detecting unauthorized access and configuration changes within electronic packages containing sensitive components.
Innovation Solution
The use of RFID devices arranged in arrays to authenticate the configuration of electronic packages against a model configuration, combined with processing devices that communicate with RFID devices to determine compliance and set operational modes, and the implementation of encrypted configuration files with encryption key splitting for self-authentication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional tamper detection methods are used, then package security can be maintained, but the system becomes expensive and complex
Solution Approach 1:
The patent segments the tamper detection system into distributed RFID tags placed at specific locations within the package. Each tag independently monitors its local area, and the collective data from multiple tags provides comprehensive coverage. This segmentation allows the system to achieve high security without requiring a single complex centralized system, thereby reducing overall system complexity while maintaining reliability.
Solution Approach 2:
The patent uses RFID tags that can be copied or replicated at specific locations within the package. These tags contain unique identifiers and configuration data that can be verified against expected values. The use of copyable RFID tags allows for cost-effective deployment of multiple monitoring points without requiring expensive specialized hardware at each location, thus reducing system complexity while maintaining security.
2Reliability
If traditional tamper detection methods are used, then package security can be maintained, but the cost increases significantly
Solution Approach 1:
The patent employs RFID tags that are relatively inexpensive compared to traditional tamper detection systems. These tags can be mass-produced at low cost and disposed of or replaced if needed. The use of cheap RFID tags allows the system to provide comprehensive security coverage without significantly increasing manufacturing costs, making the solution economically viable while maintaining high reliability.
Solution Approach 2:
The RFID tags serve multiple functions: they act as tamper detection sensors, provide configuration data storage, enable location tracking, and facilitate authentication. This multi-functionality eliminates the need for separate dedicated components for each function, thereby reducing overall system cost while maintaining comprehensive security capabilities.
3Reliability
If configuration authentication is implemented, then unauthorized changes can be detected, but the system becomes more vulnerable to detection failures
Solution Approach 1:
The patent implements preliminary authentication of configuration data stored in the RFID tags before the package is deployed. The tags are pre-programmed with expected configuration values and authentication codes. This preliminary action ensures that any subsequent changes to the configuration can be detected, as the authentication mechanism is already in place and configured to verify against the original expected values, thereby preventing detection failures.
Solution Approach 2:
The system incorporates feedback mechanisms where the RFID tags continuously report their configuration status and authentication state to the main system. This feedback loop allows the system to detect any unauthorized changes in real-time and respond accordingly. The feedback mechanism ensures that configuration integrity is maintained by providing continuous verification and alerting when tampering is detected, thereby reducing the risk of detection failures.
Data Source
AI summary
A package includes a chassis, a plurality of components arranged within the chassis, a plurality of RFID devices, and at least one processing device. The RFID devices are arranged at a plurality of locations to form an array configured to authenticate compliance of the actual configuration of the package with a model configuration. The processing device is configured to communicate with the RFID devices, determine if the actual configuration of the package is in compliance with the model configuration based on communications with the RFID devices, and set an operational mode of one or more of the components of the package in response to determining if the actual configuration of the package is in compliance with the model configuration.