Decentralized Medical Testing Cryptographic Security
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Solution Overview
Problem
Existing medical testing systems require the involvement of a trusted authority to certify test results, which can lead to issues with false reports and the need for centralized participation in every test, compromising the integrity and efficiency of decentralized testing.
Innovation Solution
A method and system for cryptographically secured decentralized testing, where a secure test apparatus generates a unique identifier only exposed after a test result is obtained, allowing the computing device to compute a cryptographic function of this identifier and report the result to a data store, ensuring authenticity without a trusted party's involvement through cryptographic functions and accumulators.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a trusted authority is required to certify test results, then the reliability of test results is improved, but the device complexity and operational efficiency deteriorate due to centralized involvement in every test
Solution Approach 1:
A cryptographic intermediary mechanism is introduced between the test apparatus and the centralized authority. The test apparatus generates cryptographic proofs locally that can be verified by the centralized authority without requiring its direct involvement in every test operation. This intermediary cryptographic layer maintains reliability while reducing operational complexity.
Solution Approach 2:
Cryptographic credentials and verification mechanisms are pre-configured in the test apparatus before actual testing begins. This preliminary setup enables the device to autonomously generate and verify cryptographic proofs during testing, eliminating the need for real-time centralized involvement and reducing operational complexity while maintaining result authenticity.
2Reliability
If a trusted authority is required to certify test results, then false reports are prevented, but the productivity and speed of testing deteriorate due to centralized participation requirements
Solution Approach 1:
The test apparatus is equipped with self-service cryptographic capabilities to generate and verify proofs autonomously. This self-service mechanism prevents false reports through local cryptographic verification while eliminating bottlenecks associated with centralized approval processes, thereby maintaining reliability while significantly improving testing productivity and speed.
3Reliability
If cryptographic functions are used to secure test results, then the reliability and security of decentralized testing are improved, but the computational requirements and energy consumption increase
Solution Approach 1:
The system implements partial cryptographic verification where only essential cryptographic checks are performed locally in the test apparatus, while more computationally intensive verification operations are deferred to centralized servers. This partial action approach maintains decentralized security while reducing the computational energy burden on individual testing devices.
Data Source
AI summary
A method of cryptographically secured decentralized testing, includes receiving, by a computing device and from a secure test apparatus, an output of a cryptographic function of a secret test result identifier, authenticating the output, and recording, in a data repository, an indication of a test result as a function of the output.