Imaging Assembly Cryptographic Value Generation
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Solution Overview
Problem
Existing cryptographic key generation methods are vulnerable to attacks, particularly due to weaknesses in entropy sources used by pseudo-random number generators (PRNGs), which can lead to deciphering of keys and potential alteration of device functionality.
Innovation Solution
A system that generates high-entropy cryptographic values using an imaging assembly with an image sensor aligned to capture photoluminescent data from a target member, such as an organic material like a pearl, combined with an RFID chip for unique identification, to produce cryptographic values that exceed traditional RSA key strengths.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional pseudo-random number generators (PRNGs) are used for cryptographic key generation, then the key generation process is simple and fast, but the entropy source is weak and vulnerable to attacks
Solution Approach 1:
The patent introduces an imaging assembly as an intermediary device that captures photoluminescent data from organic materials (such as pearls) to generate high-entropy cryptographic values. This intermediary system bridges the gap between simple PRNGs and secure key generation by providing a physical entropy source that is difficult to predict or replicate, thereby enhancing security without requiring complex cryptographic protocols
Solution Approach 2:
The patent replaces the mechanical/computational entropy generation of traditional PRNGs with a photophysical process. By using image sensors to capture photoluminescent emissions from organic materials, the system substitutes algorithmic randomness with physical randomness based on quantum-level photoluminescence phenomena, which are inherently unpredictable and resistant to computational attacks
2Reliability
If cryptographic key strength is increased to resist attacks, then security is improved, but the computational power required to generate and process keys increases
Solution Approach 1:
The patent performs preliminary entropy collection by capturing photoluminescent data from organic materials before cryptographic key generation is needed. This pre-collected high-entropy data is stored and later used to seed cryptographic operations, eliminating the need for real-time computational entropy generation and reducing energy consumption during actual key generation and processing operations
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system generates high-entropy cryptographic values that are resistant to attacks, providing enhanced security for key generation, code signing, and firmware validation, thus mitigating the risks of malicious code injection and data compromise.
Implementation Method 1
at least one image sensor aligned with the mount such that a field of view of the at least one image sensor includes at least a portion of the target member when the target member is supported by the mount. The at least one image sensor is configured to receive light from the target member and provide output image data in response to the light from the target member.
Data Source
AI summary
A system for generating cryptographic values. The system includes an imaging assembly for imaging a target member mounted on a base. A controller receives output image data from the image assembly and generates a cryptographic value in response to the output image data. In some embodiments, the target member may be formed from an organic material.