Secure Programming System for IoT Device Authentication
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current electronic circuit board assembly processes lack integration of programming, testing, and calibration operations, leading to inefficiencies and security concerns, as these tasks are typically performed separately from main production lines, and there is a need for secure configuration of devices like Flash memories and IoT devices with specific security settings.
Innovation Solution
A secure programming system that individually encrypts data and code for programmable devices, using cryptographic keys to ensure only authorized components can operate, and includes authentication and code signing to verify the authenticity of devices and their components, thereby controlling device operation and enhancing security.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If programming, testing, and calibration operations are performed separately from main production assembly lines, then specialized equipment can be used for these operations, but integration efficiency decreases and security control becomes more difficult
Solution Approach 1:
The patent combines programming, testing, and calibration operations with the main production assembly line into an integrated system. The programmable device is programmed in-system during assembly, eliminating the need for separate programming equipment and locations. This merging of operations improves integration efficiency while maintaining specialized functionality through software-controlled programming operations.
2Productivity
If devices are manufactured in bulk with identical functionality, then production efficiency increases, but individual device security configuration and authentication become more difficult
Solution Approach 1:
The patent implements local quality by providing individual authentication credentials and security configurations for each device during bulk production. Each programmable device receives unique authentication data and is individually authenticated by the control circuitry, allowing mass production while maintaining individual device security and traceability.
Solution Approach 2:
The patent performs preliminary authentication and security configuration during the manufacturing process itself. The control circuitry authenticates each device and configures security parameters before the device leaves the production line, ensuring individual security is established upfront rather than requiring separate post-manufacturing steps.
3Adaptability or versatility
If separate programming equipment is used for customizable devices, then device configuration flexibility is improved, but system complexity and security vulnerability increase
Solution Approach 1:
The patent creates a universal programming system where the control circuitry can program and authenticate multiple types of programmable devices (FPGAs, CPLDs, microcontrollers, etc.) through a single integrated interface. This multi-functional approach provides device configuration flexibility while reducing system complexity by eliminating the need for separate specialized programming equipment for different device types.
Data Source
Figure 1
Figure 2
Figure 3
AI summary
A secure programming system and method for provisioning and programming a target payload into a programmable device mounted in a programmer. The programmable device can be authenticated before programming to verify the device is a valid device produced by a silicon vendor. The authentication process can include a challenge-response validation. The target payload can be programmed into the programmable device and linked with an authorized manufacturer. The programmable device can be verified after programming the target payload by verifying the silicon vendor and the authorized manufacturer. The secure programming system can provision different content into different programmable devices simultaneously to create multiple final device types in a single pass.