Cryptographic Battery Authentication System
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Electronic devices face challenges in safely and effectively recognizing and interacting with aftermarket batteries, which may not meet design specifications, posing safety hazards and performance issues.
Innovation Solution
Implementing a cryptographic authentication system using public and private keys to enable secure recognition and power exchange between electronic devices and batteries, ensuring only authorized batteries are recognized and allowed to exchange electrical power.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If cryptographic authentication system is implemented, then battery recognition security is improved, but device complexity increases
Solution Approach 1:
The electronic device pre-stores multiple encrypted authentication strings in its memory before battery authentication is needed. When a battery is connected, the system quickly compares the battery's authentication string against the pre-stored encrypted strings, enabling fast verification without real-time cryptographic computation. This preliminary preparation reduces authentication time and computational complexity during actual battery recognition.
2Adaptability or versatility
If multiple encrypted strings are stored for authentication, then aftermarket battery compatibility is improved, but memory requirements increase
Solution Approach 1:
The authentication system extracts only the essential encrypted authentication strings needed for battery verification, storing them separately in dedicated memory locations. By isolating and storing only the critical authentication data rather than complete battery specification sets, the system achieves broad aftermarket battery compatibility while minimizing memory consumption to the minimum necessary capacity.
Data Source
AI summary
Improved handling of couplable device recognition tasks in an electronic device such as a cell phone, smart phone, computer system, recording device or others is facilitated. Recognition of a couplable device such as a battery so as to enable exchange of power between the device and the battery or other couplable device functionality is determined by a match between one of a plurality of digital strings stored in the device and the decrypted response to an encrypted challenge derived from the one of stored strings. Control is exercised over the distribution of the encryption elements which enable the improved handling of the tasks.