Robotic Garden Tool Key Pair Provisioning for Secure Commands
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Solution Overview
Problem
Existing communication systems between robotic garden tools and servers lack secure authentication mechanisms, leading to potential security vulnerabilities and unauthorized access.
Innovation Solution
A cryptography key pair system is implemented, where a first key pair is generated and distributed between an external device and a robotic garden tool, enabling secure communication and authentication through encryption and decryption of instructions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional communication protocols are used between robotic garden tool and server, then device complexity is reduced and ease of operation is improved, but security reliability deteriorates due to lack of authentication mechanisms
Solution Approach 1:
The patent implements preliminary action by generating and distributing cryptography key pairs to the robotic garden tool before it begins operation. The external device generates the key pair, transmits the private key to the robotic garden tool, and stores the public key on the server, establishing security credentials in advance before any communication occurs.
Solution Approach 2:
The patent uses an external device as an intermediary to facilitate secure communication. The external device generates the cryptography key pair, distributes the private key to the robotic garden tool, and provides the public key to the server, acting as a trusted mediator that enables authentication without requiring direct complex interaction between the robotic garden tool and server.
2Reliability
If cryptography key pair system is implemented for secure authentication, then security reliability is improved, but device complexity increases due to key management requirements
Solution Approach 1:
The patent extracts the cryptography key generation and management functions from the robotic garden tool itself and places them in the external device. The external device generates the key pair, stores the private key in the robotic garden tool, and retains the public key on the server, thereby simplifying the robotic garden tool's complexity while maintaining security.
Solution Approach 2:
The robotic garden tool uses its stored private key to autonomously authenticate itself with the server by decrypting encrypted instructions. The tool self-verifies its identity through the cryptographic proof embedded in the encrypted communication, eliminating the need for manual authentication procedures.
3Loss of information
If encrypted communication is used between server and robotic garden tool, then information security is improved, but processing time increases due to encryption and decryption operations
Solution Approach 1:
The patent applies preliminary action by pre-distributing the cryptography key pair to the robotic garden tool and server before communication begins. This allows immediate encryption and decryption operations to proceed without delays for key generation or exchange during actual communication, minimizing processing time overhead.
Data Source
AI summary
A communication system includes an external device and a robotic garden tool. The external device is configured to generate a first key pair including a first private key for a robotic garden tool and a first public key for a server device. The external device transmits the first private key to the robotic garden tool, and transmits the first public key to the server device. The robotic garden tool is configured to receive an encrypted first instruction from the server device. The encrypted first instruction was encrypted by the server device using the first public key. The robotic garden tool is configured to decrypt the encrypted first instruction using the first private key to generate a decrypted first instruction. The robotic garden tool is configured to control operation of the robotic garden tool in accordance with the decrypted first instruction.