Controlled Interface Media Converters for MAC Address Spoofing
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Solution Overview
Problem
Current network security measures are inadequate in preventing hackers from accessing devices on a network, especially in scenarios where real-time data transfer is required between networks with different security clearances, and existing methods are vulnerable to hacking attacks that exploit MAC addresses.
Innovation Solution
A controlled interface system using a set of hardware components and software to manage signals between devices, employing media converters with spoofing fiber-optic signals to deceive media converters into thinking a bidirectional communication link exists, allowing secure data transmission without revealing device identities or MAC addresses, and enabling real-time data exchange between secure enclaves.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If MAC addresses are used for network communication, then device identification and network connectivity are enabled, but devices become vulnerable to hacking attacks and tracking
Solution Approach 1:
The patent introduces a controlled interface system with media converters that act as intermediaries between devices and the network. These media converters mask the true MAC addresses by using spoofing techniques and random MAC addresses, preventing hackers from directly accessing device identities while maintaining network communication functionality
Solution Approach 2:
The patent creates fake MAC address copies that differ from the true device MAC addresses. The controlled interface system generates and transmits spoofing MAC addresses that mimic legitimate device identifiers, allowing network communication to proceed while protecting the actual device identity from being exposed to potential attackers
2Object-affected harmful factors
If random MAC addresses are used to prevent tracking, then device anonymity is improved, but network security against hacking attacks deteriorates
Solution Approach 1:
The patent implements dynamic MAC address management where the controlled interface system can switch between random MAC addresses for anonymity and spoofing MAC addresses for security. The system dynamically adapts its addressing strategy based on the operational context, allowing devices to maintain both anonymity and security protection simultaneously
Solution Approach 2:
The patent changes the parameters of MAC address usage by introducing controlled interface devices that modify MAC address properties. The media converters transform the static MAC address identification into a dynamic system where addresses can be randomized, spoofed, or masked, fundamentally changing how device identification works in the network
3Reliability
If controlled interface with media converters is implemented, then device identity masking and security are improved, but network infrastructure complexity increases
Solution Approach 1:
The patent segments the network infrastructure by inserting controlled interface devices (media converters) between end devices and the network. This segmentation isolates device identities within private networks while presenting only spoofing addresses to the public network, protecting devices without requiring complex changes to the devices themselves
4Productivity
If real-time data transfer is enabled between networks with different security clearances, then data exchange capability is improved, but security vulnerabilities increase
Solution Approach 1:
The patent uses controlled interface systems as intermediaries between networks with different security clearances. The media converters enable real-time data transfer while maintaining security boundaries, allowing fast communication without exposing devices directly to each other's networks or compromising security clearance protocols
Data Source
AI summary
A method of using a controlled interface for managing data communicated between a first device and a second device. The method includes storing a first low-level protocol address and a second low-level protocol address in the controlled interface, receiving from the first device a first signal at a first part of the controlled interface, the first signal having first high-level addressing data, stripping the high-level addressing data to yield a first payload, associating the low-level protocol address with the first payload, transmitting the low-level addressed payload to a second part of the controlled interface, stripping, at the second part of the controlled interface, the low-level protocol address associated with the low-level addressed payload, associating a second high-level addressing data to the payload and transmitting the high-level addressed payload from the second part of the controlled interface to the second device.