Location-Based Decryption for Media Devices
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Solution Overview
Problem
Media devices often struggle to securely manage confidential information, as once decrypted, the information can be compromised or transmitted to unauthorized parties, highlighting a need for enhanced information security systems that control access based on location.
Innovation Solution
Implementing a location-based decryption system where media devices can decrypt encrypted content only when within authorized geolocations or proximity to designated reference objects, using location sensors and a server to transmit cryptographic keys, ensuring secure access and preventing unauthorized access by terminating decryption when the device leaves the authorized area.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If confidential information is encrypted and decrypted on media devices, then information security is improved, but the risk of unauthorized access and data compromise increases once the decryption key is obtained
Solution Approach 1:
The patent implements dynamic decryption control where the decryption state changes based on real-time location conditions. The confidential information is decrypted only when the media device is within the authorized geofenced location, and re-encrypted or access is terminated when the device moves outside the authorized area. This dynamic approach ensures that security protections are actively maintained rather than being static.
Solution Approach 2:
The system continuously monitors the location of the media device using location sensors and compares it against the authorized geofenced location. This feedback mechanism triggers automatic decryption or re-encryption actions based on whether the device is within or outside the authorized boundaries, creating a closed-loop security system that responds to location changes.
2Reliability
If location-based decryption control is implemented, then unauthorized access is prevented, but device complexity increases due to additional location sensors and decryption control mechanisms
Solution Approach 1:
The patent leverages existing multi-functional components in media devices. Location sensors (GPS, Wi-Fi positioning, cellular triangulation) that are already present for navigation and location-based services are repurposed for security control. The decryption control system integrates with existing encryption hardware and software infrastructure, avoiding the need for entirely new dedicated security hardware.
Solution Approach 2:
The system automatically performs decryption and re-encryption operations based on location conditions without requiring manual user intervention. The media device autonomously monitors its own location, determines whether it is within the authorized geofenced area, and executes the appropriate decryption or security termination action, reducing the need for complex user-facing controls.
3Reliability
If decryption is automatically terminated when leaving authorized location, then data compromise is prevented, but loss of access to legitimate information occurs due to location changes
Solution Approach 1:
The system establishes predetermined geofenced locations and authorization rules in advance. When the media device enters or exits these pre-defined boundaries, the system automatically triggers decryption or re-encryption actions based on the pre-configured security policies, eliminating the need for real-time decision-making and reducing access interruption time.
Solution Approach 2:
The system implements periodic location checking and decryption state verification. Instead of continuous monitoring that could cause excessive processing overhead, the system checks location at regular intervals and updates decryption status accordingly, balancing security responsiveness with system performance and access continuity.
Data Source
AI summary
Described herein are systems, devices and methods for decrypting content based on location. A media device may decrypt content based on determination of a location-based decryption event. The location-based decryption event may include the media device being located within a location previously defined as authorized to decrypt the content. The location-based decryption event may also include the media device being located within a predetermined distance of a designated reference object.