Multi-Key Access Control for Meeting Documentation
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Solution Overview
Problem
Existing meeting documentation methods using smartphones or computers do not ensure secure access, as recordings can be accessed without consent, particularly in sensitive personal meetings where privacy is crucial, such as those between psychologists and patients, attorneys and clients, or in medical treatments.
Innovation Solution
A smartphone and computer application that allows participants to create personal identification keys, ensuring that meeting documentation files can only be accessed with the consent of all participants, using these keys, which can be numeric, biometric, or voice-based, and operates independently of a server, enabling secure recording and access control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If standard smartphone or computer recording applications are used for meeting documentation, then the documentation can be created and stored, but the security and access control of the documentation is insufficient, allowing unauthorized access
Solution Approach 1:
The access control mechanism is segmented into multiple independent personal keys, each held by a different participant. The documentation file is encrypted such that no single key can decrypt it alone - all participant keys must be combined simultaneously. This segmentation ensures that even if one participant's device is compromised, the documentation remains secure without all other participants' keys.
Solution Approach 2:
The personal keys are generated and distributed to participants before the meeting takes place. The encryption scheme is pre-configured so that the documentation file created during the meeting automatically inherits the multi-key access control. This preliminary setup ensures security is built-in from the start rather than added as an afterthought.
2Reliability
If multi-key access control is implemented for secure documentation access, then the security and privacy protection is improved, but the ease of operation and user convenience deteriorates
Solution Approach 1:
Each participant independently generates their own personal key through the application and retains full control of it on their own device. The system does not require a central administrator to manage access - each participant self-manages their key and can independently grant or revoke access by choosing whether to participate in the decryption process. This distributes the operational burden while maintaining strong security.
Solution Approach 2:
The documentation file itself acts as an intermediary that automatically coordinates the key combination process. When multiple participants attempt to access the file, the system automatically combines their personal keys through the pre-configured encryption scheme without requiring manual coordination. This intermediary mechanism simplifies the user experience while maintaining the security of multi-key control.
Data Source
AI summary
An application that enables documentation of meetings using a Smartphone or internet-based communication programs installed on a computer whereby the application enables each of the participants in the personal meeting to input a personal identification code designed to serve as a personal key. The application enables the user to document the personal meeting using the audio and video recording means of the Smartphone or the computer's internet-based communications programs and to save the documentation as a documentation file that may be opened only using all of the personal keys simultaneously.