Functional requirements of Privacy-preserving Data Sharing Platform with non-functional

Functional Requirements

1. User Account Management
   • Account Creation: Allow users to create accounts with secure authentication mechanisms, including multi-factor authentication (MFA).
   • Profile Management: Enable users to manage their profiles, including personal information, privacy settings, and data-sharing preferences.
   • Access Control: Provide fine-grained access control to manage who can view or modify user profiles and shared data.
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2. Data Sharing and Access Control
   • Data Sharing Policies: Define and enforce policies for data sharing, including access permissions, data usage restrictions, and expiration times.
   • Granular Access Control: Implement granular access controls to specify which users or entities can access different parts of the data.
   • Permission Management: Allow users to grant, modify, or revoke permissions for accessing their data.
3. Privacy-Preserving Techniques
   • Data Encryption: Use encryption to protect data during transmission and storage, including end-to-end encryption and encryption-at-rest.
   • Data Anonymization: Apply data anonymization or pseudonymization techniques to remove or obscure personally identifiable information (PII) from shared data.
   • Homomorphic Encryption: (Optional) Implement homomorphic encryption to enable computations on encrypted data without exposing the actual content.
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4. Data Sharing Mechanisms
   • Secure Data Transmission: Ensure secure transmission of data using protocols such as HTTPS or other secure communication channels.
   • Data Integrity: Implement mechanisms to ensure data integrity, such as cryptographic hashes or digital signatures, to verify that data has not been altered.
5. Audit and Monitoring
   • Activity Logging: Maintain logs of data access and sharing activities, including user actions, data modifications, and access attempts.
   • Audit Trails: Provide audit trails for reviewing data access history and tracking changes made to data-sharing settings.
6. User Consent and Transparency
   • Consent Management: Obtain explicit user consent for data sharing and provide options to review and modify consent preferences.
   • Transparency Reports: Generate transparency reports detailing data sharing activities, access requests, and data usage.
7. Data Management
   • Data Classification: Allow users to classify their data based on sensitivity levels and apply appropriate privacy measures accordingly.
   • Data Deletion: Provide mechanisms for users to delete or request deletion of their data from the platform.
8. Integration with External Systems
   • API Access: Offer APIs for integration with third-party applications or systems, ensuring that data-sharing processes comply with privacy policies.
   • Interoperability: Ensure interoperability with other privacy-preserving systems and standards.
9. User Interaction and Interface
   • Dashboard: Provide a user-friendly dashboard for managing data-sharing settings, viewing shared data, and accessing audit reports.
   • Alerts and Notifications: Notify users of important events related to their data, such as access requests, policy changes, or consent updates.
10. Compliance and Legal Considerations
    • Regulatory Compliance: Ensure compliance with relevant data protection regulations and standards, such as GDPR (General Data Protection Regulation), CCPA (California Consumer Privacy Act), or HIPAA (Health Insurance Portability and Accountability Act).
    • Legal Agreements: Provide and manage legal agreements related to data sharing, including terms of service and privacy policies.

Non-Functional Requirements

1. Performance
   • Scalability: Design the platform to handle increasing numbers of users and data-sharing activities without performance degradation.
   • Response Time: Ensure low latency in data access and sharing processes to provide a seamless user experience.
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2. Reliability
   • System Uptime: Maintain high system availability with minimal downtime, ensuring the platform is accessible and functional 24/7.
   • Fault Tolerance: Implement fault-tolerant mechanisms to ensure continuous operation in case of hardware or software failures.
3. Usability
   • User Interface: Design an intuitive and user-friendly interface that makes it easy for users to manage data-sharing settings and view their data.
   • Accessibility: Ensure the platform is accessible to users with disabilities by following accessibility standards and guidelines.
4. Security
   • Data Protection: Implement robust security measures to protect user data from unauthorized access and breaches.
   • Authentication and Authorization: Use secure authentication methods and access controls to manage user permissions and data access.
5. Maintainability
   • Code Quality: Maintain a well-organized and documented codebase to facilitate maintenance, updates, and future development.
   • Update Management: Provide a structured process for deploying updates and patches, including user notifications about changes.
6. Compatibility
   • Cross-Browser Support: Ensure compatibility with major web browsers and their latest versions.
   • Device Compatibility: Support various devices and operating systems, including desktops, tablets, and mobile phones.
7. Compliance
   • Regulatory Compliance: Adhere to relevant regulations and standards related to data protection, privacy, and data-sharing practices.
   • Audit and Reporting: Ensure the platform provides comprehensive audit and reporting features to support compliance and oversight.
8. Backup and Recovery
   • Data Backup: Implement regular backups of user data and system configurations to prevent data loss.
   • Disaster Recovery: Develop and maintain a disaster recovery plan to restore system functionality and data in case of major failures or emergencies.