Secure Digital Locker for Travel Docs
Objective
To build a secure, cloud-based locker system that allows travelers to store, manage, and share travel-related documents (like passport, visa, tickets, insurance, ID proofs) digitally, ensuring anywhere-anytime access with maximum security.
What You’ll Get
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A personalized digital locker for storing important travel docs.
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Encryption-based security for sensitive files.
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Role-based access control for sharing docs with airlines, hotels, or immigration authorities.
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Multi-platform access (web & mobile).
Working Flow
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User registers/logs in securely with MFA (Multi-Factor Authentication).
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User uploads travel documents (PDF, images, tickets, insurance, etc.).
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System encrypts documents before storing them in the cloud.
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User can view, download, or share documents via secure links or QR codes.
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Admins/Authorized entities can validate documents with time-limited access.
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System maintains audit logs of every access attempt for security compliance.
Key Features
| Feature | Description |
|---|---|
| Secure Upload & Storage | End-to-end encrypted file storage for documents. |
| Multi-Factor Authentication | OTP/Authenticator app for login. |
| Role-Based Access Sharing | Grant access only to airlines, hotels, or immigration with time limits. |
| QR Code / Secure Link Sharing | Generate QR codes or expirable links for quick document verification. |
| Cloud Backup & Sync | Automatic syncing of documents across devices. |
| Document Expiry Alerts | Reminds users about expiring passports, visas, or insurances. |
| Audit & Logs | Tracks all access, upload, and download events. |
Technology Stack
| Layer | Technology |
|---|---|
| Frontend | React.js / Angular (Web App), Flutter / React Native (Mobile App) |
| Backend | Spring Boot (Java) / Node.js (Express) |
| Database | PostgreSQL / MongoDB |
| Cloud Storage | AWS S3 / Google Cloud Storage / Azure Blob Storage |
| Security | AES-256 Encryption, SSL/TLS, JWT Authentication, OAuth2 |
| Additional APIs | QR Code API, Email/SMS Notification APIs |
Security Features
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AES-256 encryption for files before storage.
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Zero-Knowledge Architecture → Even server admins can’t read stored files.
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Time-based access tokens for document sharing.
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Biometric authentication (fingerprint/FaceID) on mobile apps.
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Audit logs for compliance (GDPR/ISO27001).