Implement attribute-based encryption applications for fine-grained proof access**

[jobbykings]

Create advanced attribute-based encryption applications for fine-grained proof access, policy-based encryption, and dynamic access control.

Requirements:
Attribute-based encryption application implementation
Fine-grained proof access control
Policy-based encryption
Dynamic access management
ABE security verification
Access control efficiency optimization

Acceptance Criteria:
GIVEN ABE application, WHEN used, THEN attributes determine proof access rights
GIVEN fine-grained control, WHEN implemented, THEN access is precisely controlled
GIVEN policy-based encryption, WHEN applied, THEN access follows defined policies
GIVEN dynamic management, WHEN needed, THEN access rights can be updated
GIVEN efficiency optimization, WHEN applied, THEN ABE operations are fast

Files to Work On:

Backend:

backend/src/abeapplications/ABEApplications.ts (new)
backend/src/abeapplications/FineGrainedController.ts (new)
backend/src/abeapplications/PolicyEncryptor.ts (new)
backend/src/abeapplications/DynamicManager.ts (new)
backend/src/services/ABEApplicationService.ts (new)

Frontend:

frontend/src/components/ABEApplications/AccessControl.tsx (new)
frontend/src/components/ABEApplications/PolicyManager.tsx (new)