Research Article
Fine-Grained Task Access Control System for Mobile Crowdsensing
| | [26] | [28] | [30] | [31] | [32] | Our system |
| Hidden access policy | ✗ | ✓ | ✓ | ✗ | ✓ | ✓ | Ciphertext search | ✓ | ✗ | ✗ | ✗ | ✓ | ✓ | Pre-decryption | ✗ | ✗ | ✓ | ✗ | ✗ | ✓ | Access structure | | | Tree | And, Or | And | |
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✓ represents the scheme owns the feature. ✗ represents the scheme does not own the feature.
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