| IOT | Internet of Things |
| SSE | searchable symmetric encryption |
| PKES | public key encryption with keyword search |
| KGA | keyword guessing attac |
| FFL | The file feature level |
| IOT | Internet of Things |
| SSE | searchable symmetric encryption |
| PKES | public key encryption with keyword search |
| KGA | keyword guessing attac |
| FFL | The file feature level |