| A secure unidirectional proxy re-encryption using identity and secret key exchange Recent countries visiting this post |  |
 | 5 | United States |
 | 1 | |
 | 1 | Lithuania |
| A secure unidirectional proxy re-encryption using identity and secret key exchange Recent countries visiting this post | |
| 5 | United States |
| 1 | |
| 1 | Lithuania |