| Efficient and Provably Secure Multi-receiver Identity-Based Signcryption Recent countries visiting this post |  |
 | 7 | United States |
 | 3 | China |
 | 1 |
| Efficient and Provably Secure Multi-receiver Identity-Based Signcryption Recent countries visiting this post | |
| 7 | United States |
| 3 | China |
| 1 |