TODO: support BLS12-381 too
The code in this repository implements encryption using Poseidon as described in this paper.
It also provides an ECDH key deriviation function for public and private keys on the BabyJub curve.
| Number of message elements | Constraints |
|---|---|
| 1 | 778 |
| 2 | 779 |
| 3 | 778 |
| 4 | 1042 |
| 5 | 1043 |
| 6 | 1042 |
| 7 | 1306 |
| 8 | 1307 |
By comparision, a decryption circuit based on MiMC7 with 5 message elements uses 1820 constraints.