| Function | Matrix | Key encryption | Length of signature | Computation of verification | subject evidence | Computation of verification |
| PKI | CA | 1) Ask for certificate 2) Veryfy certificate, 2nG 3) Key encryption, 2nG | 224B + identifier | 4nG | 4nB | 2nG |
| CPK | 8 × 8 | Key encryption, 2nG | 1n + 4B = 36B | 2nG | 1nB | 1nG |
| 4 × 4 | Key encryption, 2nG | 10B … 20B | 2nG | 1nB | 1nG | |
| Performance |
| 3 proess:1 process | 7:1 | 4:2 | 4:1 | 2:1 |