| Function | Matrix | Proofs Before Event | Key Encryption | Signature | Verify | Subject Evidence | Verify |
| PKI | CA | No | 1. Ask for certificate 2. Verify certificate, 2nG 3. Key encryption, 2nG | 224B + identifier | 4nG | 4nB | 2nG |
| CPK | 8 × 8 | Yes | Key encryption, 2nG | 1n + 4B = 36B | 2nG | 1nB | 1nG |
| 4 × 4 | Yes | Key encryption, 2nG | 10B..20B | 2nG | 1nB | 1nG | |
| Compared |
| No: Yes | 3:1 | 7:1 | 4:2 | 4: 1 | 2:1 |