Table 5.
DECAP Delay in milliseconds (ms) for different cryptographic schema on CubieBoard (CB), Intel Xeon (Xn) and Intel i7 (i7) processors, using the AES-CCM algorithm with 128 bits keys.
| Security Level | NISTP192-SHA256 | NISTP224-SHA256 | NISTP224-SHA224 | NISTP384-SHA256 | NISTP384-SHA384 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CB | Xn | i7 | CB | Xn | i7 | CB | Xn | i7 | CB | Xn | i7 | CB | Xn | i7 | |
| Verify w/o Certificate a | 10.71 | 1.49 | 0.47 | 13.98 | 2.08 | 0.69 | 14.26 | 2.06 | 1.04 | 66.79 | 8.35 | 3.46 | 67.31 | 8.38 | 3.63 |
| Verify with Certificate a | 10.88 | 1.52 | 0.48 | 14.03 | 2.10 | 0.67 | 14.55 | 2.07 | 0.78 | 66.84 | 8.34 | 3.33 | 67.55 | 8.46 | 3.06 |
| Decrypt w/o Certificate b | 10.39 | 1.44 | 0.48 | 13.50 | 1.99 | 0.65 | 13.82 | 1.97 | 0.75 | 64.26 | 7.93 | 2.73 | 64.86 | 8.03 | 2.75 |
| Decrypt with Certificate b | 10.65 | 1.45 | 0.49 | 13.69 | 1.99 | 0.67 | 14.02 | 1.99 | 1.53 | 64.61 | 7.99 | 2.74 | 65.24 | 8.08 | 2.83 |
| Verify & Decrypt w/o Certificate c | 14.00 | 1.93 | 0.64 | 18.24 | 2.71 | 0.88 | 18.64 | 2.69 | 1.55 | 86.41 | 10.78 | 3.67 | 87.44 | 10.87 | 3.77 |
| Verify & Decrypt with Certificate c | 14.31 | 1.95 | 0.66 | 18.58 | 2.69 | 1.48 | 18.92 | 2.70 | 1.04 | 87.06 | 10.82 | 3.68 | 87.78 | 10.99 | 3.71 |
a Messages are digitally verified using ECDSA; b Messages are decrypted using ECIES with AES; c Messages are digitally verified using ECDSA and decrypted using ECIES with AES.