Table 2 Comparison of Intel SGX and homomorphic aggregators. The response times are in seconds
From: Security and privacy aware data aggregation on cloud computing
Test case | Households | Intel SGX | Homomorphic | |||
|---|---|---|---|---|---|---|
Total time | One measurement | Total time | One measurement | Overhead | ||
Region consumption | 50 | 0.584±0.008 | < 0.001 | 1523±12.601 | 1.058 | 2608 |
Region consumption | 100 | 1.186±0.009 | < 0.001 | 3018.6±13.675 | 2.096 | 2545 |
Region consumption | 200 | 2.428±0.062 | 0.002 | 6060±45.299 | 4.208 | 2496 |
Monthly bill | 50 | 17.6±1.110 | < 0.001 | 46510.6±319.974 | 1.077 | 2643 |
Monthly bill | 100 | 36.2±1.360 | < 0.001 | 93412.8±940.763 | 2.162 | 2580 |
Monthly bill | 200 | 75.2±2.964 | 0.002 | 187803.8±564.790 | 4.347 | 2497 |