Table 7 Performance of the IDCP and the EPPCP for different key lengths
From: An efficient privacy-preserving comparison protocol in smart metering systems
| Â | 512 bits | 1024 bits | 2048 bits | ||||||
|---|---|---|---|---|---|---|---|---|---|
Protocol | c i | PD | Run-time | c i | PD | Run-time | c i | PD | Run-time |
IDCP | 2.7 | 0.8 | 6.9 | 5.9 | 6.1 | 21.5 | 15.0 | 44.4 | 93.0 |
EPPCP | 0.1 | 0.5 | 4.2 | 0.3 | 2.0 | 13.2 | 1.4 | 6.4 | 41.4 |
Improvement | 96 % | 37 % | 39 % | 95 % | 67 % | 39 % | 91 % | 85 % | 55 % |