Research Article
Key Management Schemes for Multilayer and Multiple Simultaneous Secure Group Communication
Table 2
Performance of multilayer SGC.
| Number of users in different layers | Number of keys at server | Number of keys at each user | | | | | Dexter et al. scheme | Our scheme (% saving) | Dexter et al. scheme | Our scheme (% saving) | | | | | | | | | | | | | | |
| | | | | | (79) | | | | | (70) | (70) | (71 | (71) | | | | | | (80) | | | | | (73) | (73) | (73) | (72) | | | | | | (80) | | | | | (75) | (74) | (71) | (70) | | | | | | (80) | | | | | (76) | (75) | (73) | (72) |
|
|