Journal of Applied Mathematics / 2014 / Article / Tab 1

Research Article

Secure Collaborative Key Management for Dynamic Groups in Mobile Networks

Table 1

Communication and computation costs.

RoundsMessagesExponentiationsSignaturesVerifications

GDHJoin, mergem + 3n + 2m + 1n + 2m + 1m + 3n + 2m + 1
Leave1111
Partition2p + 12p
Master leave22

STRJoin 3m + 23m 2m + 2
Leave1111
Merge3323
Partition2323

TGDH Join, merge2323
Leave, partitionh 2h h

BDJoin, merge22n + 2m 32
Leave232
Partition22n 32

CKDJoin, merge3m + 2n + 2m 3m + 2
Leave1111
Partition3p + 2, 34
Master leave3n 3n

CODHJoin2m + 1n + m + 12m + 1
Leave1111
Merge2222
Partition2322
Master leave2222

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