Hierarchical deterministic pairwise key predistribution scheme
A key material, hierarchical network technology, applied in the field of medical wireless ad hoc sensor network system, can solve the problem of security endangering the security and integrity of the sensor and so on
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[0018] refer to figure 1 with figure 2 , the hierarchical network system 10 includes mobile nodes or devices (A, B, . In the infrastructure 14, the hierarchical infrastructure has L levels or security levels or domains 16, such as a first level (level 1), a second level (level 2) and a third level (level 3), for example, level The number of is equal to 3. Of course, it is contemplated that the hierarchical infrastructure 14 can have a greater or lesser number of security domains 16, such as 2, 4, 5, etc. Each mobile device (A, B, . . . , Z) includes a set 20 containing L device identifiers (IDs) 22 , each corresponding to a security domain 16 . Initially, prior to deployment, the keying material generator 24 generates an associated keying material set 30 for each mobile device (A, B, . . . , Z). Each keying material set 30 is composed of L keying material subsets 32 , each keying material subset 32 corresponding to an associated security domain 16 . The provisioning se...
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