April 2014
Intermediate to advanced
538 pages
17h 31m
English
Content preview from Security for Multihop Wireless Networks
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TinyKey ◾ 233
(presented at the end of this section). Afterwards, the keys are passed to the appli-
cation-level key distribution manager (KDM) which sends the keys to the other
nodes of the network through dedicated interfaces of TinyKey.
9.6.2 Key Renewal
e renewal of the keys is performed periodically and the period is set at the com-
pilation time. e new generated keys are sent in broadcast and are encrypted with
a special set of predistributed keys shared by all the nodes in the network. In this
way, only legitimate nodes (i.e., the nodes with the correct preinstalled key set) are
capable of authenticating and decrypting the packet with ...
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