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Nodes in ad hoc networks often self-organize into clusters in which a node need anonymously prove the membership in some scenarios. For a self-organized cluster, any node should have the capacity to act as the cluster manger and use varying pseudonyms to keep privacy while the procedure of reissuing key is not desirable. Dynamic group signature schemes provide a probable solution, but are inappropriate...
Pseudonyms are often used by nodes to anonymously communicate in ad hoc networks. However, in exiting anonymous routing protocols for ad hoc networks, most pseudonym schemes have side effects that diminish the anonymity of protocols, and authentication protocols based on them are inefficient as to scarce communication resources. Classical pseudonym systems are applicable for center-controlled networks...
The anonymous mechanism of existing anonymous routing protocols in ad hoc networks significantly degraded their routing performances. To resolve the problem, this paper proposes a hierarchical pseudonym-based signature scheme and a self-generated pseudonym system based on the former. The signature scheme can be easily used to construct pseudonym system and non-interactively update private decryption...
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