Authors:
Renan Fischer e Silva
;
Eduardo da Silva
and
Luiz Carlos Pessoa Albini
Affiliation:
Federal University of Paraná, Brazil
Keyword(s):
MANET, Public-key management, Virtualization, Virtual structure.
Related
Ontology
Subjects/Areas/Topics:
Information and Systems Security
;
Mobile System Security
;
Network Security
;
Sensor and Mobile Ad Hoc Network Security
Abstract:
Chaining-based key management schemes seem to be the ones that best fitMANETs. The main chaining-based scheme is the Self-Organized Public Key Management System (PGP-Like). However, it is fully vulnerable to impersonation attacks. In order to reduce such vulnerability, this article introduces a new public-key management system for MANETs, the Virtual Key Management System (VKM). VKM uses a virtual structure to indicate the trust between nodes and the certificate chains formation. VKM can behave in a restrict way, being able to tolerate impersonation attacks to a certain level, or it can behave similarly to the PGP-Like, just by changing a simple parameter. Thus, VKM can suit any user needs switching between these two models dynamically, without any network reinitialization or reconfiguration.