Abstract
In mobile adhoc networks (MANETs) an efficient and secure key management scheme is extremely crucial. Key management schemes for MANETs are mainly based on identity-based public key cryptography (IDPKC) or certificate-based public key cryptography, both of which has their inherit problem. The ID-PKC has the key escrow problem and certificate based cryptography have a high computational costs of certificates deployment. In this paper, we present a distributed key management scheme, in which a combination of certificate less public key cryptography (CL-PKC) and threshold cryptography is employed. The scheme proposed in this paper not only achieves several enhanced security attributes for key management in MANET but also eliminates the need for certificate-based public key distribution and the key escrow problem efficiently.
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