Pairing-Free Certificateless Ring Signcryption (PF-CLRSC) Scheme for Wireless Sensor Networks
2015
Signcryption is a novel cryptographic primitive, which enables a user to perform digital signature (providing authenticity) and public key encryption (providing message confidentiality) simultaneously in a single logical step with a cost lesser than sign-then-encrypt approach. Without revealing the identity of the user (maintaining anonymity), ring signcryption can provide confidentiality and authenticity both. In this paper, a Pairing-Free Certificateless Ring Signcryption (PF-CLRSC) Scheme for Wireless Sensor Networks has been proposed. In addition, existing certificateless ring signcryption schemes have been analyzed based on various parameters. A comparison illustrating the computational cost has been prepared, which can be helpful in deciding the efficiency and security of the algorithm. Also, the proposed approach has been evaluated for Wireless Sensor Networks (WSN). The experimental evaluation of the PF-CLRSC algorithm on MICAz sensor mote, using TinyOS and RELIC-Toolkit cryptographic library proved the feasibility of the proposed scheme.
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