An ECC based public key infrastructure usable for mobile applications

Authors:
Sangram Ray;G. P. Biswas
Affiliations:
Indian School of Mines, Dhanbad, Jharkhand, India;Indian School of Mines, Dhanbad, Jharkhand, India
Venue:
Proceedings of the Second International Conference on Computational Science, Engineering and Information Technology
Year:
2012

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Abstract

The demand of a mobile phone and its various applications are increasing rapidly in recent era and as a result, it becomes vital to design and/or improve the existing PKI (Public Key Infrastructure) useful for mobile phones. Since a mobile phone has small screen, low computing power, small storage capacity etc, the present paper proposes an ECC-based PKI that overcomes all the limitations for the mobile phones as mentioned above. For this, we introduce a Mobile Home Agent (MHA) and Registration Authority (RA) that minimize the major work/processing loads of mobile phone and Certificate Authority (CA), respectively. In addition, the use of ECC reduces the computation cost, message size and transmission overhead over RSA significantly. The security analysis of the proposed PKI against relevant attacks and the comparisons with existing schemes shows overall improved performance.