Welcome to the resource topic for 2015/960
Title:
More Efficient Secure Outsourcing Methods for Bilinear Maps
Authors: Öznur Arabacı, Mehmet Sabir Kiraz, İsa Sertkaya, Osmanbey Uzunkol
Abstract:Bilinear maps are popular cryptographic primitives which have been commonly used in various modern cryptographic protocols. However, the cost of computation for bilinear maps is expensive because of their realization using variants of Weil and Tate pairings of elliptic curves. Due to increasing availability of cloud computing services, devices with limited computational resources can outsource this heavy computation to more powerful external servers. Currently, the checkability probability of the most efficient outsourcing algorithm is 1/2 and the overall computation requires 4 point addition in the preimage and 3 multiplications in the image of the bilinear map under the one-malicious version of a two-untrusted-program model. In this paper, we propose two efficient new algorithms which decrease not only the memory requirement but also the overall communication overhead.
ePrint: https://eprint.iacr.org/2015/960
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