In this paper, we show that it is possible and, indeed, feasible to use secure multiparty computation (SMC) for calculating the probability of a collision between two satellites. For this purpose, we first describe basic floating point arithmetic operators (addition and multiplication) for multiparty computations. The operators are implemented on the $${\textsc {Sharemind}}$$SHAREMIND SMC engine. We discuss the implementation details, provide methods for evaluating example elementary functions (inverse, square root, exponentiation of $$e$$e, error function). Using these primitives, we implement a satellite conjunction analysis algorithm and give benchmark results for the primitives as well as the conjunction analysis itself.
CITATION STYLE
Kamm, L., & Willemson, J. (2014). Secure floating point arithmetic and private satellite collision analysis. International Journal of Information Security, 14(6), 531–548. https://doi.org/10.1007/s10207-014-0271-8
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