Abstract
We propose a new variant of HK09 (proposed by Hofheinz and Kiltz in Eurocrypt 2009) which improves the decapsulation efficiency at the price of a slightly increased key size. Compared with the original HK09 scheme the decapsulation efficiency is improved by 32% (instantiated over the quadratic residuosity group) or 57.6% (instantiated over the semi-smooth subgroup) and the encapsulation efficiency remains the same. © 2012 Springer-Verlag.
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CITATION STYLE
Lu, X., Li, B., Mei, Q., & Liu, Y. (2012). Improved efficiency of chosen ciphertext secure encryption from factoring. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 7232 LNCS, pp. 34–45). https://doi.org/10.1007/978-3-642-29101-2_3
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