Abstract
At CDCIEM 2012, Yang et al. proposed a new construction of somewhat homomorphic encryption scheme over integers, which is quite efficient in the perspective of the key size. In this paper, we present an effective lattice reduction attack on Yang et al.’s scheme, where it is easy to recover the plaintext by applying LLL algorithm.
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Acknowledgments
This work was supported by National Research Foundation of Korea (NRF) under “2011 Korea-China Young Scientist Exchange Program” and National Science Fund of China under Grant No. 61103207 and also was partially supported by the National Research Foundation of Korea Grant funded by the Korean Government (MEST) (NRF-2010-0021575).
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Yang, H., Kim, H., Tang, D. (2013). Attack on Recent Homomorphic Encryption Scheme over Integers. In: Park, J., Ng, JY., Jeong, HY., Waluyo, B. (eds) Multimedia and Ubiquitous Engineering. Lecture Notes in Electrical Engineering, vol 240. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-6738-6_34
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DOI: https://doi.org/10.1007/978-94-007-6738-6_34
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