@misc{cryptoeprint:2019:1231, author = {Zhao Chunhuan and Zheng Zhongxiang and Wang Xiaoyun and Xu Guangwu}, title = {Distinguishing LWE Instances Using Fourier Transform: A Refined Framework and its Applications}, howpublished = {Cryptology ePrint Archive, Report 2019/1231}, year = {2019}, url = {https://eprint.iacr.org/2019/1231}, }