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has been cited by the following article:

• TITLE: On the LWE Cryptosystem with More General Disturbance

  AUTHORS: Zhiyong Zheng, Kun Tian

  KEYWORDS: Learning with Errors Problem, Decryption Error, Probability, General Disturbance

  JOURNAL NAME: Journal of Information Security, Vol.13 No.3, July 11, 2022

  ABSTRACT: The main purpose of this paper is to give an extension on learning with errors problem (LWE) based cryptosystem about the probability of decryption error with more general disturbance. In the first section, we introduce the LWE cryptosystem with its application and some previous research results. Then we give a more precise estimation probability of decryption error based on independent identical Gaussian disturbances and any general independent identical disturbances. This upper bound probability could be closed to 0 if we choose applicable parameters. It means that the probability of decryption error for the cryptosystem could be sufficiently small. So we verify our core result that the LWE-based cryptosystem could have high security.