HUANG Huawei, DENG Lunzhi, LI Chunhua, PAN Chunhua. Cryptanalysis of an Encryption Scheme Using Matrices over Finite Fields[J]. Chinese Journal of Electronics, 2018, 27(2): 292-296. doi: 10.1049/cje.2017.07.007
Citation: HUANG Huawei, DENG Lunzhi, LI Chunhua, PAN Chunhua. Cryptanalysis of an Encryption Scheme Using Matrices over Finite Fields[J]. Chinese Journal of Electronics, 2018, 27(2): 292-296. doi: 10.1049/cje.2017.07.007

Cryptanalysis of an Encryption Scheme Using Matrices over Finite Fields

doi: 10.1049/cje.2017.07.007
Funds:  This work is supported by the National Natural Science Foundation of China (No.61462016, No.61562012, No.11261018), the Science and Technology Foundation of Guizhou Province (No.[2014]2125, No.[2014]2142), the Doctorial Foundation of Guizhou Normal University (No.[2014]11904-0514021), and the Youth Science and Technology Talent Growth Program of Guizhou Province's Department of Education (No.[2016]130).
  • Received Date: 2015-12-21
  • Rev Recd Date: 2017-03-23
  • Publish Date: 2018-03-10
  • This paper presents an attack on an encryption scheme proposed by Pei et al. using matrices over finite fields in 2010. The public information allows the derivation of a system of polynomial equations for the equivalent secret key. By the equivalent secret key, the plaintexts of the encryption scheme can be obtained by the public key and the ciphertexts without the secret key.
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