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  • Open Access


    Generalization of Advanced Encryption Standard Based on Field of Any Characteristic

    Nabilah Abughazalah1, Majid Khan2,*, Noor Munir2, Ammar S. Alanazi3, Iqtadar Hussain4,5

    CMC-Computers, Materials & Continua, Vol.73, No.3, pp. 6121-6138, 2022, DOI:10.32604/cmc.2022.031417

    Abstract Nowadays most communications are done by utilizing digital transmission mechanisms. The security of this digital information transmitted through different communication systems is quite important. The secrecy of digital data is one of the burning topics of the digitally developed world. There exist many traditional algorithms in the literature to provide methods for robust communication. The most important and recent modern block cipher named the advanced encryption standard (AES) is one of the extensively utilized encryption schemes with binary based. AES is a succession of four fundamental steps: round key, sub-byte, shift row, and mix column.… More >

  • Open Access


    A New NTRU-Type Public-Key Cryptosystem over the Binary Field

    Youyu Gu1, Xiongwei Xie2, Chunsheng Gu3,*

    CMC-Computers, Materials & Continua, Vol.60, No.1, pp. 305-316, 2019, DOI:10.32604/cmc.2019.04121

    Abstract As the development of cloud computing and the convenience of wireless sensor netowrks, smart devices are widely used in daily life, but the security issues of the smart devices have not been well resolved. In this paper, we present a new NTRU-type public-key cryptosystem over the binary field. Specifically, the security of our scheme relies on the computational intractability of an unbalanced sparse polynomial ratio problem (DUSPR). Through theoretical analysis, we prove the correctness of our proposed cryptosystem. Furthermore, we implement our scheme using the NTL library, and conduct a group of experiments to evaluate More >

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