TY - JOUR N2 - Currently, the Republic of Kazakhstan is developing a new standard for symmetric data encryption. One of the candidates for the role of the standard is the Qamal encryption algorithm developed by the Institute of Information and Computer Technologies (Almaty, Republic of Kazakhstan). The article describes the algorithm. Differential properties of the main operations that make up the Qamal cypher are considered in the questions of stability. We have shown that for a version with a 128-bit data block and the same secret key size for three rounds of encryption it is difficult to find the right pairs of texts with a probability of 2–120, which makes differential cryptanalysis not applicable to the Qamal cypher. L1 - http://journals.pan.pl/Content/117118/PDF/87_2912_Algazy_skl_new1.pdf L2 - http://journals.pan.pl/Content/117118 PY - 2020 IS - No 4 EP - 653 DO - 10.24425/ijet.2020.134023 KW - cryptography KW - block cypher KW - difference KW - differential cryptanalysis KW - probability A1 - Algazy, Kunbolat T. A1 - Babenko, Ludmila K. A1 - Biyashev, Rustem G. A1 - Ishchukova, Evgeniya A. A1 - Romaniuk, Ryszard A1 - Kapalova, Nursulu A. A1 - Nysynbaeva, Saule E. A1 - Smolarz, Andrzej PB - Polish Academy of Sciences Committee of Electronics and Telecommunications VL - vol. 66 DA - 2020.12.02 T1 - Differential Cryptanalysis of New Qamal Encryption Algorithm SP - 647 UR - http://journals.pan.pl/dlibra/publication/edition/117118 T2 - International Journal of Electronics and Telecommunications ER -