Differential Attack on IDEA Block Cipher Based on Its Key-Adding Function
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Дата
2025
Науковий керівник
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Видавець
Igor Sikorsky Kyiv Polytechnic Institute
Анотація
This paper examines a new theoretical differential attack on the IDEA block cipher and several relatedciphers from the same design family, such as PES and MESH. We present an analysis of the mostprobable differentials, which characterise the ciphers’ security against the proposed attack. We alsopropose a design modification targeting the cipher’s key-adding function to enhance its security againstthe attack
Опис
Ключові слова
symmetric cryptography, block cipher, Lai-Massey scheme, IDEA, differential cryptanalysis
Бібліографічний опис
Parshyn, O. Differential Attack on IDEA Block Cipher Based on Its Key-Adding Function / Oleksandr Parshyn, Mykola Khmelnytskyi // Theoretical and Applied Cybersecurity: scientific journal. – 2025. – Vol. 7, No. 3. – P. 38-44. – Bibliogr.: 14 ref.