Differential Attack on IDEA Block Cipher Based on Its Key-Adding Function

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dc.contributor.authorParshyn, Oleksandr
dc.contributor.authorKhmelnytskyi, Mykola
dc.date.accessioned2026-03-02T13:20:55Z
dc.date.available2026-03-02T13:20:55Z
dc.date.issued2025
dc.description.abstractThis 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
dc.format.pagerangeP. 38-44
dc.identifier.citationParshyn, 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.
dc.identifier.doihttps://doi.org/10.20535/tacs.2664-29132025.3.345793
dc.identifier.urihttps://ela.kpi.ua/handle/123456789/79150
dc.language.isoen
dc.publisherIgor Sikorsky Kyiv Polytechnic Institute
dc.publisher.placeKyiv
dc.relation.ispartofTheoretical and Applied Cybersecurity: scientific journal, Vol. 7, No. 3
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/deed.uk
dc.subjectsymmetric cryptography
dc.subjectblock cipher
dc.subjectLai-Massey scheme
dc.subjectIDEA
dc.subjectdifferential cryptanalysis
dc.subject.udc004.056.55:512.6+519.688
dc.titleDifferential Attack on IDEA Block Cipher Based on Its Key-Adding Function
dc.typeArticle

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Theoretical and Applied Cybersecurity: scientific journal, Vol. 7, No. 3