On Applicability of Differential Cryptanalysis Linear Cryptanalysis and Mod n Cryptanalysis to an Encryption Algorithm M8（ISO9979-20）

• Item type: Journal(1)
• 公開日: 2001-08-15
• タイトル: On Applicability of Differential Cryptanalysis Linear Cryptanalysis and Mod n Cryptanalysis to an Encryption Algorithm M8（ISO9979-20）
• タイトル / 言語: en
• タイトル: On Applicability of Differential Cryptanalysis, Linear Cryptanalysis and Mod n Cryptanalysis to an Encryption Algorithm M8 (ISO9979-20)
• 言語: eng
• キーワード / 主題Scheme: Other
• キーワード / 主題: 特集：21世紀のコンピュータセキュリティ技術
• 資源タイプ / 資源タイプ識別子: http://purl.org/coar/resource_type/c_6501
• 資源タイプ: journal article
• その他タイトル / その他のタイトル: 対称暗号
• 著者所属: Information Technology R&D Center Mitsubishi Electric Corporation
• 著者所属: Graduate School of Environment and Information Sciences Yokohama National University
• 著者所属(英): en
• 著者所属(英): Graduate School of Engineering, Yokohama National University/Information Technology R&D Center, Mitsubishi Electric Corporation
• 著者所属(英): en
• 著者所属(英): Graduate School of Engineering, Yokohama National University/Graduate School of Environment and Information Sciences, Yokohama National University
• 著者名: Toshio, Tokita; Tsutomu, Matsumoto
• 著者名(英): Toshio, Tokita; Tsutomu, Matsumoto
• 論文抄録 / 内容記述タイプ: Other
• 論文抄録 / 内容記述: This paper discusses the security of M8 which is an encryption algorithm registered in ISO9979 (No.20). M8 is a common key block cipher of which block size is 64? bits and the number of rounds is variable and has an encryption key and system keys where the latter determines the structure of M8. We discuss applicability of `differential cryptanalysis' `linear cryptanalysis' and `mod n cryptanalysis' to M8 respectively. As a result we show that there exist `differential' and `linear' characteristics that hold with probability p=1 and `mod n' characters of which bias is remarkably high. These facts show that the strength of M8 is strongly dependent on the values of system keys.
• 論文抄録(英) / 内容記述タイプ: Other
• 論文抄録(英) / 内容記述: This paper discusses the security of M8, which is an encryption algorithm registered in ISO9979 (No.20). M8 is a common key block cipher, of which block size is 64\,bits and the number of rounds is variable, and has an encryption key and system keys, where the latter determines the structure of M8. We discuss applicability of `differential cryptanalysis', `linear cryptanalysis' and `mod n cryptanalysis' to M8, respectively. As a result, we show that there exist `differential' and `linear' characteristics that hold with probability p=1 and `mod n' characters of which bias is remarkably high. These facts show that the strength of M8 is strongly dependent on the values of system keys.
• 書誌レコードID / 収録物識別子タイプ: NCID
• 書誌レコードID / 収録物識別子: AN00116647
• 書誌情報: 情報処理学会論文誌; 巻 42, 号 8, p. 2098-2105, 発行日 2001-08-15
• ISSN / 収録物識別子タイプ: ISSN
• ISSN / 収録物識別子: 1882-7764