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        <datestamp>2025-01-19T08:56:59Z</datestamp>
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          <dc:title>攻撃のデータ量を効率的に削減可能なIntegral Propertyについて</dc:title>
          <dc:title xml:lang="en">On Integral Properties Eﬃciently Reducible to the Data Complexity of the Attack</dc:title>
          <jpcoar:creator>
            <jpcoar:creatorName>芝山, 直喜</jpcoar:creatorName>
          </jpcoar:creator>
          <jpcoar:creator>
            <jpcoar:creatorName>五十嵐, 保隆</jpcoar:creatorName>
          </jpcoar:creator>
          <jpcoar:creator>
            <jpcoar:creatorName xml:lang="en">Naoki, Shibayama</jpcoar:creatorName>
          </jpcoar:creator>
          <jpcoar:creator>
            <jpcoar:creatorName xml:lang="en">Yasutaka, Igarashi</jpcoar:creatorName>
          </jpcoar:creator>
          <jpcoar:subject subjectScheme="Other">ISEC</jpcoar:subject>
          <datacite:description descriptionType="Other">積分攻撃は共通鍵暗号に対する汎用な攻撃法の一つであり，データの集合の性質に着目した暗号解読法である．そこでは，まずデータの集合の性質を分類した Integral Property を用い，その伝搬調査から積分特性を探索する．そして，一般的に出力集合の XOR 総和が 0 となる性質を利用し，鍵に関する攻撃方程式を立て，これを解くことによって鍵回復を行う．本稿では，頻度分布を用いた Integral Property を導入し，その性質が攻撃方程式に利用可能な場合，従来よりも効率的に鍵の特定が可能となることを示す．また，その適用例として，ブロック暗号 Piccolo（縮小版）に対する鍵回復攻撃の実験結果を述べる．</datacite:description>
          <datacite:description descriptionType="Other">The integral attack is a general-purpose attack on symmetric key ciphers. It is a cryptanalysis method that focuses on the properties of a data set. First, it uses the Integral Property, which classiﬁes the properties of a data set, and then searches for integral characteristics by investigating its propagation. Then, using the property that the XOR sum of the output set becomes 0, we formulate an attack equation and solve it to recover the key. In this paper, we introduce the integral property based on the frequency distribution and show that if the property can be used in the attack equation, the key can be identiﬁed more eﬃciently than conventional ones. We also present experimental results of a key recovery attack against the reduced-round Piccolo block cipher.</datacite:description>
          <dc:publisher xml:lang="ja">情報処理学会</dc:publisher>
          <datacite:date dateType="Issued">2024-07-15</datacite:date>
          <dc:language>jpn</dc:language>
          <dc:type rdf:resource="http://purl.org/coar/resource_type/c_18gh">technical report</dc:type>
          <jpcoar:identifier identifierType="URI">https://ipsj.ixsq.nii.ac.jp/records/237231</jpcoar:identifier>
          <jpcoar:sourceIdentifier identifierType="ISSN">2188-8655</jpcoar:sourceIdentifier>
          <jpcoar:sourceIdentifier identifierType="NCID">AA11235941</jpcoar:sourceIdentifier>
          <jpcoar:sourceTitle>研究報告コンピュータセキュリティ（CSEC）</jpcoar:sourceTitle>
          <jpcoar:volume>2024-CSEC-106</jpcoar:volume>
          <jpcoar:issue>25</jpcoar:issue>
          <jpcoar:pageStart>1</jpcoar:pageStart>
          <jpcoar:pageEnd>6</jpcoar:pageEnd>
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