13 Ocak 2025 Teknik not Açık Erişim

Mut Sağdıçoğlu, Öznur; Aygül, Ümit

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    "description": "<p>Bu teknik notta, DKLS&nbsp;imza protokol&uuml; ad\u0131mlar\u0131n\u0131n dikkatli bir \u015fekilde uygulanmamas\u0131 (implementasyonu) durumunda ortaya &ccedil;\u0131kabilecek bir zafiyet, yani bilinen&nbsp;<em>selective abort/selective failure</em>&nbsp;sald\u0131r\u0131s\u0131, detayl\u0131 bir \u015fekilde ele al\u0131nacakt\u0131r. Bu t&uuml;r zafiyetler, protokol&uuml;n entegrasyonunu kolayla\u015ft\u0131rmak ve performans\u0131n\u0131 art\u0131rmak amac\u0131yla, protokol&uuml;n kriterlerine tam uyum&nbsp;sa\u011flanmadan eksik ya da hatal\u0131 bir \u015fekilde uygulanmas\u0131ndan kaynaklanmaktad\u0131r. Daha a&ccedil;\u0131k bir ifadeyle, bu teknik notta, DKLS&nbsp;imza \u015femas\u0131n\u0131n temelini olu\u015fturan OT (Oblivious Transfer) protokol&uuml;nde, baz\u0131 girdi parametrelerinin her imza i&ccedil;in de\u011fi\u015ftirilmek yerine tekrar tekrar kullan\u0131lmas\u0131 durumunda &ouml;zel anahtar\u0131n a&ccedil;\u0131\u011fa &ccedil;\u0131kmas\u0131na ait analiz detayl\u0131 bir \u015fekilde a&ccedil;\u0131klanacakt\u0131r.</p>", 
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    "title": "A security concern about the reuse of the base OT setup in DKLS Signature Scheme"
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