S-BOX BAHOLASH USULLARINING KAMCHILIKLARI VA TAKOMILLASHTIRISH ZARURIYATI
Keywords:
S-box, kriptografik baholash mezonlari, chiziqsizlik, differensial yaqinlash ehtimolligi, chiziqli yaqinlash ehtimolligi, qat’iy ko‘chki mezoni, algebraik daraja, yon kanal hujumlari, ko‘p mezonli qaror qabul qilish, kvant-chidamli kriptografiya, mashina o‘rganish, post-kvant kriptografiya, kriptotahlil.Abstract
Maqolada blokli shifrlarning asosiy chiziqsiz komponenti — S-boxlarni baholashning mavjud usullari tizimli tahlil qilinadi. Tadqiqotda mavjud baholash usullarining oltita asosiy kamchiligi aniqlangan: mezonlarning alohida baholanishi, og‘irlik koeffitsientlarining sub’ektivligi, kontekstga bog‘liq bo‘lmagan baholash, zamonaviy hujum turlarining hisobga olinmasligi, standartlashtirish muammolari va hisoblash murakkabligining eksponensial o‘sishi. Ko‘p mezonli qaror qabul qilish usullari (TOPSIS, VIKOR, AHP) asosida integrallashgan baholash tizimi, kvant-chidamli mezonlar va mashina o‘rganish algoritmlarini qo‘llash kabi takomillashtirish yo‘nalishlari taklif etiladi. 2024–2026 yillardagi eng so‘nggi tadqiqotlar qiyosiy tahlil qilingan.
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