Axborot xavfsizligining kriptografik usullari fanidan yakuniy nazorat ishi 1-bilet

Axborot xavfsizligining kriptografik usullari fanidan yakuniy nazorat ishi
47-bilet
1. Katta sonlarni tub ko‘paytuvchilarga ajratish murakkabligiga asoslangan RSA generatorinin tushuntiring va misollar keltiring
2. RSA ochiq kalitli shifrlash algoritmi uchun quyidagi parametrlarga mos yopiq kalitni hisoblang. p=37, q=23, e=443, d=?, hamda shu parametrlar yordamida shifrlangan quyidagi shifrni oching(deshifrlang). C={265,619,416,769,391,210,769,319,85,36,668,767,767,683}, M=?
3. El-Gamal algoritmini tushuntiring va quyidagi parametrlar yordamida shifrni oching (deshifrlang)
P=367, g=284, x=6, a=1, b={101,118,111,108,121,117,116,115,105,111,110,105,114,108,97,110,105,115,104,105,103,97,32}, M=?
Kafedra mudiri Jo'rayev G.U.