Axborot xavfsizligining kriptografik usullari fanidan yakuniy nazorat ishi 1-bilet

Axborot xavfsizligining kriptografik usullari fanidan yakuniy nazorat ishi
58-bilet
1. Chiziqsiz kongruent generatorini tushuntiring va misollar keltiring
2. RSA ochiq kalitli shifrlash algoritmi uchun quyidagi parametrlarga mos yopiq kalitni hisoblang. p=37, q=23, e=41, d=?, hamda shu parametrlar yordamida shifrlangan quyidagi shifrni oching(deshifrlang). C={5,37,602,381,127,127,674,506,583,461,623,206,623,506,583,461,623,206,623,506,583,602,674}, M=?
3. El-Gamal algoritmini tushuntiring va quyidagi parametrlar yordamida shifrni oching (deshifrlang)
P=373, g=126, x=229, a=20, b={359,251,11,251,19,334,251,334,367,342,44,276,44,251}, M=?
Kafedra mudiri Jo'rayev G.U.