Axborot xavfsizligining kriptografik usullari fanidan yakuniy nazorat ishi 1-bilet

Axborot xavfsizligining kriptografik usullari fanidan yakuniy nazorat ishi
35-bilet
1. Chiziqli va multiplikativ kongruent generatorlarini tushuntiring va misollar keltiring
2. RSA ochiq kalitli shifrlash algoritmi uchun quyidagi parametrlarga mos yopiq kalitni hisoblang. p=37, q=23, e=725, d=?, hamda shu parametrlar yordamida shifrlangan quyidagi shifrni oching(deshifrlang). C={506,592,461,506,660,267,312,579,33,651,570}, M=?
3. El-Gamal algoritmini tushuntiring va quyidagi parametrlar yordamida shifrni oching (deshifrlang)
P=347, g=302, x=140, a=167, b={178,5,81,74,81,324,74,220,102,192,234,102,95,5,206,310,5,324,5,81,5,95,102}, M=?
Kafedra mudiri Jo'rayev G.U.