Axborot xavfsizligining kriptografik usullari fanidan yakuniy nazorat ishi 1-bilet

Axborot xavfsizligining kriptografik usullari fanidan yakuniy nazorat ishi
14-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=373, d=?, hamda shu parametrlar yordamida shifrlangan quyidagi shifrni oching(deshifrlang). C={318,592,26,64,266,266,60,299,485,346,660,252,660,299,485,346,660,252,660,299,485}, M=?
3. El-Gamal algoritmini tushuntiring va quyidagi parametrlar yordamida shifrni oching (deshifrlang)
P=811, g=37, x=167, a=148, b={260,460,272,789,366,307,319,178,131,742,213,789,648,742,225,742,754,742,554,131,307,225,742,754,742,554}, M=?
Kafedra mudiri Jo'rayev G.U.