Axborot xavfsizligining kriptografik usullari fanidan yakuniy nazorat ishi 1-bilet

Axborot xavfsizligining kriptografik usullari fanidan yakuniy nazorat ishi
8-bilet
1. AES- malumotlarni shifrlash standarti algoritmini tushuntiring
2. RSA ochiq kalitli shifrlash algoritmi uchun quyidagi parametrlarga mos yopiq kalitni hisoblang. p=37, q=23, e=709, d=?, hamda shu parametrlar yordamida shifrlangan quyidagi shifrni oching(deshifrlang). C={92,404,333,144,232,561,93,437,142,333,739,749,449,273}, M=?
3. El-Gamal algoritmini tushuntiring va quyidagi parametrlar yordamida shifrni oching (deshifrlang)
P=467, g=206, x=182, a=388, b={270,58,376,313,419,35,141,207,58,459,419,78,15,78}, M=?
Kafedra mudiri Jo'rayev G.U.