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AL_RSA(11-lecture)

Total questions: 13

Worksheet time: 8mins

Name
Class
Date
1.

Asimmetrik shifrlashda kalit .. ko`rinishda bo`ladi

a)

ochiq va yopiq

b)

ochiq

c)

yopiq

d)

yashirin

2.

RSA algoritmi qanday kalitlardan foydalanadi

a)

ochiq va yopiq

b)

ochiq

c)

yopiq

d)

yashirin

3.

RSA algoritmida e va d parametrlar nimani anglatadi ?

a)

e=public key, d = private key

b)

e= private key, d = public key

c)

e= private key, d = private key

d)

e=public key, d = public key

4.

p va q qanday sonlarda tashkil topadi

a)

Faqat tub sonlar

b)

Tub va murakkab sonlar

c)

Faqat murakkab sonlar

d)

Ixtiyoriy son

5.

p va q berilgan n=?

a)

p*q

b)

(p-1)*(q-1)

c)

p*p

d)

q*q

6.

p va q berilgan Fi=?

a)

p*q

b)

(p-1)*(q-1)

c)

p*p

d)

q*q

7.

p=7, q=5, e=? d=?

a)

e=d=5

b)

e=3, d=5

c)

e=5, d=3

d)

e=7, q=5

8.

n=35, e=5, berilgan 1, 2 , 3 sonlarni shifrlang

a)

1, 32, 33

b)

1, 10, 125

c)

1,32,125

d)

1,10,125

9.

RSA algoritmida shifrlash va deshifrlash jarayonlari qanday amalga oshiriladi?

a)

Faqat yopiq kalit yordamida shifrlanadi

b)

Faqat ochiq kalit yordamida shifrlanadi

c)

Yopiq kalit yordamida shifrlanadi, ochiq kalit yordamida deshifrlanadi

d)

Ochiq kalit yordamida shifrlanadi, yopiq kalit yordamida deshifrlanadi

10.

RSA algoritmida kalitlar qanday hosil qilinadi?

a)

Ochiq va yopiq kalitlar bir xil bo'ladi

b)

Ochiq kalit p va q tub sonlaridan hosil qilinadi

c)

Yopiq kalit faqat p sonidan hosil qilinadi

d)

Kalitlar tasodifiy sonlar orqali hosil qilinadi

11.

RSA algoritmida shifrlash uchun qaysi matematik operatsiyalar qo'llaniladi?

a)

Modul va ko'paytirish

b)

Qo'shish va ayirish

c)

Bo'lish va ko'paytirish

d)

Modul va ayirish

12.

Ushbu kodning vazifasi ?

a)

Ochiq kalitni topish

b)

Yopiq kalitni topish

c)

Fi ni hisoblash

d)

Ochiq kalit bilan shifrlash

13.

d = pow(e, -1, phi). Koddagi ushbu qatorning vazifasi ?

a)

d=e^(−1) mod phi

b)

d=e^(−1*phi)

c)

d=e * (−1) * phi

d)

d=e^ phi mod d