Computer-Networks
August 29, 2024Computer-Networks
August 29, 2024Computer-Networks
| Question 387 |
In RSA algorithm if p=7, q=11 and e=13 then what will be the value of d?
| 23 | |
| 40 | |
| 37 | |
| 13 |
Question 387 Explanation:
We know that in RSA algorithm,
e * d ≡ 1 mod φ(n)
Lets first find φ(n),
φ(n) = (p-1)(q-1)
= (7-1)(11-1)
= 60
Now,
e * d ≡ 1 mod φ(n)
13 * d ≡ 1 mod 60
For d = 37 the above equation satisfies.
e * d ≡ 1 mod φ(n)
Lets first find φ(n),
φ(n) = (p-1)(q-1)
= (7-1)(11-1)
= 60
Now,
e * d ≡ 1 mod φ(n)
13 * d ≡ 1 mod 60
For d = 37 the above equation satisfies.
Correct Answer: C
Question 387 Explanation:
We know that in RSA algorithm,
e * d ≡ 1 mod φ(n)
Lets first find φ(n),
φ(n) = (p-1)(q-1)
= (7-1)(11-1)
= 60
Now,
e * d ≡ 1 mod φ(n)
13 * d ≡ 1 mod 60
For d = 37 the above equation satisfies.
e * d ≡ 1 mod φ(n)
Lets first find φ(n),
φ(n) = (p-1)(q-1)
= (7-1)(11-1)
= 60
Now,
e * d ≡ 1 mod φ(n)
13 * d ≡ 1 mod 60
For d = 37 the above equation satisfies.
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