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Previous Year Question (PYQs)

 Arrange the following in the correct order with respect to key generation for RSA algorithm.

A. Choose an integer $e$ such that $1<e<\lambda(n)$

B. Compute key length $n=p\times q$

C. Find $d$ which is equal to $\frac{1}{e}$

D. Choose two large prime numbers $p$ and $q$

E. Compute $\lambda(n)$

Choose the correct answer from the options given below:





Solution

In RSA key generation:

First choose two large prime numbers $p$ and $q$.

Then compute:

$n=p\times q$

Then compute:

$\lambda(n)$

Then choose public exponent $e$ such that:

$1<e<\lambda(n)$

Then find private key $d$.

So, correct order is:

$D-B-E-A-C$

Correct option is:

$\boxed{(c)\ D-B-E-A-C}$


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