4.2 THE RSA Cryptosystem WITH PRIMES We will discuss of this algorithm is based on the process below. [2) 4.2.1 Finding the keys We use the steps below to find public key and the private key 1. select two distinct large primes p, q,r and s. 2. Calculate n= p q r s and (n) (p- 1)(- 1)(r- 1)(s-1). 3. choose a number e, such that, (e, p(n)) = 1. To find the number e, we pick number e randomly and use Euclidean algorithm to find (e,(n)) 1. Also, choose a number f, such that, (f, (n)) = 1. To find the number e, we pick number f randomly and use Euclidean algorithm to find (f.(n)) 1 4. Find d, g and Y,such that,1 s d, g <(n), Y 2 1, and e•d - p(n) + Y - 1 f g-(n) Y =1 The numbers d, g and Y and (n) are kept secret. The number d, g are the private key or decryption key.
4.2 THE RSA Cryptosystem WITH PRIMES We will discuss of this algorithm is based on the process below. [2) 4.2.1 Finding the keys We use the steps below to find public key and the private key 1. select two distinct large primes p, q,r and s. 2. Calculate n= p q r s and (n) (p- 1)(- 1)(r- 1)(s-1). 3. choose a number e, such that, (e, p(n)) = 1. To find the number e, we pick number e randomly and use Euclidean algorithm to find (e,(n)) 1. Also, choose a number f, such that, (f, (n)) = 1. To find the number e, we pick number f randomly and use Euclidean algorithm to find (f.(n)) 1 4. Find d, g and Y,such that,1 s d, g <(n), Y 2 1, and e•d - p(n) + Y - 1 f g-(n) Y =1 The numbers d, g and Y and (n) are kept secret. The number d, g are the private key or decryption key.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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this, I got it from the net if it was only
2
p and q
In light of Hai, the professor asked me to ask me 4
p, q, r and s
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