Question
can somone please explain this code? can you also explain every line in the code (line per line explanation) import random import math # Generates
can somone please explain this code? can you also explain every line in the code (line per line explanation)
import random
can somone please explain this code? can you also explain every line in the code (line per line explanation)
import random
import math
# Generates two prime numbers
def generate_primes():
#Generate all prime numbers between 2 and 100
primes = [num for num in range(2, 101) if all(num % i != 0 for i in range(2, int(math.sqrt(num)) + 1))]
return random.sample(primes, 2)
# Selects p and q
p, q = generate_primes()
# Calculates n, the product of p and q
n = p * q
# Calculates phi, the totient of n
phi = (p - 1) * (q - 1)
# Finds a value for e that is relatively prime to phi
def find_e(phi):
for e in range(2, phi):
if math.gcd(e, phi) == 1:
return e
e = find_e(phi)
# Finds a value for d that satisfies the equation (d * e) % phi == 1
def find_d(e, phi):
for d in range(2, phi):
if (e * d) % phi == 1:
return d
d = find_d(e, phi)
# Selects a random integer as the message to be encrypted
msg = random.randint(1, n)
# Encrypts the message using the values for e and n
def encrypt_msg(msg, e, n):
return (msg ** e) % n
e_msg = encrypt_msg(msg, e, n)
# Decrypts the message using the values for d and n
def decrypt_msg(e_msg, d, n):
return (e_msg ** d) % n
d_msg = decrypt_msg(e_msg, d, n)
print(f'[+] p = {p} and q = {q}')
print(f'[+] n = {n} and euler totient = {phi}')
print(f'[+] e = {e}')
print(f'[+] d = {d}')
print(f'[+] msg : {msg}')
print(f'[+] Encrypted msg : {e_msg}')
print(f'[+] Decrypted msg : {d_msg}')
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