text: import os
  import random
  import sys
  from typing import Tuple
  
  from . import cryptomath_module as cryptoMath
  from . import rabin_miller as rabinMiller
  
  
  def main():
      print("Making key files...")
      makeKeyFiles("rsa", 1024)
      print("Key files generation successful.")
  
  
  def generateKey(keySize: int) -> Tuple[Tuple[int, int], Tuple[int, int]]:
      print("Generating prime p...")
      p = rabinMiller.generateLargePrime(keySize)
      print("Generating prime q...")
      q = rabinMiller.generateLargePrime(keySize)
      n = p * q
  
      print("Generating e that is relatively prime to (p - 1) * (q - 1)...")
      while True:
          e = random.randrange(2 ** (keySize - 1), 2 ** (keySize))
          if cryptoMath.gcd(e, (p - 1) * (q - 1)) == 1:
              break
  
      print("Calculating d that is mod inverse of e...")
      d = cryptoMath.findModInverse(e, (p - 1) * (q - 1))
  
      publicKey = (n, e)
      privateKey = (n, d)
      return (publicKey, privateKey)
  
  
  def makeKeyFiles(name: int, keySize: int) -> None:
      if os.path.exists("%s_pubkey.txt" % (name)) or os.path.exists(
          "%s_privkey.txt" % (name)
      ):
          print("\nWARNING:")
          print(
              '"%s_pubkey.txt" or "%s_privkey.txt" already exists. \n'
              "Use a different name or delete these files and re-run this program."
              % (name, name)
          )
          sys.exit()
  
      publicKey, privateKey = generateKey(keySize)
      print("\nWriting public key to file %s_pubkey.txt..." % name)
      with open("%s_pubkey.txt" % name, "w") as out_file:
          out_file.write("{},{},{}".format(keySize, publicKey[0], publicKey[1]))
  
      print("Writing private key to file %s_privkey.txt..." % name)
      with open("%s_privkey.txt" % name, "w") as out_file:
          out_file.write("{},{},{}".format(keySize, privateKey[0], privateKey[1]))
  
  
  if __name__ == "__main__":
      main()
  