
import os
import random
import sys

from . import cryptomath_module as cryptoMath  # noqa: N812
from . import rabin_miller as rabinMiller  # noqa: N812




def 			_SCREAMING_SNAKE_CASE      (	)      ->					Union[str, Any]:






							'''simple docstring'''





							print("Making key files...")
							make_key_files("rsa"		,						1_024)
							print("Key files generation successful.")




def 			_SCREAMING_SNAKE_CASE      (	_lowerCamelCase				:    int)      ->					Dict:






							'''simple docstring'''





							print("Generating prime p...")
							__UpperCamelCase			:     List[str]         =      rabinMiller.generate_large_prime(__lowercase)
							print("Generating prime q...")
							__UpperCamelCase			:     List[str]         =      rabinMiller.generate_large_prime(__lowercase)
							__UpperCamelCase			:     Optional[Any]         =      p * q

							print("Generating e that is relatively prime to (p - 1) * (q - 1)...")
							while True:
														__UpperCamelCase			:     Optional[int]         =      random.randrange(2 ** (key_size - 1)		,						2 ** (key_size))
														if cryptoMath.gcd(__lowercase		,						(p - 1) * (q - 1)) == 1:
																					break

							print("Calculating d that is mod inverse of e...")
							__UpperCamelCase			:     Optional[int]         =      cryptoMath.find_mod_inverse(__lowercase		,						(p - 1) * (q - 1))

							__UpperCamelCase			:     Optional[Any]         =      (n, e)
							__UpperCamelCase			:     Optional[Any]         =      (n, d)
							return (public_key, private_key)




def 			_SCREAMING_SNAKE_CASE      (	_lowerCamelCase				:    str		,						_lowerCamelCase				:    int)      ->					Any:






							'''simple docstring'''





							if os.path.exists(F'{name}_pubkey.txt') or os.path.exists(F'{name}_privkey.txt'):
														print("\nWARNING:")
														print(
														    F'"{name}_pubkey.txt" or "{name}_privkey.txt" already exists. \n'
														    "Use a different name or delete these files and re-run this program.")
														sys.exit()

							__UpperCamelCase			:     List[str]         =      generate_key(__lowercase)
							print(F'\nWriting public key to file {name}_pubkey.txt...')
							with open(F'{name}_pubkey.txt'		,						"w") as out_file:
														out_file.write(F'{key_size},{public_key[0]},{public_key[1]}')

							print(F'Writing private key to file {name}_privkey.txt...')
							with open(F'{name}_privkey.txt'		,						"w") as out_file:
														out_file.write(F'{key_size},{private_key[0]},{private_key[1]}')


if __name__ == "__main__":
		main()

def 			_SCREAMING_SNAKE_CASE      (	_lowerCamelCase				:    int = 200)      ->					int:






							'''simple docstring'''





							__UpperCamelCase			:     Any         =      [1, 2, 5, 10, 20, 50, 100, 200]
							__UpperCamelCase			:     Any         =      [0] * (pence + 1)
							__UpperCamelCase			:     Union[str, Any]         =      1  # base case: 1 way to make 0 pence

							for coin in coins:
														for i in range(_lowerCamelCase		,						pence + 1		,						1):
																					number_of_ways[i] += number_of_ways[i - coin]
							return number_of_ways[pence]


if __name__ == "__main__":
		assert solution(200) == 73682