





import os
import random
import sys

from . import cryptomath_module as cryptomath
from . import rabin_miller

UpperCAmelCase						:   int			  =     3







def  _SCREAMING_SNAKE_CASE				(   a  )      ->      int:
					print('Generating primitive root of p'  )
					while True:
										__A	:						str       =				random.randrange(3					,						a  )
										if pow(a					,						2					,						a  ) == 1:
															continue
										if pow(a					,						a					,						a  ) == 1:
															continue
										return g







def  _SCREAMING_SNAKE_CASE				(   a  )      ->      tuple[tuple[int, int, int, int], tuple[int, int]]:
					print('Generating prime p...'  )
					__A	:						Tuple       =				rabin_miller.generate_large_prime(a  )  # select large prime number.
					__A	:						Any       =				primitive_root(a  )  # one primitive root on modulo p.
					__A	:						Any       =				random.randrange(3					,						a  )  # private_key -> have to be greater than 2 for safety.
					__A	:						str       =				cryptomath.find_mod_inverse(pow(a					,						a					,						a  )					,						a  )

					__A	:						Union[str, Any]       =				(key_size, e_a, e_a, p)
					__A	:						Dict       =				(key_size, d)

					return public_key, private_key







def  _SCREAMING_SNAKE_CASE				(   a					,						a  )      ->      None:
					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()

					__A    ,				__A	:						Any       =				generate_key(a  )
					print(F"""\nWriting public key to file {name}_pubkey.txt..."""  )
					with open(F"""{name}_pubkey.txt"""					,						'w'  ) as fo:
										fo.write(F"""{public_key[0]},{public_key[1]},{public_key[2]},{public_key[3]}"""  )

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







def  _SCREAMING_SNAKE_CASE				(   )      ->      None:
					print('Making key files...'  )
					make_key_files('elgamal'					,						20_48  )
					print('Key files generation successful'  )


if __name__ == "__main__":
				main()











from __future__ import annotations







def  _SCREAMING_SNAKE_CASE				(   a  )      ->      int:
					if not nums:
										return 0
					__A	:						Optional[int]       =				nums[0]
					__A	:						str       =				0
					for num in nums[1:]:
										__A    ,				__A	:						Tuple       =				(
										    max_excluding + num,
										    max(a					,						a  ),
										)
					return max(a					,						a  )


if __name__ == "__main__":
				import doctest

				doctest.testmod()




