

from __future__ import annotations

from typing import Any






class 	A_		(	SCREAMING_SNAKE_CASE__    ):
							pass






class 	A_		:
							def __init__(		self		:      Optional[int]       ,SCREAMING_SNAKE_CASE__		:      Any):
								__lowerCamelCase    :    int 	=			data
								__lowerCamelCase    :    Optional[Any] 	=			None
							def __iter__(		self		:      List[str]):
								__lowerCamelCase    :    Optional[int] 	=			self
								__lowerCamelCase    :    Optional[Any] 	=			[]
								while node:
									if node in visited:
										raise ContainsLoopError
									visited.append(a_)
									yield node.data
									__lowerCamelCase    :    int 	=			node.next_node


							@property
							def    lowerCAmelCase					(		self		:      List[Any]):



								try:
									list(self)
									return False
								except ContainsLoopError:
									return True


if __name__ == "__main__":
					a		=Node(1)
					a		=Node(2)
					a		=Node(3)
					a		=Node(4)
					print(root_node.has_loop)  # False
					a		=root_node.next_node
					print(root_node.has_loop)  # True

					a		=Node(5)
					a		=Node(6)
					a		=Node(5)
					a		=Node(6)
					print(root_node.has_loop)  # False

					a		=Node(1)
					print(root_node.has_loop)  # False







import os
import random
import sys

from . import cryptomath_module as cryptomath
from . import rabin_miller

a		=3






def        SCREAMING_SNAKE_CASE__	(  lowerCamelCase__      )  ->					int:
	print('Generating primitive root of p'      )
	while True:
		__lowerCamelCase    :    Tuple 	=			random.randrange(3     ,			lowerCamelCase__      )
		if pow(lowerCamelCase__     ,			2     ,			lowerCamelCase__      ) == 1:
			continue
		if pow(lowerCamelCase__     ,			lowerCamelCase__     ,			lowerCamelCase__      ) == 1:
			continue
		return g






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

	__lowerCamelCase    :    int 	=			(key_size, e_a, e_a, p)
	__lowerCamelCase    :    str 	=			(key_size, d)

	return public_key, private_key






def        SCREAMING_SNAKE_CASE__	(  lowerCamelCase__     ,			lowerCamelCase__      )  ->					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()

	__lowerCamelCase	,			__lowerCamelCase    :    List[Any] 	=			generate_key(lowerCamelCase__      )
	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'     ,			2_0_4_8      )
	print('Key files generation successful'      )


if __name__ == "__main__":
					main()




