






'''simple docstring'''




def       __UpperCAmelCase						(  lowerCamelCase_)							->     Any:
		UpperCamelCase__				:					Optional[Any]					=					len(lowerCamelCase_)
		UpperCamelCase__				:					Optional[Any]					=					sum(lowerCamelCase_)

		UpperCamelCase__				:					Optional[Any]					=					[[False for x in range(s + 1)] for y in range(n + 1)]

		for i in range(1     ,      n + 1):
				UpperCamelCase__				:					List[str]					=					True

		for i in range(1     ,      s + 1):
				UpperCamelCase__				:					Any					=					False

		for i in range(1     ,      n + 1):
				for j in range(1     ,      s + 1):
						UpperCamelCase__				:					str					=					dp[i][j - 1]

						if arr[i - 1] <= j:
								UpperCamelCase__				:					Any					=					dp[i][j] or dp[i - 1][j - arr[i - 1]]

		for j in range(int(s / 2)     ,      -1     ,      -1):
				if dp[n][j] is True:
						UpperCamelCase__				:					Any					=					s - 2 * j
						break

		return diff












'''simple docstring'''




import os
import random
import sys

from . import cryptomath_module as cryptomath
from . import rabin_miller

lowerCAmelCase__          =						3







def       __UpperCAmelCase						(  lowerCamelCase_)							->     int:
		print('Generating primitive root of p')
		while True:
				UpperCamelCase__				:					Any					=					random.randrange(3     ,      lowerCamelCase_)
				if pow(lowerCamelCase_     ,      2     ,      lowerCamelCase_) == 1:
						continue
				if pow(lowerCamelCase_     ,      lowerCamelCase_     ,      lowerCamelCase_) == 1:
						continue
				return g







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

		UpperCamelCase__				:					List[Any]					=					(key_size, e_a, e_a, p)
		UpperCamelCase__				:					Optional[Any]					=					(key_size, d)

		return public_key, private_key







def       __UpperCAmelCase						(  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()

		UpperCamelCase__,	UpperCamelCase__				:					Union[str, 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       __UpperCAmelCase						(  )							->     None:
		print('Making key files...')
		make_key_files('elgamal'     ,      2_048)
		print('Key files generation successful')


if __name__ == "__main__":
		main()




