
'''simple docstring'''







import os
import random
import sys

from . import cryptomath_module as cryptomath
from . import rabin_miller

_lowercase :  str    							=       3
def 					snake_case_		(				__SCREAMING_SNAKE_CASE					: int							):



						"""simple docstring"""





						print('''Generating primitive root of p'''							)
						while True:
												lowercase_	:     Tuple													=       random.randrange(3      ,      __SCREAMING_SNAKE_CASE							)
												if pow(__SCREAMING_SNAKE_CASE      ,      2      ,      __SCREAMING_SNAKE_CASE							) == 1:
																		continue
												if pow(__SCREAMING_SNAKE_CASE      ,      __SCREAMING_SNAKE_CASE      ,      __SCREAMING_SNAKE_CASE							) == 1:
																		continue
												return g
def 					snake_case_		(				__SCREAMING_SNAKE_CASE					: int							):



						"""simple docstring"""





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

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

						return public_key, private_key
def 					snake_case_		(				__SCREAMING_SNAKE_CASE					: str      ,      __SCREAMING_SNAKE_CASE					: int							):



						"""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()

						lowercase_						, lowercase_	:     Optional[Any]													=       generate_key(__SCREAMING_SNAKE_CASE							)
						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 					snake_case_		(				):



						"""simple docstring"""





						print('''Making key files...'''							)
						make_key_files('''elgamal'''      ,      2048							)
						print('''Key files generation successful'''							)


if __name__ == "__main__":
							main()





'''simple docstring'''







from __future__ import annotations

from collections import Counter
from random import random






class  lowerCAmelCase__   :






					def __init__(   self		):


											"""simple docstring"""





											lowercase_	:     int													=       {}






					def 	_snake_case    (   self				,							__SCREAMING_SNAKE_CASE		):


											"""simple docstring"""





											lowercase_	:     Dict													=       {}






					def 	_snake_case    (   self				,							__SCREAMING_SNAKE_CASE				,							__SCREAMING_SNAKE_CASE				,							__SCREAMING_SNAKE_CASE		):


											"""simple docstring"""





											if nodea not in self.connections:
																	self.add_node(__SCREAMING_SNAKE_CASE		)
											if nodea not in self.connections:
																	self.add_node(__SCREAMING_SNAKE_CASE		)
											lowercase_	:     Optional[Any]													=       probability






					def 	_snake_case    (   self		):


											"""simple docstring"""





											return list(self.connections		)






					def 	_snake_case    (   self				,							__SCREAMING_SNAKE_CASE		):


											"""simple docstring"""





											lowercase_	:     Any													=       0
											lowercase_	:     Tuple													=       random()

											for dest in self.connections[node]:
																	current_probability += self.connections[node][dest]
																	if current_probability > random_value:
																							return dest
											return ""







def 					snake_case_		(				__SCREAMING_SNAKE_CASE					: str      ,      __SCREAMING_SNAKE_CASE					: list[tuple[str, str, float]]      ,      __SCREAMING_SNAKE_CASE					: int							):



						"""simple docstring"""





						lowercase_	:     List[Any]													=       MarkovChainGraphUndirectedUnweighted()

						for nodea, nodea, probability in transitions:
												graph.add_transition_probability(__SCREAMING_SNAKE_CASE      ,      __SCREAMING_SNAKE_CASE      ,      __SCREAMING_SNAKE_CASE							)

						lowercase_	:     str													=       Counter(graph.get_nodes()							)
						lowercase_	:     Any													=       start

						for _ in range(__SCREAMING_SNAKE_CASE							):
												lowercase_	:     int													=       graph.transition(__SCREAMING_SNAKE_CASE							)
												visited[node] += 1

						return visited


if __name__ == "__main__":
							import doctest

							doctest.testmod()



