




import os
import sys

from . import rsa_key_generator as rkg

lowercase_      :							Optional[Any]    							=					1_28
lowercase_      :							Tuple    							=					2_56


def 				__SCREAMING_SNAKE_CASE    (     snake_case_      ,       snake_case_ = DEFAULT_BLOCK_SIZE		):

						'''simple docstring'''


						_UpperCAmelCase						=	message.encode("ascii"		)

						_UpperCAmelCase						=	[]
						for block_start in range(0      ,       len(snake_case_		)      ,       snake_case_		):
												_UpperCAmelCase						=	0
												for i in range(snake_case_      ,       min(block_start + block_size      ,       len(snake_case_		)		)		):
																		block_int += message_bytes[i] * (BYTE_SIZE ** (i % block_size))
												block_ints.append(snake_case_		)
						return block_ints


def 				__SCREAMING_SNAKE_CASE    (     snake_case_      ,       snake_case_      ,       snake_case_ = DEFAULT_BLOCK_SIZE		):

						'''simple docstring'''


						_UpperCAmelCase						=	[]
						for block_int in block_ints:
												_UpperCAmelCase						=	[]
												for i in range(block_size - 1      ,       -1      ,       -1		):
																		if len(snake_case_		) + i < message_length:
																								_UpperCAmelCase						=	block_int // (BYTE_SIZE**i)
																								_UpperCAmelCase						=	block_int % (BYTE_SIZE**i)
																								block_message.insert(0      ,       chr(snake_case_		)		)
												message.extend(snake_case_		)
						return "".join(snake_case_		)


def 				__SCREAMING_SNAKE_CASE    (     snake_case_      ,       snake_case_      ,       snake_case_ = DEFAULT_BLOCK_SIZE		):

						'''simple docstring'''


						_UpperCAmelCase						=	[]
						_UpperCAmelCase				,					_UpperCAmelCase						=	key

						for block in get_blocks_from_text(snake_case_      ,       snake_case_		):
												encrypted_blocks.append(pow(snake_case_      ,       snake_case_      ,       snake_case_		)		)
						return encrypted_blocks


def 				__SCREAMING_SNAKE_CASE    (     snake_case_      ,       snake_case_      ,       snake_case_      ,       snake_case_ = DEFAULT_BLOCK_SIZE      ,       ):

						'''simple docstring'''


						_UpperCAmelCase						=	[]
						_UpperCAmelCase				,					_UpperCAmelCase						=	key
						for block in encrypted_blocks:
												decrypted_blocks.append(pow(snake_case_      ,       snake_case_      ,       snake_case_		)		)
						return get_text_from_blocks(snake_case_      ,       snake_case_      ,       snake_case_		)


def 				__SCREAMING_SNAKE_CASE    (     snake_case_		):

						'''simple docstring'''


						with open(snake_case_		) as fo:
												_UpperCAmelCase						=	fo.read()
						_UpperCAmelCase				,					_UpperCAmelCase				,					_UpperCAmelCase						=	content.split(","		)
						return (int(snake_case_		), int(snake_case_		), int(snake_case_		))


def 				__SCREAMING_SNAKE_CASE    (     snake_case_      ,       snake_case_      ,       snake_case_      ,       snake_case_ = DEFAULT_BLOCK_SIZE      ,       ):

						'''simple docstring'''


						_UpperCAmelCase				,					_UpperCAmelCase				,					_UpperCAmelCase						=	read_key_file(snake_case_		)
						if key_size < block_size * 8:
												sys.exit(
												    "ERROR: Block size is {} bits and key size is {} bits. The RSA cipher "
												    "requires the block size to be equal to or greater than the key size. "
												    "Either decrease the block size or use different keys.".format(
												        block_size * 8      ,       snake_case_		)		)

						_UpperCAmelCase						=	[str(snake_case_		) for i in encrypt_message(snake_case_      ,       (n, e)      ,       snake_case_		)]

						_UpperCAmelCase						=	",".join(snake_case_		)
						_UpperCAmelCase						=	f"""{len(snake_case_		)}_{block_size}_{encrypted_content}"""
						with open(snake_case_      ,       "w"		) as fo:
												fo.write(snake_case_		)
						return encrypted_content


def 				__SCREAMING_SNAKE_CASE    (     snake_case_      ,       snake_case_		):

						'''simple docstring'''


						_UpperCAmelCase				,					_UpperCAmelCase				,					_UpperCAmelCase						=	read_key_file(snake_case_		)
						with open(snake_case_		) as fo:
												_UpperCAmelCase						=	fo.read()
						_UpperCAmelCase				,					_UpperCAmelCase				,					_UpperCAmelCase						=	content.split("_"		)
						_UpperCAmelCase						=	int(snake_case_		)
						_UpperCAmelCase						=	int(snake_case_		)

						if key_size < block_size * 8:
												sys.exit(
												    "ERROR: Block size is {} bits and key size is {} bits. The RSA cipher "
												    "requires the block size to be equal to or greater than the key size. "
												    "Did you specify the correct key file and encrypted file?".format(
												        block_size * 8      ,       snake_case_		)		)

						_UpperCAmelCase						=	[]
						for block in encrypted_message.split(","		):
												encrypted_blocks.append(int(snake_case_		)		)

						return decrypt_message(snake_case_      ,       snake_case_      ,       (n, d)      ,       snake_case_		)


def 				__SCREAMING_SNAKE_CASE    (     ):

						'''simple docstring'''


						_UpperCAmelCase						=	"encrypted_file.txt"
						_UpperCAmelCase						=	input(R"Encrypt\Decrypt [e\d]: "		)

						if response.lower().startswith("e"		):
												_UpperCAmelCase						=	"encrypt"
						elif response.lower().startswith("d"		):
												_UpperCAmelCase						=	"decrypt"

						if mode == "encrypt":
												if not os.path.exists("rsa_pubkey.txt"		):
																		rkg.make_key_files("rsa"      ,       1024		)

												_UpperCAmelCase						=	input("\nEnter message: "		)
												_UpperCAmelCase						=	"rsa_pubkey.txt"
												print(f"""Encrypting and writing to {filename}..."""		)
												_UpperCAmelCase						=	encrypt_and_write_to_file(snake_case_      ,       snake_case_      ,       snake_case_		)

												print("\nEncrypted text:"		)
												print(snake_case_		)

						elif mode == "decrypt":
												_UpperCAmelCase						=	"rsa_privkey.txt"
												print(f"""Reading from {filename} and decrypting..."""		)
												_UpperCAmelCase						=	read_from_file_and_decrypt(snake_case_      ,       snake_case_		)
												print("writing decryption to rsa_decryption.txt..."		)
												with open("rsa_decryption.txt"      ,       "w"		) as dec:
																		dec.write(snake_case_		)

												print("\nDecryption:"		)
												print(snake_case_		)


if __name__ == "__main__":
				main()










import math
from itertools import permutations


def 				__SCREAMING_SNAKE_CASE    (     snake_case_		):

						'''simple docstring'''


						if 1 < number < 4:
												# 2 and 3 are primes
												return True
						elif number < 2 or number % 2 == 0 or number % 3 == 0:
												# Negatives, 0, 1, all even numbers, all multiples of 3 are not primes
												return False

						# All primes number are in format of 6k +/- 1
						for i in range(5      ,       int(math.sqrt(snake_case_		) + 1		)      ,       6		):
												if number % i == 0 or number % (i + 2) == 0:
																		return False
						return True


def 				__SCREAMING_SNAKE_CASE    (     snake_case_      ,       snake_case_		):

						'''simple docstring'''


						_UpperCAmelCase				,					_UpperCAmelCase						=	0, len(snake_case_		) - 1
						while left <= right:
												_UpperCAmelCase						=	(left + right) // 2
												if prime_list[middle] == target:
																		return True
												elif prime_list[middle] < target:
																		_UpperCAmelCase						=	middle + 1
												else:
																		_UpperCAmelCase						=	middle - 1

						return False


def 				__SCREAMING_SNAKE_CASE    (     ):

						'''simple docstring'''


						_UpperCAmelCase						=	[n for n in range(1001      ,       1_0000      ,       2		) if is_prime(snake_case_		)]
						_UpperCAmelCase						=	[]

						for number in prime_list:
												_UpperCAmelCase						=	[]

												for prime_member in permutations(list(str(snake_case_		)		)		):
																		_UpperCAmelCase						=	int("".join(snake_case_		)		)

																		if prime % 2 == 0:
																								continue

																		if search(snake_case_      ,       snake_case_		):
																								tmp_numbers.append(snake_case_		)

												tmp_numbers.sort()
												if len(snake_case_		) >= 3:
																		candidates.append(snake_case_		)

						_UpperCAmelCase						=	[]
						for candidate in candidates:
												_UpperCAmelCase						=	len(snake_case_		)
												_UpperCAmelCase						=	False

												for i in range(snake_case_		):
																		for j in range(i + 1      ,       snake_case_		):
																								for k in range(j + 1      ,       snake_case_		):
																														if (
																														    abs(candidate[i] - candidate[j]		)
																														    == abs(candidate[j] - candidate[k]		)
																														    and len({candidate[i], candidate[j], candidate[k]}		) == 3
																														):
																																				passed.append(
																																				    sorted([candidate[i], candidate[j], candidate[k]]		)		)
																																				_UpperCAmelCase						=	True

																														if found:
																																				break
																								if found:
																														break
																		if found:
																								break

						_UpperCAmelCase						=	set()
						for seq in passed:
												answer.add("".join([str(snake_case_		) for i in seq]		)		)

						return max(int(snake_case_		) for x in answer		)


if __name__ == "__main__":
				print(solution())




