






from itertools import permutations






def    UpperCamelCase__  (   UpperCAmelCase = 5     )     ->		List[str]:







							"""simple docstring"""





							if gon_side < 3 or gon_side > 5:
														raise ValueError('''gon_side must be in the range [3, 5]'''     )

							# Since it's 16, we know 10 is on the outer ring
							# Put the big numbers at the end so that they are never the first number
							_a  :    List[str]			=						list(range(gon_side + 1    ,	0    ,	-1     )     )
							_a  :    Tuple			=						list(range(gon_side + 2    ,	gon_side * 2 + 1     )     )

							for perm in permutations(small_numbers + big_numbers     ):
														_a  :    Tuple			=						generate_gon_ring(_snake_case    ,	list(_snake_case     )     )
														if is_magic_gon(_snake_case     ):
																					return int(''''''.join(str(_snake_case     ) for n in numbers     )     )

							_a  :    Dict			=						F'Magic {gon_side}-gon ring is impossible'
							raise ValueError(_snake_case     )






def    UpperCamelCase__  (   UpperCAmelCase    ,	UpperCAmelCase     )     ->		List[str]:







							"""simple docstring"""





							_a  :    Union[str, Any]			=						[0] * (gon_side * 3)
							_a  :    int			=						perm[0:3]
							perm.append(perm[1]     )

							_a  :    str			=						1 if gon_side < 5 else 2

							for i in range(1    ,	len(_snake_case     ) // 3 + magic_number     ):
														_a  :    Any			=						perm[2 * i + 1]
														_a  :    Any			=						result[3 * i - 1]
														_a  :    str			=						perm[2 * i + 2]

							return result






def    UpperCamelCase__  (   UpperCAmelCase     )     ->		Dict:







							"""simple docstring"""





							if len(_snake_case     ) % 3 != 0:
														raise ValueError('''a gon ring should have a length that is a multiple of 3'''     )

							if min(numbers[::3]     ) != numbers[0]:
														return False

							_a  :    Optional[int]			=						sum(numbers[:3]     )

							return all(sum(numbers[i : i + 3]     ) == total for i in range(3    ,	len(_snake_case     )    ,	3     )     )


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





import os
import sys

from . import rsa_key_generator as rkg

UpperCAmelCase_    =128
UpperCAmelCase_    =256



def    UpperCAmelCase							(  _snake_case    ,			_snake_case = DEFAULT_BLOCK_SIZE				):
							lowerCAmelCase =		message.encode('''ascii'''				)

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



def    UpperCAmelCase							(  _snake_case    ,			_snake_case    ,			_snake_case = DEFAULT_BLOCK_SIZE				):
							lowerCAmelCase =		[]
							lowerCAmelCase ,  lowerCAmelCase =		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    UpperCAmelCase							(  _snake_case    ,			_snake_case    ,			_snake_case    ,			_snake_case = DEFAULT_BLOCK_SIZE    ,			):
							lowerCAmelCase =		[]
							lowerCAmelCase ,  lowerCAmelCase =		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    UpperCAmelCase							(  _snake_case				):
							with open(_snake_case				) as fo:
														lowerCAmelCase =		fo.read()
							lowerCAmelCase ,  lowerCAmelCase ,  lowerCAmelCase =		content.split(''','''				)
							return (int(_snake_case				), int(_snake_case				), int(_snake_case				))



def    UpperCAmelCase							(  _snake_case    ,			_snake_case    ,			_snake_case    ,			_snake_case = DEFAULT_BLOCK_SIZE    ,			):
							lowerCAmelCase ,  lowerCAmelCase ,  lowerCAmelCase =		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				)				)

							lowerCAmelCase =		[str(_snake_case				) for i in encrypt_message(_snake_case    ,			(n, e)    ,			_snake_case				)]

							lowerCAmelCase =		''','''.join(_snake_case				)
							lowerCAmelCase =		F"""{len(_snake_case				)}_{block_size}_{encrypted_content}"""
							with open(_snake_case    ,			'''w'''				) as fo:
														fo.write(_snake_case				)
							return encrypted_content



def    UpperCAmelCase							(  _snake_case    ,			_snake_case				):
							lowerCAmelCase ,  lowerCAmelCase ,  lowerCAmelCase =		read_key_file(_snake_case				)
							with open(_snake_case				) as fo:
														lowerCAmelCase =		fo.read()
							lowerCAmelCase ,  lowerCAmelCase ,  lowerCAmelCase =		content.split('''_'''				)
							lowerCAmelCase =		int(_snake_case				)
							lowerCAmelCase =		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				)				)

							lowerCAmelCase =		[]
							for block in encrypted_message.split(''','''				):
														encrypted_blocks.append(int(_snake_case				)				)

							return decrypt_message(_snake_case    ,			_snake_case    ,			(n, d)    ,			_snake_case				)



def    UpperCAmelCase							(  ):
							lowerCAmelCase =		'''encrypted_file.txt'''
							lowerCAmelCase =		input(R'''Encrypt\Decrypt [e\d]: '''				)

							if response.lower().startswith('''e'''				):
														lowerCAmelCase =		'''encrypt'''
							elif response.lower().startswith('''d'''				):
														lowerCAmelCase =		'''decrypt'''

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

														lowerCAmelCase =		input('''\nEnter message: '''				)
														lowerCAmelCase =		'''rsa_pubkey.txt'''
														print(F"""Encrypting and writing to {filename}..."""				)
														lowerCAmelCase =		encrypt_and_write_to_file(_snake_case    ,			_snake_case    ,			_snake_case				)

														print('''\nEncrypted text:'''				)
														print(_snake_case				)

							elif mode == "decrypt":
														lowerCAmelCase =		'''rsa_privkey.txt'''
														print(F"""Reading from {filename} and decrypting..."""				)
														lowerCAmelCase =		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()



