code: import os
  import sys
  
  from . import rsa_key_generator as rkg
  
  UpperCAmelCase					=				1_28
  UpperCAmelCase					=				2_56
  
  
  def SCREAMING_SNAKE_CASE				(     lowercase_:	List[str]		,						lowercase_:	Union[str, Any] = DEFAULT_BLOCK_SIZE				):
         _UpperCamelCase     :       Optional[Any]  						=  message.encode('ascii'				)
  
         _UpperCamelCase     :       List[Any]  						=  []
         for block_start in range(0		,						len(snake_case__				)		,						snake_case__				):
                _UpperCamelCase     :       Dict  						=  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				(     lowercase_:	str		,						lowercase_:	Tuple		,						lowercase_:	Tuple = DEFAULT_BLOCK_SIZE				):
         _UpperCamelCase     :       Optional[int]  						=  []
         for block_int in block_ints:
                _UpperCamelCase     :       str  						=  []
                for i in range(block_size - 1		,						-1		,						-1				):
                       if len(snake_case__				) + i < message_length:
                              _UpperCamelCase     :       Union[str, Any]  						=  block_int // (BYTE_SIZE**i)
                              _UpperCamelCase     :       Optional[int]  						=  block_int % (BYTE_SIZE**i)
                              block_message.insert(0		,						chr(snake_case__				)				)
                message.extend(snake_case__				)
         return "".join(snake_case__				)
  
  
  def SCREAMING_SNAKE_CASE				(     lowercase_:	int		,						lowercase_:	Tuple		,						lowercase_:	str = DEFAULT_BLOCK_SIZE				):
         _UpperCamelCase     :       Any  						=  []
         _UpperCamelCase						,      _UpperCamelCase     :       int  						=  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				(     lowercase_:	str		,						lowercase_:	List[Any]		,						lowercase_:	int		,						lowercase_:	List[str] = DEFAULT_BLOCK_SIZE		,						):
         _UpperCamelCase     :       Dict  						=  []
         _UpperCamelCase						,      _UpperCamelCase     :       int  						=  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				(     lowercase_:	Union[str, Any]				):
         with open(snake_case__				) as fo:
                _UpperCamelCase     :       Union[str, Any]  						=  fo.read()
         _UpperCamelCase						,      _UpperCamelCase						,      _UpperCamelCase     :       int  						=  content.split(','				)
         return (int(snake_case__				), int(snake_case__				), int(snake_case__				))
  
  
  def SCREAMING_SNAKE_CASE				(     lowercase_:	str		,						lowercase_:	Tuple		,						lowercase_:	Dict		,						lowercase_:	Dict = DEFAULT_BLOCK_SIZE		,						):
         _UpperCamelCase						,      _UpperCamelCase						,      _UpperCamelCase     :       Optional[Any]  						=  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     :       List[Any]  						=  [str(snake_case__				) for i in encrypt_message(snake_case__		,						(n, e)		,						snake_case__				)]
  
         _UpperCamelCase     :       List[str]  						=  ','.join(snake_case__				)
         _UpperCamelCase     :       Dict  						=  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				(     lowercase_:	int		,						lowercase_:	Union[str, Any]				):
         _UpperCamelCase						,      _UpperCamelCase						,      _UpperCamelCase     :       Dict  						=  read_key_file(snake_case__				)
         with open(snake_case__				) as fo:
                _UpperCamelCase     :       Any  						=  fo.read()
         _UpperCamelCase						,      _UpperCamelCase						,      _UpperCamelCase     :       List[Any]  						=  content.split('_'				)
         _UpperCamelCase     :       Tuple  						=  int(snake_case__				)
         _UpperCamelCase     :       Union[str, Any]  						=  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     :       Optional[int]  						=  []
         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				(     ):
         _UpperCamelCase     :       str  						=  'encrypted_file.txt'
         _UpperCamelCase     :       Optional[Any]  						=  input(R'Encrypt\Decrypt [e\d]: '				)
  
         if response.lower().startswith('e'				):
                _UpperCamelCase     :       List[str]  						=  'encrypt'
         elif response.lower().startswith('d'				):
                _UpperCamelCase     :       Union[str, Any]  						=  'decrypt'
  
         if mode == "encrypt":
                if not os.path.exists('rsa_pubkey.txt'				):
                       rkg.make_key_files('rsa'		,						1024				)
  
                _UpperCamelCase     :       Union[str, Any]  						=  input('\nEnter message: '				)
                _UpperCamelCase     :       Tuple  						=  'rsa_pubkey.txt'
                print(F"Encrypting and writing to {filename}..."				)
                _UpperCamelCase     :       Optional[Any]  						=  encrypt_and_write_to_file(snake_case__		,						snake_case__		,						snake_case__				)
  
                print('\nEncrypted text:'				)
                print(snake_case__				)
  
         elif mode == "decrypt":
                _UpperCamelCase     :       List[str]  						=  'rsa_privkey.txt'
                print(F"Reading from {filename} and decrypting..."				)
                _UpperCamelCase     :       Union[str, Any]  						=  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()
  
  
  
  
style_context: UpperCAmelCase					=				[chr(i) for i in range(32, 1_26)]
  UpperCAmelCase					=				list(range(len(alphabets)))
  UpperCAmelCase					=				list(range(len(alphabets)))
  UpperCAmelCase					=				list(range(len(alphabets)))
  UpperCAmelCase					=				list(reversed(range(len(alphabets))))
  UpperCAmelCase					=				[]
  UpperCAmelCase					=				UpperCAmelCase					=				UpperCAmelCase					=				0
  
  
  def SCREAMING_SNAKE_CASE				(     ):
         global gear_one_pos
         global gear_two_pos
         global gear_three_pos
         _UpperCamelCase     :       Any  						=  gear_one[0]
         gear_one.append(lowercase_				)
         del gear_one[0]
         gear_one_pos += 1
         if gear_one_pos % int(len(lowercase_				)				) == 0:
                _UpperCamelCase     :       str  						=  gear_two[0]
                gear_two.append(lowercase_				)
                del gear_two[0]
                gear_two_pos += 1
                if gear_two_pos % int(len(lowercase_				)				) == 0:
                       _UpperCamelCase     :       int  						=  gear_three[0]
                       gear_three.append(lowercase_				)
                       del gear_three[0]
                       gear_three_pos += 1
  
  
  def SCREAMING_SNAKE_CASE				(     lowercase_:	List[Any]				):
         _UpperCamelCase     :       Dict  						=  alphabets.index(lowercase_				)
         _UpperCamelCase     :       Union[str, Any]  						=  gear_one[target]
         _UpperCamelCase     :       Any  						=  gear_two[target]
         _UpperCamelCase     :       Tuple  						=  gear_three[target]
         _UpperCamelCase     :       Tuple  						=  reflector[target]
         _UpperCamelCase     :       Any  						=  gear_three.index(lowercase_				)
         _UpperCamelCase     :       Any  						=  gear_two.index(lowercase_				)
         _UpperCamelCase     :       str  						=  gear_one.index(lowercase_				)
         code.append(alphabets[target]				)
         rotator()
  
  
  if __name__ == "__main__":
   UpperCAmelCase					=				list(input('''Type your message:\n'''))
   while True:
    try:
     UpperCAmelCase					=				int(input('''Please set token:(must be only digits)\n'''))
     break
    except Exception as error:
     print(error)
   for _ in range(token):
    rotator()
   for j in decode:
    engine(j)
   print('''\n''' + ''''''.join(code))
   print(
       f'''\nYour Token is {token} please write it down.\nIf you want to decode '''
       '''this message again you should input same digits as token!'''
   )
  
  
  
  