
'''simple docstring'''



import os
import sys

from . import rsa_key_generator as rkg

UpperCamelCase__					:						str											=     128
UpperCamelCase__					:						Optional[Any]											=     256
def       lowerCAmelCase_		( SCREAMING_SNAKE_CASE_			,					SCREAMING_SNAKE_CASE_ = DEFAULT_BLOCK_SIZE  )   ->   Union[str, Any]:




   """simple docstring"""
   _SCREAMING_SNAKE_CASE          = message.encode("""ascii"""  )

   _SCREAMING_SNAKE_CASE          = []
   for block_start in range(0			,					len(lowerCamelCase_  )			,					lowerCamelCase_  ):
      _SCREAMING_SNAKE_CASE          = 0
      for i in range(lowerCamelCase_			,					min(block_start + block_size			,					len(lowerCamelCase_  )  )  ):
         block_int += message_bytes[i] * (BYTE_SIZE ** (i % block_size))
      block_ints.append(lowerCamelCase_  )
   return block_ints
def       lowerCAmelCase_		( SCREAMING_SNAKE_CASE_			,					SCREAMING_SNAKE_CASE_			,					SCREAMING_SNAKE_CASE_ = DEFAULT_BLOCK_SIZE  )   ->   Optional[int]:




   """simple docstring"""
   _SCREAMING_SNAKE_CASE          = []
   for block_int in block_ints:
      _SCREAMING_SNAKE_CASE          = []
      for i in range(block_size - 1			,					-1			,					-1  ):
         if len(lowerCamelCase_  ) + i < message_length:
            _SCREAMING_SNAKE_CASE          = block_int // (BYTE_SIZE**i)
            _SCREAMING_SNAKE_CASE          = block_int % (BYTE_SIZE**i)
            block_message.insert(0			,					chr(lowerCamelCase_  )  )
      message.extend(lowerCamelCase_  )
   return "".join(lowerCamelCase_  )
def       lowerCAmelCase_		( SCREAMING_SNAKE_CASE_			,					SCREAMING_SNAKE_CASE_			,					SCREAMING_SNAKE_CASE_ = DEFAULT_BLOCK_SIZE  )   ->   str:




   """simple docstring"""
   _SCREAMING_SNAKE_CASE          = []
   _SCREAMING_SNAKE_CASE          = key

   for block in get_blocks_from_text(lowerCamelCase_			,					lowerCamelCase_  ):
      encrypted_blocks.append(pow(lowerCamelCase_			,					lowerCamelCase_			,					lowerCamelCase_  )  )
   return encrypted_blocks
def       lowerCAmelCase_		( SCREAMING_SNAKE_CASE_			,					SCREAMING_SNAKE_CASE_			,					SCREAMING_SNAKE_CASE_			,					SCREAMING_SNAKE_CASE_ = DEFAULT_BLOCK_SIZE			,					)   ->   Optional[Any]:




   """simple docstring"""
   _SCREAMING_SNAKE_CASE          = []
   _SCREAMING_SNAKE_CASE          = key
   for block in encrypted_blocks:
      decrypted_blocks.append(pow(lowerCamelCase_			,					lowerCamelCase_			,					lowerCamelCase_  )  )
   return get_text_from_blocks(lowerCamelCase_			,					lowerCamelCase_			,					lowerCamelCase_  )
def       lowerCAmelCase_		( SCREAMING_SNAKE_CASE_  )   ->   Optional[Any]:




   """simple docstring"""





   with open(lowerCamelCase_  ) as fo:
      _SCREAMING_SNAKE_CASE          = fo.read()
   _SCREAMING_SNAKE_CASE          = content.split(""","""  )
   return (int(lowerCamelCase_  ), int(lowerCamelCase_  ), int(lowerCamelCase_  ))
def       lowerCAmelCase_		( SCREAMING_SNAKE_CASE_			,					SCREAMING_SNAKE_CASE_			,					SCREAMING_SNAKE_CASE_			,					SCREAMING_SNAKE_CASE_ = DEFAULT_BLOCK_SIZE			,					)   ->   Optional[Any]:




   """simple docstring"""
   _SCREAMING_SNAKE_CASE          = read_key_file(lowerCamelCase_  )
   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			,					lowerCamelCase_  )  )

   _SCREAMING_SNAKE_CASE          = [str(lowerCamelCase_  ) for i in encrypt_message(lowerCamelCase_			,					(n, e)			,					lowerCamelCase_  )]

   _SCREAMING_SNAKE_CASE          = ','.join(lowerCamelCase_  )
   _SCREAMING_SNAKE_CASE          = F"{len(lowerCamelCase_  )}_{block_size}_{encrypted_content}"
   with open(lowerCamelCase_			,					"""w"""  ) as fo:
      fo.write(lowerCamelCase_  )
   return encrypted_content
def       lowerCAmelCase_		( SCREAMING_SNAKE_CASE_			,					SCREAMING_SNAKE_CASE_  )   ->   Optional[int]:




   """simple docstring"""
   _SCREAMING_SNAKE_CASE          = read_key_file(lowerCamelCase_  )
   with open(lowerCamelCase_  ) as fo:
      _SCREAMING_SNAKE_CASE          = fo.read()
   _SCREAMING_SNAKE_CASE          = content.split("""_"""  )
   _SCREAMING_SNAKE_CASE          = int(lowerCamelCase_  )
   _SCREAMING_SNAKE_CASE          = int(lowerCamelCase_  )

   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			,					lowerCamelCase_  )  )

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

   return decrypt_message(lowerCamelCase_			,					lowerCamelCase_			,					(n, d)			,					lowerCamelCase_  )
def       lowerCAmelCase_		( )   ->   Tuple:




   """simple docstring"""
   _SCREAMING_SNAKE_CASE          = 'encrypted_file.txt'
   _SCREAMING_SNAKE_CASE          = input(r"""Encrypt\Decrypt [e\d]: """  )

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

   if mode == "encrypt":
      if not os.path.exists("""rsa_pubkey.txt"""  ):
         rkg.make_key_files("""rsa"""			,					10_24  )

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

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

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

      print("""\nDecryption:"""  )
      print(lowerCamelCase_  )


if __name__ == "__main__":
     main()







'''simple docstring'''


from typing import TYPE_CHECKING

from ...utils import OptionalDependencyNotAvailable, _LazyModule, is_torch_available


snake_case__     :			Optional[Any]      			=  {'''configuration_nat''': ['''NAT_PRETRAINED_CONFIG_ARCHIVE_MAP''', '''NatConfig''']}


try:
 if not is_torch_available():
  raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
 pass
else:
 snake_case__     :			Tuple      			=  [
     '''NAT_PRETRAINED_MODEL_ARCHIVE_LIST''',
     '''NatForImageClassification''',
     '''NatModel''',
     '''NatPreTrainedModel''',
     '''NatBackbone''',
 ]

if TYPE_CHECKING:
 from .configuration_nat import NAT_PRETRAINED_CONFIG_ARCHIVE_MAP, NatConfig

 try:
  if not is_torch_available():
   raise OptionalDependencyNotAvailable()
 except OptionalDependencyNotAvailable:
  pass
 else:
  from .modeling_nat import (
      NAT_PRETRAINED_MODEL_ARCHIVE_LIST,
      NatBackbone,
      NatForImageClassification,
      NatModel,
      NatPreTrainedModel,
  )

else:
 import sys

 snake_case__     :			int      			=  _LazyModule(__name__, globals()['''__file__'''], _import_structure, module_spec=__spec__)






