






'''simple docstring'''




import os
import sys

from . import rsa_key_generator as rkg

__SCREAMING_SNAKE_CASE :  Tuple  =						128
__SCREAMING_SNAKE_CASE :  Dict  =						256

def 			UpperCamelCase_							(      _UpperCAmelCase						:   str    ,			_UpperCAmelCase						:   int = DEFAULT_BLOCK_SIZE					)					->					list[int]:


       """simple docstring"""







       _UpperCAmelCase  :						List[Any]							   =					message.encode("ascii"					)

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

def 			UpperCamelCase_							(      _UpperCAmelCase						:   list[int]    ,			_UpperCAmelCase						:   int    ,			_UpperCAmelCase						:   int = DEFAULT_BLOCK_SIZE					)					->					str:


       """simple docstring"""







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

def 			UpperCamelCase_							(      _UpperCAmelCase						:   str    ,			_UpperCAmelCase						:   tuple[int, int]    ,			_UpperCAmelCase						:   int = DEFAULT_BLOCK_SIZE					)					->					list[int]:


       """simple docstring"""







       _UpperCAmelCase  :						Any							   =					[]
       _UpperCAmelCase  :						Dict							   =					key

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

def 			UpperCamelCase_							(      _UpperCAmelCase						:   list[int]    ,			_UpperCAmelCase						:   int    ,			_UpperCAmelCase						:   tuple[int, int]    ,			_UpperCAmelCase						:   int = DEFAULT_BLOCK_SIZE    ,			)					->					str:


       """simple docstring"""







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

def 			UpperCamelCase_							(      _UpperCAmelCase						:   str					)					->					tuple[int, int, int]:


       """simple docstring"""







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

def 			UpperCamelCase_							(      _UpperCAmelCase						:   str    ,			_UpperCAmelCase						:   str    ,			_UpperCAmelCase						:   str    ,			_UpperCAmelCase						:   int = DEFAULT_BLOCK_SIZE    ,			)					->					str:


       """simple docstring"""







       _UpperCAmelCase  :						Optional[int]							   =					read_key_file(_UpperCAmelCase					)
       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    ,			_UpperCAmelCase					)					)

       _UpperCAmelCase  :						Optional[int]							   =					[str(_UpperCAmelCase					) for i in encrypt_message(_UpperCAmelCase    ,			(n, e)    ,			_UpperCAmelCase					)]

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

def 			UpperCamelCase_							(      _UpperCAmelCase						:   str    ,			_UpperCAmelCase						:   str					)					->					str:


       """simple docstring"""







       _UpperCAmelCase  :						Optional[Any]							   =					read_key_file(_UpperCAmelCase					)
       with open(_UpperCAmelCase					) as fo:
              _UpperCAmelCase  :						Optional[Any]							   =					fo.read()
       _UpperCAmelCase  :						str							   =					content.split("_"					)
       _UpperCAmelCase  :						Any							   =					int(_UpperCAmelCase					)
       _UpperCAmelCase  :						str							   =					int(_UpperCAmelCase					)

       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    ,			_UpperCAmelCase					)					)

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

       return decrypt_message(_UpperCAmelCase    ,			_UpperCAmelCase    ,			(n, d)    ,			_UpperCAmelCase					)

def 			UpperCamelCase_							(      )					->					None:


       """simple docstring"""







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

       if response.lower().startswith("e"					):
              _UpperCAmelCase  :						Union[str, Any]							   =					"encrypt"
       elif response.lower().startswith("d"					):
              _UpperCAmelCase  :						str							   =					"decrypt"

       if mode == "encrypt":
              if not os.path.exists("rsa_pubkey.txt"					):
                     rkg.make_key_files("rsa"    ,			1_024					)

              _UpperCAmelCase  :						Optional[int]							   =					input("\nEnter message: "					)
              _UpperCAmelCase  :						int							   =					"rsa_pubkey.txt"
              print(F"""Encrypting and writing to {filename}..."""					)
              _UpperCAmelCase  :						Union[str, Any]							   =					encrypt_and_write_to_file(_UpperCAmelCase    ,			_UpperCAmelCase    ,			_UpperCAmelCase					)

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

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

              print("\nDecryption:"					)
              print(_UpperCAmelCase					)


if __name__ == "__main__":
  main()


'''simple docstring'''




import pytest

from datasets.utils.version import Version

@pytest.mark.parametrize(
    "other, expected_equality"    ,			[
        (Version("1.0.0"					), True),
        ("1.0.0", True),
        (Version("2.0.0"					), False),
        ("2.0.0", False),
        ("1", False),
        ("a", False),
        (1, False),
        (None, False),
    ]    ,			)
def 			UpperCamelCase_							(      _UpperCAmelCase						:   Tuple    ,			_UpperCAmelCase						:   List[Any]					)					->					int:


       """simple docstring"""







       _UpperCAmelCase  :						Union[str, Any]							   =					Version("1.0.0"					)
       assert (version == other) is expected_equality
       assert (version != other) is not expected_equality
       assert (hash(_UpperCAmelCase					) == hash(_UpperCAmelCase					)) is expected_equality

