





import os
import sys

from . import rsa_key_generator as rkg

UpperCAmelCase_       : List[Any]							=    1_28
UpperCAmelCase_       : str							=    2_56






def 				_lowerCAmelCase			(	_a :       str       , _a :       int = DEFAULT_BLOCK_SIZE      )						->      list[int]:
     lowerCAmelCase_       :							List[str]			 =		message.encode("""ascii"""      )

     lowerCAmelCase_       :							Union[str, Any]			 =		[]
     for block_start in range(0       , len(_a      )       , _a      ):
          lowerCAmelCase_       :							List[str]			 =		0
          for i in range(_a       , min(block_start + block_size       , len(_a      )      )      ):
               block_int += message_bytes[i] * (BYTE_SIZE ** (i % block_size))
          block_ints.append(_a      )
     return block_ints






def 				_lowerCAmelCase			(	_a :       list[int]       , _a :       int       , _a :       int = DEFAULT_BLOCK_SIZE      )						->      str:
     lowerCAmelCase_       :							list[str]			 =		[]
     for block_int in block_ints:
          lowerCAmelCase_       :							list[str]			 =		[]
          for i in range(block_size - 1       , -1       , -1      ):
               if len(_a      ) + i < message_length:
                    lowerCAmelCase_       :							Tuple			 =		block_int // (BYTE_SIZE**i)
                    lowerCAmelCase_       :							List[str]			 =		block_int % (BYTE_SIZE**i)
                    block_message.insert(0       , chr(_a      )      )
          message.extend(_a      )
     return "".join(_a      )






def 				_lowerCAmelCase			(	_a :       str       , _a :       tuple[int, int]       , _a :       int = DEFAULT_BLOCK_SIZE      )						->      list[int]:
     lowerCAmelCase_       :							Tuple			 =		[]
     lowerCAmelCase_ ,	lowerCAmelCase_       :							str			 =		key

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






def 				_lowerCAmelCase			(	_a :       list[int]       , _a :       int       , _a :       tuple[int, int]       , _a :       int = DEFAULT_BLOCK_SIZE       , )						->      str:
     lowerCAmelCase_       :							str			 =		[]
     lowerCAmelCase_ ,	lowerCAmelCase_       :							Optional[int]			 =		key
     for block in encrypted_blocks:
          decrypted_blocks.append(pow(_a       , _a       , _a      )      )
     return get_text_from_blocks(_a       , _a       , _a      )






def 				_lowerCAmelCase			(	_a :       str      )						->      tuple[int, int, int]:
     with open(_a      ) as fo:
          lowerCAmelCase_       :							Union[str, Any]			 =		fo.read()
     lowerCAmelCase_ ,	lowerCAmelCase_ ,	lowerCAmelCase_       :							Tuple			 =		content.split(""","""      )
     return (int(_a      ), int(_a      ), int(_a      ))






def 				_lowerCAmelCase			(	_a :       str       , _a :       str       , _a :       str       , _a :       int = DEFAULT_BLOCK_SIZE       , )						->      str:
     lowerCAmelCase_ ,	lowerCAmelCase_ ,	lowerCAmelCase_       :							Tuple			 =		read_key_file(_a      )
     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       , _a      )      )

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

     lowerCAmelCase_       :							Dict			 =		""",""".join(_a      )
     lowerCAmelCase_       :							Any			 =		F'{len(_a      )}_{block_size}_{encrypted_content}'
     with open(_a       , """w"""      ) as fo:
          fo.write(_a      )
     return encrypted_content






def 				_lowerCAmelCase			(	_a :       str       , _a :       str      )						->      str:
     lowerCAmelCase_ ,	lowerCAmelCase_ ,	lowerCAmelCase_       :							Union[str, Any]			 =		read_key_file(_a      )
     with open(_a      ) as fo:
          lowerCAmelCase_       :							List[str]			 =		fo.read()
     lowerCAmelCase_ ,	lowerCAmelCase_ ,	lowerCAmelCase_       :							List[str]			 =		content.split("""_"""      )
     lowerCAmelCase_       :							List[Any]			 =		int(_a      )
     lowerCAmelCase_       :							Union[str, Any]			 =		int(_a      )

     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       , _a      )      )

     lowerCAmelCase_       :							Union[str, Any]			 =		[]
     for block in encrypted_message.split(""","""      ):
          encrypted_blocks.append(int(_a      )      )

     return decrypt_message(_a       , _a       , (n, d)       , _a      )






def 				_lowerCAmelCase			(	)						->      None:
     lowerCAmelCase_       :							Optional[int]			 =		"""encrypted_file.txt"""
     lowerCAmelCase_       :							Any			 =		input(R"""Encrypt\Decrypt [e\d]: """      )

     if response.lower().startswith("""e"""      ):
          lowerCAmelCase_       :							Optional[int]			 =		"""encrypt"""
     elif response.lower().startswith("""d"""      ):
          lowerCAmelCase_       :							str			 =		"""decrypt"""

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

          lowerCAmelCase_       :							List[Any]			 =		input("""\nEnter message: """      )
          lowerCAmelCase_       :							Optional[Any]			 =		"""rsa_pubkey.txt"""
          print(F'Encrypting and writing to {filename}...'      )
          lowerCAmelCase_       :							Optional[Any]			 =		encrypt_and_write_to_file(_a       , _a       , _a      )

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

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

          print("""\nDecryption:"""      )
          print(_a      )


if __name__ == "__main__":
      main()







from __future__ import annotations

import sys





class   lowercase__     :







  def __init__(						self     ,    _lowercase     ,    _lowercase    ):
       lowerCAmelCase_       :							str			 =		letter
       lowerCAmelCase_       :							int			 =		freq
       lowerCAmelCase_       :							dict[str, str]			 =		{}







  def __repr__(						self    ):
       return F'{self.letter}:{self.freq}'





class   lowercase__     :







  def __init__(						self     ,    _lowercase     ,    _lowercase     ,    _lowercase    ):
       lowerCAmelCase_       :							int			 =		freq
       lowerCAmelCase_       :							Letter | TreeNode			 =		left
       lowerCAmelCase_       :							Letter | TreeNode			 =		right






def 				_lowerCAmelCase			(	_a :       str      )						->      list[Letter]:
     lowerCAmelCase_       :							dict[str, int]			 =		{}
     with open(_a      ) as f:
          while True:
               lowerCAmelCase_       :							Any			 =		f.read(1      )
               if not c:
                    break
               lowerCAmelCase_       :							List[str]			 =		chars[c] + 1 if c in chars else 1
     return sorted((Letter(_a       , _a      ) for c, f in chars.items())       , key=lambda _a      : x.freq      )






def 				_lowerCAmelCase			(	_a :       list[Letter]      )						->      Letter | TreeNode:
     lowerCAmelCase_       :							list[Letter | TreeNode]			 =		letters  # type: ignore
     while len(_a      ) > 1:
          lowerCAmelCase_       :							Any			 =		response.pop(0      )
          lowerCAmelCase_       :							int			 =		response.pop(0      )
          lowerCAmelCase_       :							List[Any]			 =		left.freq + right.freq
          lowerCAmelCase_       :							Union[str, Any]			 =		TreeNode(_a       , _a       , _a      )
          response.append(_a      )
          response.sort(key=lambda _a      : x.freq      )
     return response[0]






def 				_lowerCAmelCase			(	_a :       Letter | TreeNode       , _a :       str      )						->      list[Letter]:
     if isinstance(_a       , _a      ):
          lowerCAmelCase_       :							Union[str, Any]			 =		bitstring
          return [root]
     lowerCAmelCase_       :							TreeNode			 =		root  # type: ignore
     lowerCAmelCase_       :							Tuple			 =		[]
     letters += traverse_tree(treenode.left       , bitstring + """0"""      )
     letters += traverse_tree(treenode.right       , bitstring + """1"""      )
     return letters






def 				_lowerCAmelCase			(	_a :       str      )						->      None:
     lowerCAmelCase_       :							Optional[Any]			 =		parse_file(_a      )
     lowerCAmelCase_       :							Optional[int]			 =		build_tree(_a      )
     lowerCAmelCase_       :							str			 =		{
         k: v for letter in traverse_tree(_a       , """"""      ) for k, v in letter.bitstring.items()
     }
     print(F'Huffman Coding  of {file_path}: '      )
     with open(_a      ) as f:
          while True:
               lowerCAmelCase_       :							Optional[Any]			 =		f.read(1      )
               if not c:
                    break
               print(letters[c]       , end=""" """      )
     print()


if __name__ == "__main__":
      # pass the file path to the huffman function
      huffman(sys.argv[1])
