

import os
import sys

from . import rsa_key_generator as rkg

snake_case_    						=				128
snake_case_    						=				256

def 			snake_case__    (					SCREAMING_SNAKE_CASE_	:					str			,  SCREAMING_SNAKE_CASE_	:					int = DEFAULT_BLOCK_SIZE    ):



     '''simple docstring'''





     lowercase__					:     List[Any]   = message.encode('ascii'    )

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

def 			snake_case__    (					SCREAMING_SNAKE_CASE_	:					list[int]			,  SCREAMING_SNAKE_CASE_	:					int			,  SCREAMING_SNAKE_CASE_	:					int = DEFAULT_BLOCK_SIZE    ):



     '''simple docstring'''





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

def 			snake_case__    (					SCREAMING_SNAKE_CASE_	:					str			,  SCREAMING_SNAKE_CASE_	:					tuple[int, int]			,  SCREAMING_SNAKE_CASE_	:					int = DEFAULT_BLOCK_SIZE    ):



     '''simple docstring'''





     lowercase__					:     List[str]   = []
     lowercase__					:     Optional[int]   = key

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

def 			snake_case__    (					SCREAMING_SNAKE_CASE_	:					list[int]			,  SCREAMING_SNAKE_CASE_	:					int			,  SCREAMING_SNAKE_CASE_	:					tuple[int, int]			,  SCREAMING_SNAKE_CASE_	:					int = DEFAULT_BLOCK_SIZE			,  ):



     '''simple docstring'''





     lowercase__					:     Optional[int]   = []
     lowercase__					:     Union[str, Any]   = key
     for block in encrypted_blocks:
          decrypted_blocks.append(pow(SCREAMING_SNAKE_CASE_			,  SCREAMING_SNAKE_CASE_			,  SCREAMING_SNAKE_CASE_    )    )
     return get_text_from_blocks(SCREAMING_SNAKE_CASE_			,  SCREAMING_SNAKE_CASE_			,  SCREAMING_SNAKE_CASE_    )

def 			snake_case__    (					SCREAMING_SNAKE_CASE_	:					str    ):



     '''simple docstring'''





     with open(SCREAMING_SNAKE_CASE_    ) as fo:
          lowercase__					:     Dict   = fo.read()
     lowercase__					:     List[str]   = content.split(','    )
     return (int(SCREAMING_SNAKE_CASE_    ), int(SCREAMING_SNAKE_CASE_    ), int(SCREAMING_SNAKE_CASE_    ))

def 			snake_case__    (					SCREAMING_SNAKE_CASE_	:					str			,  SCREAMING_SNAKE_CASE_	:					str			,  SCREAMING_SNAKE_CASE_	:					str			,  SCREAMING_SNAKE_CASE_	:					int = DEFAULT_BLOCK_SIZE			,  ):



     '''simple docstring'''





     lowercase__					:     List[str]   = read_key_file(SCREAMING_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			,  SCREAMING_SNAKE_CASE_    )    )

     lowercase__					:     Optional[Any]   = [str(SCREAMING_SNAKE_CASE_    ) for i in encrypt_message(SCREAMING_SNAKE_CASE_			,  (n, e)			,  SCREAMING_SNAKE_CASE_    )]

     lowercase__					:     List[str]   = ','.join(SCREAMING_SNAKE_CASE_    )
     lowercase__					:     Optional[int]   = f"""{len(SCREAMING_SNAKE_CASE_    )}_{block_size}_{encrypted_content}"""
     with open(SCREAMING_SNAKE_CASE_			,  'w'    ) as fo:
          fo.write(SCREAMING_SNAKE_CASE_    )
     return encrypted_content

def 			snake_case__    (					SCREAMING_SNAKE_CASE_	:					str			,  SCREAMING_SNAKE_CASE_	:					str    ):



     '''simple docstring'''





     lowercase__					:     Tuple   = read_key_file(SCREAMING_SNAKE_CASE_    )
     with open(SCREAMING_SNAKE_CASE_    ) as fo:
          lowercase__					:     Dict   = fo.read()
     lowercase__					:     Optional[Any]   = content.split('_'    )
     lowercase__					:     Tuple   = int(SCREAMING_SNAKE_CASE_    )
     lowercase__					:     List[str]   = int(SCREAMING_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			,  SCREAMING_SNAKE_CASE_    )    )

     lowercase__					:     Tuple   = []
     for block in encrypted_message.split(','    ):
          encrypted_blocks.append(int(SCREAMING_SNAKE_CASE_    )    )

     return decrypt_message(SCREAMING_SNAKE_CASE_			,  SCREAMING_SNAKE_CASE_			,  (n, d)			,  SCREAMING_SNAKE_CASE_    )

def 			snake_case__    (					):



     '''simple docstring'''





     lowercase__					:     Any   = 'encrypted_file.txt'
     lowercase__					:     Union[str, Any]   = input(R'Encrypt\Decrypt [e\d]: '    )

     if response.lower().startswith('e'    ):
          lowercase__					:     Any   = 'encrypt'
     elif response.lower().startswith('d'    ):
          lowercase__					:     Tuple   = 'decrypt'

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

          lowercase__					:     str   = input('\nEnter message: '    )
          lowercase__					:     str   = 'rsa_pubkey.txt'
          print(f"""Encrypting and writing to {filename}..."""    )
          lowercase__					:     Union[str, Any]   = encrypt_and_write_to_file(SCREAMING_SNAKE_CASE_			,  SCREAMING_SNAKE_CASE_			,  SCREAMING_SNAKE_CASE_    )

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

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

          print('\nDecryption:'    )
          print(SCREAMING_SNAKE_CASE_    )


if __name__ == "__main__":
  main()




from __future__ import annotations


class    SCREAMING_SNAKE_CASE__      :





    def __init__(   self		,     a = 0):
         lowercase__					:     int   = value
         lowercase__					:     Node | None   = None
         lowercase__					:     Node | None   = None



def 			snake_case__    (					SCREAMING_SNAKE_CASE_	:					Node | None			,  SCREAMING_SNAKE_CASE_	:					Node | None    ):



     '''simple docstring'''





     if treea is None:
          return treea
     if treea is None:
          return treea

     lowercase__					:     Optional[Any]   = treea.value + treea.value
     lowercase__					:     Union[str, Any]   = merge_two_binary_trees(treea.left			,  treea.left    )
     lowercase__					:     Optional[Any]   = merge_two_binary_trees(treea.right			,  treea.right    )
     return treea

def 			snake_case__    (					SCREAMING_SNAKE_CASE_	:					Node | None    ):



     '''simple docstring'''





     if root:
          print(root.value    )
          print_preorder(root.left    )
          print_preorder(root.right    )


if __name__ == "__main__":
       snake_case_    						=				Node(1)
       snake_case_    						=				Node(2)
       snake_case_    						=				Node(3)
       snake_case_    						=				Node(4)

       snake_case_    						=				Node(2)
       snake_case_    						=				Node(4)
       snake_case_    						=				Node(6)
       snake_case_    						=				Node(9)
       snake_case_    						=				Node(5)

       print('''Tree1 is: ''')
       print_preorder(treea)
       print('''Tree2 is: ''')
       print_preorder(treea)
       snake_case_    						=				merge_two_binary_trees(treea, treea)
       print('''Merged Tree is: ''')
       print_preorder(merged_tree)

