





import os
import sys

from . import rsa_key_generator as rkg

UpperCamelCase__          =128
UpperCamelCase__          =256






def 			lowerCamelCase__	(__lowerCamelCase,				__lowerCamelCase = DEFAULT_BLOCK_SIZE		):
     _SCREAMING_SNAKE_CASE				:		List[Any]  			=							message.encode("ascii"		)

     _SCREAMING_SNAKE_CASE				:		Any  			=							[]
     for block_start in range(0,				len(__lowerCamelCase		),				__lowerCamelCase		):
          _SCREAMING_SNAKE_CASE				:		List[Any]  			=							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__	(__lowerCamelCase,				__lowerCamelCase,				__lowerCamelCase = DEFAULT_BLOCK_SIZE		):
     _SCREAMING_SNAKE_CASE				:		list[str]  			=							[]
     for block_int in block_ints:
          _SCREAMING_SNAKE_CASE				:		list[str]  			=							[]
          for i in range(block_size - 1,				-1,				-1		):
               if len(__lowerCamelCase		) + i < message_length:
                    _SCREAMING_SNAKE_CASE				:		List[str]  			=							block_int // (BYTE_SIZE**i)
                    _SCREAMING_SNAKE_CASE				:		Any  			=							block_int % (BYTE_SIZE**i)
                    block_message.insert(0,				chr(__lowerCamelCase		)		)
          message.extend(__lowerCamelCase		)
     return "".join(__lowerCamelCase		)






def 			lowerCamelCase__	(__lowerCamelCase,				__lowerCamelCase,				__lowerCamelCase = DEFAULT_BLOCK_SIZE		):
     _SCREAMING_SNAKE_CASE				:		str  			=							[]
     _SCREAMING_SNAKE_CASE			,	_SCREAMING_SNAKE_CASE				:		List[Any]  			=							key

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






def 			lowerCamelCase__	(__lowerCamelCase,				__lowerCamelCase,				__lowerCamelCase,				__lowerCamelCase = DEFAULT_BLOCK_SIZE,				):
     _SCREAMING_SNAKE_CASE				:		List[str]  			=							[]
     _SCREAMING_SNAKE_CASE			,	_SCREAMING_SNAKE_CASE				:		str  			=							key
     for block in encrypted_blocks:
          decrypted_blocks.append(pow(__lowerCamelCase,				__lowerCamelCase,				__lowerCamelCase		)		)
     return get_text_from_blocks(__lowerCamelCase,				__lowerCamelCase,				__lowerCamelCase		)






def 			lowerCamelCase__	(__lowerCamelCase		):
     with open(__lowerCamelCase		) as fo:
          _SCREAMING_SNAKE_CASE				:		Optional[int]  			=							fo.read()
     _SCREAMING_SNAKE_CASE			,	_SCREAMING_SNAKE_CASE			,	_SCREAMING_SNAKE_CASE				:		Optional[int]  			=							content.split(","		)
     return (int(__lowerCamelCase		), int(__lowerCamelCase		), int(__lowerCamelCase		))






def 			lowerCamelCase__	(__lowerCamelCase,				__lowerCamelCase,				__lowerCamelCase,				__lowerCamelCase = DEFAULT_BLOCK_SIZE,				):
     _SCREAMING_SNAKE_CASE			,	_SCREAMING_SNAKE_CASE			,	_SCREAMING_SNAKE_CASE				:		Dict  			=							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				:		Union[str, Any]  			=							[str(__lowerCamelCase		) for i in encrypt_message(__lowerCamelCase,				(n, e),				__lowerCamelCase		)]

     _SCREAMING_SNAKE_CASE				:		Any  			=							",".join(__lowerCamelCase		)
     _SCREAMING_SNAKE_CASE				:		Optional[int]  			=							f"""{len(__lowerCamelCase		)}_{block_size}_{encrypted_content}"""
     with open(__lowerCamelCase,				"w"		) as fo:
          fo.write(__lowerCamelCase		)
     return encrypted_content






def 			lowerCamelCase__	(__lowerCamelCase,				__lowerCamelCase		):
     _SCREAMING_SNAKE_CASE			,	_SCREAMING_SNAKE_CASE			,	_SCREAMING_SNAKE_CASE				:		Any  			=							read_key_file(__lowerCamelCase		)
     with open(__lowerCamelCase		) as fo:
          _SCREAMING_SNAKE_CASE				:		List[str]  			=							fo.read()
     _SCREAMING_SNAKE_CASE			,	_SCREAMING_SNAKE_CASE			,	_SCREAMING_SNAKE_CASE				:		Union[str, Any]  			=							content.split("_"		)
     _SCREAMING_SNAKE_CASE				:		List[Any]  			=							int(__lowerCamelCase		)
     _SCREAMING_SNAKE_CASE				:		Any  			=							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				:		Optional[int]  			=							[]
     for block in encrypted_message.split(","		):
          encrypted_blocks.append(int(__lowerCamelCase		)		)

     return decrypt_message(__lowerCamelCase,				__lowerCamelCase,				(n, d),				__lowerCamelCase		)






def 			lowerCamelCase__	():
     _SCREAMING_SNAKE_CASE				:		Tuple  			=							"encrypted_file.txt"
     _SCREAMING_SNAKE_CASE				:		Union[str, Any]  			=							input(R"Encrypt\Decrypt [e\d]: "		)

     if response.lower().startswith("e"		):
          _SCREAMING_SNAKE_CASE				:		List[Any]  			=							"encrypt"
     elif response.lower().startswith("d"		):
          _SCREAMING_SNAKE_CASE				:		Any  			=							"decrypt"

     if mode == "encrypt":
          if not os.path.exists("rsa_pubkey.txt"		):
               rkg.make_key_files("rsa",				1024		)

          _SCREAMING_SNAKE_CASE				:		List[Any]  			=							input("\nEnter message: "		)
          _SCREAMING_SNAKE_CASE				:		List[str]  			=							"rsa_pubkey.txt"
          print(f"""Encrypting and writing to {filename}..."""		)
          _SCREAMING_SNAKE_CASE				:		Dict  			=							encrypt_and_write_to_file(__lowerCamelCase,				__lowerCamelCase,				__lowerCamelCase		)

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

     elif mode == "decrypt":
          _SCREAMING_SNAKE_CASE				:		int  			=							"rsa_privkey.txt"
          print(f"""Reading from {filename} and decrypting..."""		)
          _SCREAMING_SNAKE_CASE				:		str  			=							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 collections import Counter
from functools import total_ordering

from data_structures.heap.heap import Heap


@total_ordering
class     __UpperCAmelCase:




						"""simple docstring"""




						def __init__(   self       ,  snake_case__       ,  snake_case__			):
												'''simple docstring'''
												lowercase__				:      Optional[Any]=       word
												lowercase__				:      Any=       count




						def __eq__(   self       ,  snake_case__			):
												'''simple docstring'''
												if not isinstance(snake_case__       ,  snake_case__			):
																		return NotImplemented
												return self.count == other.count




						def __lt__(   self       ,  snake_case__			):
												'''simple docstring'''
												if not isinstance(snake_case__       ,  snake_case__			):
																		return NotImplemented
												return self.count < other.count





def 						lowercase__(A					,		A						)				->list[str]:




						"""simple docstring"""



						lowercase__				:      Heap[WordCount]=       Heap()
						lowercase__				:      str=       Counter(A						)
						heap.build_max_heap(
						    [WordCount(A					,		A						) for word, count in count_by_word.items()]						)
						return [heap.extract_max().word for _ in range(min(A					,		len(A						)						)						)]


if __name__ == "__main__":
			import doctest

			doctest.testmod()






