

'''simple docstring'''

import os
import sys

from . import rsa_key_generator as rkg

lowercase__            =     128
lowercase__            =     256




def  UpperCamelCase(	UpperCAmelCase_    ,			UpperCAmelCase_ = DEFAULT_BLOCK_SIZE      ):
 UpperCAmelCase			:      Optional[Any]		   =					message.encode('ascii'      )

 UpperCAmelCase			:      Dict		   =					[]
 for block_start in range(0    ,			len(UpperCAmelCase_      )    ,			UpperCAmelCase_      ):
  UpperCAmelCase			:      int		   =					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_    ,			UpperCAmelCase_    ,			UpperCAmelCase_ = DEFAULT_BLOCK_SIZE      ):
 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			:      List[str]		   =					block_int // (BYTE_SIZE**i)
    UpperCAmelCase			:      Any		   =					block_int % (BYTE_SIZE**i)
    block_message.insert(0    ,			chr(UpperCAmelCase_      )      )
  message.extend(UpperCAmelCase_      )
 return "".join(UpperCAmelCase_      )




def  UpperCamelCase(	UpperCAmelCase_    ,			UpperCAmelCase_    ,			UpperCAmelCase_ = DEFAULT_BLOCK_SIZE      ):
 UpperCAmelCase			:      str		   =					[]
 UpperCAmelCase   ,					UpperCAmelCase			:      Optional[Any]		   =					key

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




def  UpperCamelCase(	UpperCAmelCase_    ,			UpperCAmelCase_    ,			UpperCAmelCase_    ,			UpperCAmelCase_ = DEFAULT_BLOCK_SIZE    ,			):
 UpperCAmelCase			:      str		   =					[]
 UpperCAmelCase   ,					UpperCAmelCase			:      Optional[int]		   =					key
 for block in encrypted_blocks:
  decrypted_blocks.append(pow(UpperCAmelCase_    ,			UpperCAmelCase_    ,			UpperCAmelCase_      )      )
 return get_text_from_blocks(UpperCAmelCase_    ,			UpperCAmelCase_    ,			UpperCAmelCase_      )




def  UpperCamelCase(	UpperCAmelCase_      ):
 with open(UpperCAmelCase_      ) as fo:
  UpperCAmelCase			:      str		   =					fo.read()
 UpperCAmelCase   ,					UpperCAmelCase   ,					UpperCAmelCase			:      str		   =					content.split(','      )
 return (int(UpperCAmelCase_      ), int(UpperCAmelCase_      ), int(UpperCAmelCase_      ))




def  UpperCamelCase(	UpperCAmelCase_    ,			UpperCAmelCase_    ,			UpperCAmelCase_    ,			UpperCAmelCase_ = DEFAULT_BLOCK_SIZE    ,			):
 UpperCAmelCase   ,					UpperCAmelCase   ,					UpperCAmelCase			:      Any		   =					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			:      Tuple		   =					[str(UpperCAmelCase_      ) for i in encrypt_message(UpperCAmelCase_    ,			(n, e)    ,			UpperCAmelCase_      )]

 UpperCAmelCase			:      Any		   =					','.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_    ,			UpperCAmelCase_      ):
 UpperCAmelCase   ,					UpperCAmelCase   ,					UpperCAmelCase			:      str		   =					read_key_file(UpperCAmelCase_      )
 with open(UpperCAmelCase_      ) as fo:
  UpperCAmelCase			:      List[Any]		   =					fo.read()
 UpperCAmelCase   ,					UpperCAmelCase   ,					UpperCAmelCase			:      List[Any]		   =					content.split('_'      )
 UpperCAmelCase			:      int		   =					int(UpperCAmelCase_      )
 UpperCAmelCase			:      Union[str, Any]		   =					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[int]		   =					[]
 for block in encrypted_message.split(','      ):
  encrypted_blocks.append(int(UpperCAmelCase_      )      )

 return decrypt_message(UpperCAmelCase_    ,			UpperCAmelCase_    ,			(n, d)    ,			UpperCAmelCase_      )




def  UpperCamelCase(	):
 UpperCAmelCase			:      str		   =					'encrypted_file.txt'
 UpperCAmelCase			:      Tuple		   =					input(R'Encrypt\Decrypt [e\d]: '      )

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

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

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

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

 elif mode == "decrypt":
  UpperCAmelCase			:      int		   =					'rsa_privkey.txt'
  print(F"""Reading from {filename} and decrypting..."""      )
  UpperCAmelCase			:      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'''

from __future__ import annotations

from collections.abc import Callable




def  UpperCamelCase(	UpperCAmelCase_    ,			UpperCAmelCase_    ,			UpperCAmelCase_    ,			UpperCAmelCase_ = 1_00    ,			):
 UpperCAmelCase			:      Any		   =					x_start
 UpperCAmelCase			:      int		   =					fnc(UpperCAmelCase_      )
 UpperCAmelCase			:      str		   =					0.0

 for _ in range(UpperCAmelCase_      ):
  # Approximates small segments of curve as linear and solve
  # for trapezoidal area
  UpperCAmelCase			:      List[Any]		   =					(x_end - x_start) / steps + xa
  UpperCAmelCase			:      int		   =					fnc(UpperCAmelCase_      )
  area += abs(fxa + fxa      ) * (xa - xa) / 2

  # Increment step
  UpperCAmelCase			:      List[str]		   =					xa
  UpperCAmelCase			:      List[Any]		   =					fxa
 return area


if __name__ == "__main__":




 def  UpperCamelCase(	UpperCAmelCase_      ):
  return x**3

 print("f(x) = x^3")
 print("The area between the curve, x = -10, x = 10 and the x axis is:")
 lowercase__            =     10
 while i <= 100000:
  lowercase__            =     trapezoidal_area(f, -5, 5, i)
  print(f'''with {i} steps: {area}''')
  i *= 10




