

import os
import sys

from . import rsa_key_generator as rkg

__UpperCAmelCase     					=  1_2_8
__UpperCAmelCase     					=  2_5_6







def 						_snake_case		(     SCREAMING_SNAKE_CASE		,				SCREAMING_SNAKE_CASE = DEFAULT_BLOCK_SIZE					)							->   list[int]:

     """simple docstring"""







     _lowerCAmelCase :       int	   =     message.encode("ascii"					)

     _lowerCAmelCase :       Optional[int]	   =     []
     for block_start in range(0		,				len(SCREAMING_SNAKE_CASE					)		,				SCREAMING_SNAKE_CASE					):
          _lowerCAmelCase :       List[Any]	   =     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		,				SCREAMING_SNAKE_CASE		,				SCREAMING_SNAKE_CASE = DEFAULT_BLOCK_SIZE					)							->   str:

     """simple docstring"""







     _lowerCAmelCase :       list[str]	   =     []
     for block_int in block_ints:
          _lowerCAmelCase :       list[str]	   =     []
          for i in range(block_size - 1		,				-1		,				-1					):
               if len(SCREAMING_SNAKE_CASE					) + i < message_length:
                    _lowerCAmelCase :       Dict	   =     block_int // (BYTE_SIZE**i)
                    _lowerCAmelCase :       Union[str, Any]	   =     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		,				SCREAMING_SNAKE_CASE		,				SCREAMING_SNAKE_CASE = DEFAULT_BLOCK_SIZE					)							->   list[int]:

     """simple docstring"""







     _lowerCAmelCase :       Optional[int]	   =     []
     _lowerCAmelCase   ,      _lowerCAmelCase :       Tuple	   =     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		,				SCREAMING_SNAKE_CASE		,				SCREAMING_SNAKE_CASE		,				SCREAMING_SNAKE_CASE = DEFAULT_BLOCK_SIZE		,				)							->   str:

     """simple docstring"""







     _lowerCAmelCase :       Any	   =     []
     _lowerCAmelCase   ,      _lowerCAmelCase :       str	   =     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					)							->   tuple[int, int, int]:

     """simple docstring"""







     with open(SCREAMING_SNAKE_CASE					) as fo:
          _lowerCAmelCase :       Union[str, Any]	   =     fo.read()
     _lowerCAmelCase   ,      _lowerCAmelCase   ,      _lowerCAmelCase :       Dict	   =     content.split(","					)
     return (int(SCREAMING_SNAKE_CASE					), int(SCREAMING_SNAKE_CASE					), int(SCREAMING_SNAKE_CASE					))







def 						_snake_case		(     SCREAMING_SNAKE_CASE		,				SCREAMING_SNAKE_CASE		,				SCREAMING_SNAKE_CASE		,				SCREAMING_SNAKE_CASE = DEFAULT_BLOCK_SIZE		,				)							->   str:

     """simple docstring"""







     _lowerCAmelCase   ,      _lowerCAmelCase   ,      _lowerCAmelCase :       Any	   =     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					)					)

     _lowerCAmelCase :       Dict	   =     [str(SCREAMING_SNAKE_CASE					) for i in encrypt_message(SCREAMING_SNAKE_CASE		,				(n, e)		,				SCREAMING_SNAKE_CASE					)]

     _lowerCAmelCase :       List[str]	   =     ",".join(SCREAMING_SNAKE_CASE					)
     _lowerCAmelCase :       Dict	   =     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		,				SCREAMING_SNAKE_CASE					)							->   str:

     """simple docstring"""







     _lowerCAmelCase   ,      _lowerCAmelCase   ,      _lowerCAmelCase :       int	   =     read_key_file(SCREAMING_SNAKE_CASE					)
     with open(SCREAMING_SNAKE_CASE					) as fo:
          _lowerCAmelCase :       List[Any]	   =     fo.read()
     _lowerCAmelCase   ,      _lowerCAmelCase   ,      _lowerCAmelCase :       Tuple	   =     content.split("_"					)
     _lowerCAmelCase :       Optional[Any]	   =     int(SCREAMING_SNAKE_CASE					)
     _lowerCAmelCase :       Any	   =     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					)					)

     _lowerCAmelCase :       Any	   =     []
     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		(     )							->   None:

     """simple docstring"""







     _lowerCAmelCase :       Optional[int]	   =     "encrypted_file.txt"
     _lowerCAmelCase :       List[Any]	   =     input(r"Encrypt\Decrypt [e\d]: "					)

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

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

          _lowerCAmelCase :       List[str]	   =     input("\nEnter message: "					)
          _lowerCAmelCase :       str	   =     "rsa_pubkey.txt"
          print(f'''Encrypting and writing to {filename}...'''					)
          _lowerCAmelCase :       List[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":
          _lowerCAmelCase :       List[str]	   =     "rsa_privkey.txt"
          print(f'''Reading from {filename} and decrypting...'''					)
          _lowerCAmelCase :       Optional[int]	   =     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()









import numpy as np
import PIL
import torch
import torchvision.transforms as T
import torchvision.transforms.functional as TF
from PIL import Image







def 						_snake_case		(     SCREAMING_SNAKE_CASE		,				SCREAMING_SNAKE_CASE=256					)							->   Optional[int]:

     """simple docstring"""







     _lowerCAmelCase :       Any	   =     min(img.size					)

     if s < target_image_size:
          raise ValueError(f'''min dim for image {s} < {target_image_size}'''					)

     _lowerCAmelCase :       Dict	   =     target_image_size / s
     _lowerCAmelCase :       Dict	   =     (round(r * img.size[1]					), round(r * img.size[0]					))
     _lowerCAmelCase :       Any	   =     TF.resize(SCREAMING_SNAKE_CASE		,				SCREAMING_SNAKE_CASE		,				interpolation=PIL.Image.LANCZOS					)
     _lowerCAmelCase :       str	   =     TF.center_crop(SCREAMING_SNAKE_CASE		,				output_size=2 * [target_image_size]					)
     _lowerCAmelCase :       int	   =     torch.unsqueeze(T.ToTensor()(SCREAMING_SNAKE_CASE					)		,				0					)
     return img







def 						_snake_case		(     SCREAMING_SNAKE_CASE					)							->   List[str]:

     """simple docstring"""







     _lowerCAmelCase :       List[Any]	   =     2.0 * x - 1.0
     return x







def 						_snake_case		(     SCREAMING_SNAKE_CASE		,				SCREAMING_SNAKE_CASE=True		,				SCREAMING_SNAKE_CASE="RGB"					)							->   int:

     """simple docstring"""







     _lowerCAmelCase :       Optional[int]	   =     x.detach().cpu()
     if process:
          _lowerCAmelCase :       List[Any]	   =     post_process_tensor(SCREAMING_SNAKE_CASE					)
     _lowerCAmelCase :       Optional[int]	   =     x.numpy()
     if process:
          _lowerCAmelCase :       List[Any]	   =     (255 * x).astype(np.uinta					)
     _lowerCAmelCase :       Optional[int]	   =     Image.fromarray(SCREAMING_SNAKE_CASE					)
     if not x.mode == mode:
          _lowerCAmelCase :       str	   =     x.convert(SCREAMING_SNAKE_CASE					)
     return x







def 						_snake_case		(     SCREAMING_SNAKE_CASE					)							->   Union[str, Any]:

     """simple docstring"""







     _lowerCAmelCase :       Any	   =     torch.clamp(SCREAMING_SNAKE_CASE		,				-1.0		,				1.0					)
     _lowerCAmelCase :       Any	   =     (x + 1.0) / 2.0
     _lowerCAmelCase :       List[Any]	   =     x.permute(1		,				2		,				0					)
     return x







def 						_snake_case		(     SCREAMING_SNAKE_CASE					)							->   Tuple:

     """simple docstring"""







     _lowerCAmelCase :       str	   =     post_process_tensor(x.squeeze()					)
     return x.permute(2		,				0		,				1					).unsqueeze(0					)






