
import os
import sys

from . import rsa_key_generator as rkg

_lowerCamelCase        =1_2_8
_lowerCamelCase        =2_5_6





def    _a (						lowerCamelCase,     lowerCamelCase = DEFAULT_BLOCK_SIZE							):
	lowerCamelCase		:     Dict          =				message.encode("""ascii"""							)

	lowerCamelCase		:     Optional[Any]          =				[]
	for block_start in range(0,     len(SCREAMING_SNAKE_CASE__							),     SCREAMING_SNAKE_CASE__							):
		lowerCamelCase		:     Optional[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    _a (						lowerCamelCase,     lowerCamelCase,     lowerCamelCase = DEFAULT_BLOCK_SIZE							):
	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		:     str          =				block_int // (BYTE_SIZE**i)
				lowerCamelCase		:     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    _a (						lowerCamelCase,     lowerCamelCase,     lowerCamelCase = DEFAULT_BLOCK_SIZE							):
	lowerCamelCase		:     Any          =				[]
	lowerCamelCase		:     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    _a (						lowerCamelCase,     lowerCamelCase,     lowerCamelCase,     lowerCamelCase = DEFAULT_BLOCK_SIZE,     ):
	lowerCamelCase		:     List[str]          =				[]
	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    _a (						lowerCamelCase							):





	with open(SCREAMING_SNAKE_CASE__							) as fo:
		lowerCamelCase		:     List[str]          =				fo.read()
	lowerCamelCase		:     Tuple          =				content.split(""","""							)
	return (int(SCREAMING_SNAKE_CASE__							), int(SCREAMING_SNAKE_CASE__							), int(SCREAMING_SNAKE_CASE__							))





def    _a (						lowerCamelCase,     lowerCamelCase,     lowerCamelCase,     lowerCamelCase = DEFAULT_BLOCK_SIZE,     ):
	lowerCamelCase		:     Tuple          =				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		:     Any          =				[str(SCREAMING_SNAKE_CASE__							) for i in encrypt_message(SCREAMING_SNAKE_CASE__,     (n, e),     SCREAMING_SNAKE_CASE__							)]

	lowerCamelCase		:     Optional[int]          =				','.join(SCREAMING_SNAKE_CASE__							)
	lowerCamelCase		:     List[str]          =				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    _a (						lowerCamelCase,     lowerCamelCase							):
	lowerCamelCase		:     str          =				read_key_file(SCREAMING_SNAKE_CASE__							)
	with open(SCREAMING_SNAKE_CASE__							) as fo:
		lowerCamelCase		:     int          =				fo.read()
	lowerCamelCase		:     Union[str, Any]          =				content.split("""_"""							)
	lowerCamelCase		:     int          =				int(SCREAMING_SNAKE_CASE__							)
	lowerCamelCase		:     Optional[int]          =				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		:     List[str]          =				[]
	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    _a (						):
	lowerCamelCase		:     Union[str, Any]          =				'encrypted_file.txt'
	lowerCamelCase		:     Optional[Any]          =				input(R"""Encrypt\Decrypt [e\d]: """							)

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

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

		lowerCamelCase		:     Union[str, Any]          =				input("""\nEnter message: """							)
		lowerCamelCase		:     List[Any]          =				'rsa_pubkey.txt'
		print(F'''Encrypting and writing to {filename}...'''							)
		lowerCamelCase		:     Optional[int]          =				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[Any]          =				'rsa_privkey.txt'
		print(F'''Reading from {filename} and decrypting...'''							)
		lowerCamelCase		:     Dict          =				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 collections import defaultdict





def    _a (						lowerCamelCase							):
 lowerCamelCase		:     defaultdict[str, int]          =				defaultdict(lowerCamelCase							)
 # Creating a dictionary containing count of each word
 for word in sentence.split():
  occurrence[word] += 1
 return occurrence


if __name__ == "__main__":
      for word, count in word_occurrence("""INPUT STRING""").items():
            print(f'''{word}: {count}''')




