code: def rsa_enc(data, modulus, exponent):
      
      modulus = to_long(modulus)
      exponent = to_long(exponent)
      data = to_long(data)
  
      return long_to_bytes(pow(data, exponent, modulus), long_byte_size(modulus))
docs: Simple RAW RSA encryption method, returns byte string.
      Returns byte string of the same size as the modulus (left padded with 0)
  
      :param data:
      :param modulus:
      :param exponent:
      :return: