code: def rsa_pkcs1v15_encrypt(certificate_or_public_key, data):
      
  
      if not isinstance(certificate_or_public_key, (Certificate, PublicKey)):
          raise TypeError(pretty_message(
              '''
              certificate_or_public_key must be an instance of the Certificate or
              PublicKey class, not %s
              ''',
              type_name(certificate_or_public_key)
          ))
  
      if not isinstance(data, byte_cls):
          raise TypeError(pretty_message(
              '''
              data must be a byte string, not %s
              ''',
              type_name(data)
          ))
  
      key_length = certificate_or_public_key.byte_size
      buffer = buffer_from_bytes(key_length)
      output_length = new(Security, 'size_t *', key_length)
      result = Security.SecKeyEncrypt(
          certificate_or_public_key.sec_key_ref,
          SecurityConst.kSecPaddingPKCS1,
          data,
          len(data),
          buffer,
          output_length
      )
      handle_sec_error(result)
  
      return bytes_from_buffer(buffer, deref(output_length))
docs: Encrypts a byte string using an RSA public key or certificate. Uses PKCS#1
      v1.5 padding.
  
      :param certificate_or_public_key:
          A PublicKey or Certificate object
  
      :param data:
          A byte string, with a maximum length 11 bytes less than the key length
          (in bytes)
  
      :raises:
          ValueError - when any of the parameters contain an invalid value
          TypeError - when any of the parameters are of the wrong type
          OSError - when an error is returned by the OS crypto library
  
      :return:
          A byte string of the encrypted data