def get_key(self, index, iterations):<EOL>
return (<EOL>self.get_keys(<EOL>start=index,<EOL>count=<NUM_LIT:1>,<EOL>step=<NUM_LIT:1>,<EOL>iterations=iterations,<EOL>)[<NUM_LIT:0>]<EOL>)<EOL>
Generates a single key.

:param index:
    The key index.

:param iterations:
    Number of transform iterations to apply to the key, also
    known as security level.
    Must be >= 1.

    Increasing this value makes key generation slower, but more
    resistant to brute-forcing.