check_account_password

Use this hook to provide additional checks or validations of the password given when
registering and account.

Arguments:

1.  array(
2.      'password' => $password,    // The password to check
3.      'result' => array(
4.          'error' => false,
5.          'message' => ''
6.      )
7.  )

Results:

For a failed check set the error member of the result
array to true and the message to a short message
explaining why it failed.

Otherwise, leave it alone.