code: private File getKeyPath(final Key key) {
          KeyType keyType = null;
          if (key instanceof PrivateKey) {
              keyType = KeyType.PRIVATE;
          } else if (key instanceof PublicKey) {
              keyType = KeyType.PUBLIC;
          } else if (key instanceof SecretKey) {
              keyType = KeyType.SECRET;
          }
          return getKeyPath(keyType);
      }
docs: Given the type of key, this method will return the File path to that key.
  @param key the type of key
  @return a File representing the path to the key