/** * Lookup OID. * * @param algorithmName * Algorithm name. * @param winternitzParameter * Winternitz parameter. * @param height * Binary tree height. * @return XMSS OID if parameters were found, null else. */ public static DefaultXMSSOid lookup(String algorithmName, int digestSize, int winternitzParameter, int len, int height) { if (algorithmName == null) { throw new NullPointerException("algorithmName == null"); } return oidLookupTable.get(createKey(algorithmName, digestSize, winternitzParameter, len, height)); }