hs.add(PKCS5_PAD);
  public static final Set getNames()  {    HashSet hs = new HashSet();    hs.add(PKCS7_PAD);    hs.add(TBC_PAD);    hs.add(EME_PKCS1_V1_5_PAD);    hs.add(SSL3_PAD);    hs.add(TLS1_PAD);    return Collections.unmodifiableSet(hs);  }