algOid = new OID(params.getAlgorithm());
algName = params.getAlgorithm (); algOid = getOid (algName);
  public EncryptedPrivateKeyInfo(AlgorithmParameters params,                                 byte[] encryptedData)    throws IllegalArgumentException, NoSuchAlgorithmException  {    if (encryptedData.length == 0)      {        throw new IllegalArgumentException("0-length encryptedData");      }    this.params = params;    algOid = new OID(params.getAlgorithm());    this.encryptedData = (byte[]) encryptedData.clone();  }