lastb = 0;
    public void initVerify(        PGPPublicKey    pubKey,        String          provider)        throws NoSuchProviderException, PGPException    {            if (sig == null)        {            getSig(provider);        }        try        {            sig.initVerify(pubKey.getKey(provider));        }        catch (InvalidKeyException e)        {            throw new PGPException("invalid key.", e);        }    }