Untitled

    protected void decryptProps(final Properties props) {
        final String keystore = props.getProperty("keystore.filename");
        final FileInputStream fs = new FileInputStream(keystore);
        final KeyStore jks = KeyStore.getInstance("JCEKS");
        jks.load(fs, storepass.toCharArray());
        fs.close();

        final String storepass = props.getProperty("keystore.password");

        final Cipher cipher = Cipher.getInstance("RSA/ECB/PKCS1Padding");
        cipher.init(Cipher.DECRYPT_MODE, (PrivateKey) jks.getKey("rice-rsa-key", storepass.toCharArray()));

        for (final String key : props.stringPropertyNames()) {
            if (key.endsWith(".encrypted")) {
                final String prefix = key.substring(0, key.indexOf(".encrypted"));
                final String encrypted_str = props.getProperty(key);
                props.setProperty(prefix + ".password",
                                  new String(cipher.doFinal(new BASE64Decoder().decodeBuffer(encrypted_str))));
            }
        }

    }