try {
            KeyFactory keyFactory = KeyFactory.getInstance("RSA");
            X509EncodedKeySpec publicKeySpec = new X509EncodedKeySpec(publicKey.getBytes());
            PublicKey key = keyFactory.generatePublic(publicKeySpec);
            params = EncryptionUtil.encrypt(params.getBytes(), key);
        } catch (Exception e) {
            logger.error(e.getMessage());
        }

        logger.info("encrypt params:" + params);