@Override
    public String encryptSymmetricKeyWithPublicKey(String publicKey) {
        if (mEncryptKey == null) {
            try {
                aesKey = EncryptUtils.generateSymmetricKey(SymmetricEncryptMode.AES);
                mEncryptKey = EncryptUtils.encryptAESKey(publicKey, aesKey, "EC");
            } catch (NoSuchAlgorithmException e) {
                SALog.printStackTrace(e);
                return null;
            }
        }
        return mEncryptKey;
    }
@Test
    public void encryptSymmetricKeyWithPublicKey() {
    }