[图片][图片]

//支付数据加密模拟 public static String payNotify() throws NoSuchPaddingException, NoSuchAlgorithmException, InvalidAlgorithmParameterException, InvalidKeyException, BadPaddingException, IllegalBlockSizeException { //密文数据 String test = DataDemo.V3_PAY_NOTIFY_JSON; //随机串 String nonce = "xxxxxx"; //附加数据 String fj = ""; Cipher cipher = Cipher.getInstance(WxV3Constant.AES_GCM); byte[] aesKey = WxV3Constant.KEY_V3.getBytes(); SecretKeySpec key = new SecretKeySpec(aesKey, "AES"); GCMParameterSpec spec = new GCMParameterSpec(128, nonce.getBytes(StandardCharsets.UTF_8)); cipher.init(Cipher.ENCRYPT_MODE, key, spec); cipher.updateAAD(fj.getBytes(StandardCharsets.UTF_8)); byte[] encrypted = cipher.doFinal(test.getBytes()); return Base64Util.encode(encrypted); } //退款数据加密模拟 public static String refundNotify() throws NoSuchPaddingException, NoSuchAlgorithmException, InvalidAlgorithmParameterException, InvalidKeyException, BadPaddingException, IllegalBlockSizeException { //密文数据 String test = DataDemo.V3_REFUND_JSON; //随机串 String nonce = "xxxxx"; //附加数据 String fj = ""; Cipher cipher = Cipher.getInstance(WxV3Constant.AES_GCM); byte[] aesKey = WxV3Constant.KEY_V3.getBytes(); SecretKeySpec key = new SecretKeySpec(aesKey, "AES"); GCMParameterSpec spec = new GCMParameterSpec(128, nonce.getBytes(StandardCharsets.UTF_8)); cipher.init(Cipher.ENCRYPT_MODE, key, spec); cipher.updateAAD(fj.getBytes(StandardCharsets.UTF_8)); byte[] encrypted = cipher.doFinal(test.getBytes()); return Base64Util.encode(encrypted); } public static void main(String[] args) throws NoSuchPaddingException, InvalidKeyException, NoSuchAlgorithmException, IllegalBlockSizeException, BadPaddingException, InvalidAlgorithmParameterException { String s = payNotify(); System.out.println(s); String s1 = refundNotify(); System.out.println(s1); }

解决了没？我也遇到这个问题