import hmac
import base64
from hashlib import sha256

s = '15653147891500001048{"audience_type": "account","message": {"title": "test title","content": "test content","android": { "action": {"action_type": 3,"intent": "xgscheme://com.xg.push/notify_detail?param1=xg"}}},"message_type": "notify","account_list": ["5822f0eee44c3625ef0000bb"] }'
key = '1452fcebae9f3115ba794fb0fff2fd73'
hashcode = hmac.new(bytes(key, "utf-8"), bytes(s, "utf-8"),
                        digestmod=sha256).hexdigest()
print(base64.b64encode(bytes(hashcode, "utf-8")))


package com.tencent.xg;

import java.io.UnsupportedEncodingException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;
import org.apache.commons.codec.binary.Base64;
import org.apache.commons.codec.binary.Hex;

public class SignTest {
    public static void main(String[] args) {
        try {
            String stringToSign = "15653147891500001048{\\"audience_type\\": \\"account\\",\\"platform\\": \\"android\\",\\"message\\": {\\"title\\": \\"test title\\",\\"content\\": \\"test content\\",\\"android\\": { \\"action\\": {\\"action_type\\": 3,\\"intent\\": \\"xgscheme://com.xg.push/notify_detail?param1=xg\\"}}},\\"message_type\\": \\"notify\\",\\"account_list\\": [\\"5822f0eee44c3625ef0000bb\\"] }";
            String appSecret = "1452fcebae9f3115ba794fb0fff2fd73";

            Mac mac;
            mac = Mac.getInstance("HmacSHA256");
            mac.init(new SecretKeySpec(appSecret.getBytes("UTF-8"), "HmacSHA256"));
            byte[] signatureBytes = mac.doFinal(stringToSign.getBytes("UTF-8"));

            String hexStr = Hex.encodeHexString(signatureBytes);
            String signature = Base64.encodeBase64String(hexStr.getBytes());

            System.out.println(signature);
        } catch (NoSuchAlgorithmException | InvalidKeyException | UnsupportedEncodingException e) {
            e.printStackTrace();
        }
    }
}


import (
   "crypto/hmac"
   "crypto/sha256"
   "encoding/base64"
   "encoding/hex"
   "testing"
)

func TestSign(t *testing.T) {
   requestBody := "15653147891500001048{\\"audience_type\\": \\"account\\",\\"message\\": {\\"title\\": \\"test title\\",\\"content\\": \\"test content\\",\\"android\\": { \\"action\\": {\\"action_type\\": 3,\\"intent\\": \\"xgscheme://com.xg.push/notify_detail?param1=xg\\"}}},\\"message_type\\": \\"notify\\",\\"account_list\\": [\\"5822f0eee44c3625ef0000bb\\"] }"
   secretKey := "1452fcebae9f3115ba794fb0fff2fd73"

   h := hmac.New(sha256.New, []byte(secretKey))
   h.Write([]byte(requestBody))
   sha := hex.EncodeToString(h.Sum(nil))
   sign := base64.StdEncoding.EncodeToString([]byte(sha))
   println(sign)
}


using System;
using System.Security.Cryptography;
using System.Text;
namespace tpns_server_sdk_cs
{
    class GenSign { 

        //Main Method 
        static public void Main(String[] args)
        {
            string reqBody =
                "{\\"audience_type\\": \\"account\\",\\"message\\": {\\"title\\": \\"test title\\",\\"content\\": \\"test content\\",\\"android\\": { \\"action\\": {\\"action_type\\": 3,\\"intent\\": \\"xgscheme://com.xg.push/notify_detail?param1=xg\\"}}},\\"message_type\\": \\"notify\\",\\"account_list\\": [\\"234\\"] }";
            string genSign = GenSign.genSign("1621307510", "1500004469", reqBody, "2b1163d904bd5f82dcf82dcf82dc4407");
            Console.WriteLine(genSign);
        } 
        public static string HmacSHA256(string key, string data)
        {
            string hash;
            Byte[] code = System.Text.Encoding.UTF8.GetBytes(key);
            using (HMACSHA256 hmac = new HMACSHA256(code))
            {
                Byte[] d = System.Text.Encoding.UTF8.GetBytes(data);
                //Byte[] hmBytes = hmac.ComputeHash(encoder.GetBytes(data));
                Byte[] hmBytes = hmac.ComputeHash(d);
                hash = ToHexString(hmBytes);
            }
            return hash;
        }
        public static string ToHexString(byte[] array)
        {
            StringBuilder hex = new StringBuilder(array.Length * 2);
            foreach (byte b in array)
            {
                hex.AppendFormat("{0:x2}", b);
            }
            return hex.ToString();
        }

        public static string genSign(string timeStampStr, string accessId, string requestBody, string keySecret)
        {
            string data = timeStampStr + accessId + requestBody;
            string hash = HmacSHA256(keySecret, data);
            string sign = Base64Encode(hash);
            Console.WriteLine("timeStampStr: "  + timeStampStr + " accessId:" + accessId + " requestBody" + requestBody + " keySecret:" + keySecret);
            return sign;
        }

        public static string Base64Encode(string plainText) {
            var plainTextBytes = System.Text.Encoding.UTF8.GetBytes(plainText);
            return System.Convert.ToBase64String(plainTextBytes);
        }
    }
}


```
<?php
$accessId = "1500001048";
$secretKey = "1452fcebae9f3115ba794fb0fff2fd73";
$timeStamp = "1565314789";
$requestBody = "{\\"audience_type\\": \\"account\\",\\"message\\": {\\"title\\": \\"test title\\",\\"content\\": \\"test content\\",\\"android\\": { \\"action\\": {\\"action_type\\": 3,\\"intent\\": \\"xgscheme://com.xg.push/notify_detail?param1=xg\\"}}},\\"message_type\\": \\"notify\\",\\"account_list\\": [\\"5822f0eee44c3625ef0000bb\\"] }";
$hashData = "{$timeStamp}{$accessId}{$requestBody}";
echo "reqBody: " . $hashData . "\\n";
//获取 sha256 and hex 结果
$hashRes = hash_hmac("sha256", $hashData, $secretKey, false);
//进行 base64
$sign = base64_encode($hashRes);
echo $sign . "\\n";
?>
```