代码初始化

extend/Yzh/Utils/Hmac.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace Yzh\Utils;
+
+class Hmac
+{
+    protected $mode = "sha256";
+    protected $app_key;
+
+    /**
+     * @param string $appKey
+     */
+    public function __construct($appKey)
+    {
+        $this->app_key = $appKey;
+    }
+
+    /**
+     * @param string $data
+     * @param string $key
+     */
+    public function sign($data): string
+    {
+        return hash_hmac($this->mode, $data, $this->app_key);
+    }
+
+    public function verify($data, $sign)
+    {
+        return $this->sign($data) == $sign;
+    }
+}