init

app/controller/HMACMD5.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace app\controller;
+
+class HMACMD5
+{
+
+
+    public function HMAC($data)
+    {
+        $key = strToUtf8(config('hard.SigSecret'));
+        $data = strToUtf8($data);
+
+        $b = 64; // byte length for md5
+        if (strlen($key) > $b) {
+            $key = pack("H32", md5($key));
+        }
+        $key = str_pad($key, $b, chr(0x00));
+        $ipad = str_pad('', $b, chr(0x36));
+        $opad = str_pad('', $b, chr(0x5c));
+        $k_ipad = $key ^ $ipad;
+        $k_opad = $key ^ $opad;
+
+        return strtoupper(md5($k_opad . pack("H32", md5($k_ipad . $data))));
+    }
+}
+
+function strToUtf8($str)
+{
+    $encode = mb_detect_encoding($str, array("ASCII", 'UTF-8', "GB2312", "GBK", 'BIG5'));
+    if ($encode == 'UTF-8') {
+        return $str;
+    } else {
+        return mb_convert_encoding($str, 'UTF-8', $encode);
+    }
+}