init: import production code mss.nahaichuan.com (exclude Runtime/Uploads/backups/logs)

Install/Addons/Api/Crypto.class.php

@@ -0,0 +1,66 @@
+<?php
+namespace Addons\Api;
+class Crypto{
+    /**
+     * 数据加密
+     * @param unknown $data 原始数据
+     * @param unknown $key 密钥
+     * @return string 加密数据
+     */
+    function encrypt($data, $key)
+    {
+        $key    =   md5($key);
+        $x      =   0;
+        $len    =   strlen($data);
+        $l      =   strlen($key);
+        for ($i = 0; $i < $len; $i++)
+        {
+            if ($x == $l)
+            {
+                $x = 0;
+            }
+            $char .= $key{$x};
+            $x++;
+        }
+        for ($i = 0; $i < $len; $i++)
+        {
+            $str .= chr(ord($data{$i}) + (ord($char{$i})) % 256);
+        }
+        return base64_encode($str);
+    }
+    /**
+     * 数据解密
+     * @param unknown $data 密文
+     * @param unknown $key 加密密钥
+     * @return string 原文
+     */
+    function decrypt($data, $key)
+    {
+        $key = md5($key);
+        $x = 0;
+        $data = base64_decode($data);
+        $len = strlen($data);
+        $l = strlen($key);
+        for ($i = 0; $i < $len; $i++)
+        {
+            if ($x == $l)
+            {
+                $x = 0;
+            }
+            $char .= substr($key, $x, 1);
+            $x++;
+        }
+        for ($i = 0; $i < $len; $i++)
+        {
+            if (ord(substr($data, $i, 1)) < ord(substr($char, $i, 1)))
+            {
+                $str .= chr((ord(substr($data, $i, 1)) + 256) - ord(substr($char, $i, 1)));
+            }
+            else
+            {
+                $str .= chr(ord(substr($data, $i, 1)) - ord(substr($char, $i, 1)));
+            }
+        }
+        return $str;
+    }
+}