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includes/lib/Aes.php

@@ -0,0 +1,38 @@
+<?php
+namespace lib;
+
+/**
+* AES128加解密类
+* @author dy
+*
+*/
+class Aes
+{
+//密钥
+private $_secrect_key;
+
+public function __construct()
+{
+$this->_secrect_key = md5(SYS_KEY);
+}
+
+/**
+* 加密方法
+* @param string $string
+* @return string
+*/
+public function encrypt($string)
+{
+return base64_encode(mcrypt_encrypt(MCRYPT_RIJNDAEL_256, md5($this->_secrect_key), $string, MCRYPT_MODE_CBC, md5(md5($this->_secrect_key))));
+}
+
+/**
+* 解密方法
+* @param string $string
+* @return string
+*/
+public function decrypt($string)
+{
+return rtrim(mcrypt_decrypt(MCRYPT_RIJNDAEL_256, md5($this->_secrect_key), base64_decode($string), MCRYPT_MODE_CBC, md5(md5($this->_secrect_key))), "12");
+}
+}