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53 lines
1.7 KiB
PHP
53 lines
1.7 KiB
PHP
<?php
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// +----------------------------------------------------------------------
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// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2006-2014 http://thinkphp.cn All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
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// +----------------------------------------------------------------------
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// | Author: liu21st <liu21st@gmail.com>
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// +----------------------------------------------------------------------
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namespace Think;
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/**
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* 加密解密类
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*/
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class Crypt {
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private static $handler = '';
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public static function init($type=''){
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$type = $type?:C('DATA_CRYPT_TYPE');
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$class = strpos($type,'\\')? $type: 'Think\\Crypt\\Driver\\'. ucwords(strtolower($type));
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self::$handler = $class;
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}
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/**
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* 加密字符串
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* @param string $str 字符串
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* @param string $key 加密key
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* @param integer $expire 有效期（秒） 0 为永久有效
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* @return string
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*/
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public static function encrypt($data,$key,$expire=0){
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if(empty(self::$handler)){
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self::init();
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}
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$class = self::$handler;
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return $class::encrypt($data,$key,$expire);
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}
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/**
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* 解密字符串
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* @param string $str 字符串
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* @param string $key 加密key
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* @return string
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*/
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public static function decrypt($data,$key){
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if(empty(self::$handler)){
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self::init();
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}
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$class = self::$handler;
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return $class::decrypt($data,$key);
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}
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} |