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删除部分org类库

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thinkphp
2015-12-10 13:59:50 +08:00
parent fde9141736
commit 9f0ee6acbb
3 changed files with 0 additions and 383 deletions
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90
library/org/crypt.php
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@@ -1,90 +0,0 @@
<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006~2015 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st <liu21st@gmail.com>
// +----------------------------------------------------------------------
namespace org;
class Crypt
{
/**
* 加密字符串
* @access public
*
* @param $data
* @param string $key 加密key
* @param int $expire
*
* @return string
* @internal param string $str 字符串
*/
public static function encrypt($data, $key, $expire = 0)
{
$key = md5($key);
$data = base64_encode($data);
$x = 0;
$len = strlen($data);
$l = strlen($key);
$char = '';
for ($i = 0; $i < $len; $i++) {
if ($x == $l) {
$x = 0;
}
$char .= substr($key, $x, 1);
$x++;
}
$str = sprintf('%010d', $expire ? $expire + time() : 0);
for ($i = 0; $i < $len; $i++) {
$str .= chr(ord(substr($data, $i, 1)) + (ord(substr($char, $i, 1))) % 256);
}
return str_replace('=', '', base64_encode($str));
}
/**
* 解密字符串
* @access public
*
* @param $data
* @param string $key 加密key
*
* @return string
* @internal param string $str 字符串
*/
public static function decrypt($data, $key)
{
$key = md5($key);
$x = 0;
$data = base64_decode($data);
$expire = substr($data, 0, 10);
$data = substr($data, 10);
if ($expire > 0 && $expire < time()) {
return '';
}
$len = strlen($data);
$l = strlen($key);
$char = $str = '';
for ($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, $i, 1)));
}
}
return base64_decode($str);
}
}