php数据加密
<?php
/**
* 简单对称加密算法之加密
* @param String $string 需要加密的字串
* @param String $skey 加密EKY
* @author Anyon Zou <zoujingli@qq.com>
* @date 2013-08-13 19:30
* @update 2014-10-10 10:10
* @return String
*/
class edDATE {
public function encode($string = '', $skey = 'cxphp') {
$strArr = str_split(base64_encode($string));
$strCount = count($strArr);
foreach (str_split($skey) as $key => $value)
$key < $strCount && $strArr[$key].=$value;
return str_replace(array('=', '+', '/'), array('O0O0O', 'o000o', 'oo00o'), join('', $strArr));
}
/**
* 简单对称加密算法之解密
* @param String $string 需要解密的字串
* @param String $skey 解密KEY
* @author Anyon Zou <zoujingli@qq.com>
* @date 2013-08-13 19:30
* @update 2014-10-10 10:10
* @return String
*/
public function decode($string = '', $skey = 'cxphp') {
$strArr = str_split(str_replace(array('O0O0O', 'o000o', 'oo00o'), array('=', '+', '/'), $string), 2);
$strCount = count($strArr);
foreach (str_split($skey) as $key => $value)
$key <= $strCount && isset($strArr[$key]) && $strArr[$key][1] === $value && $strArr[$key] = $strArr[$key][0];
return base64_decode(join('', $strArr));
}
}