几种PHP对称加密解密源码
288人浏览 2023-11-10 16:40:06
最近搞一点东西要用到对称加密,于是在网上找到一个不错的对称加密方法,分享给大家。
/**
* 简单对称加密算法之加密
* 资源宝分享:www.httple.net
* @param String $string 需要加密的字串
* @param String $skey 加密EKY
* @return String
*/
function encode($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 $skey 解密KEY
* @return String
*/
function decode($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('', $strArr));
}
echo '<pre>';
echo "encode : " . ($enstring = encode($str)) . '<br />';
echo "decode : " . decode($enstring);
die();
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