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php解密代码转换成c#代码

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Release: 2016-06-02 11:32:09
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phpc#

<code> function mymd5($string,$action="EN"){ //字符串加密和解密    global $webdb,$onlineip;//$webdb系统的一些配置信息,$onlineip 客户端ip 这个函数好像没有用到    $secret_string = $webdb[mymd5].'5*j,.^&;?.%#@!'; //绝密字符串,可以任意设定    //$webdb[mymd5] 可以自己设置一个字符串    if($string=="") return "";    if($action=="EN") $md5code=substr(md5($string),8,10); //动作是加密,则取明文的MD5码的 8到10位字符    else//动作是解密(DE)    {        $md5code=substr($string,-10);//取$string后10个字符        $string=substr($string,0,strlen($string)-10);//把$string倒数十个字符去掉    }    $key = md5($md5code.$secret_string);//密匙    $string = ($action=="EN"?$string:base64_decode($string));//如果动作是解密则将要解密的字符串进行MIME base64解码    $len = strlen($key);    $code = "";    for($i=0; $i<strlen .="$string[$i]^$key[$k];" : base64_encode return mymd5></strlen></code>
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