天翼飞young算法

<?php
function encrypt($account,$password)
   {
       $account=strtoupper($account);
       $key = 'aI0fC8RslXg6HXaKAUa6kpvcAXszvTcxYP8jmS9sBnVfIqTRdJS1eZNHmBjKN28j';
       $time = time();
       $time_hex = dechex($time);
       //将时间转为4个字符
       $time_byte_one =  chr($time>>24);
       $time_byte_two =  chr($time>>16);
       $time_byte_thr =  chr($time>>8);
       $time_byte_for =  chr($time);
       $password_ascii_sum = 0;
       for ($i=0;$i<=strlen($account);$i++)
       {
           $password_ascii_sum+=ord(substr($account,$i,1));
       }
       $time_mod_pswlen = $time % strlen($password);
       $time_mod = $time_mod_pswlen<1?1:0+$time_mod_pswlen;
       $seed = $time_mod - ($time_mod_pswlen==strlen($password) ? 1 : 0);
       $account_last_four = sprintf('%04x',$password_ascii_sum ^ $seed);
       $split_len = $time_mod -($time_mod==strlen($password)? 1 : 0) + 1;
       $split_password_one = substr($password,0,$split_len);
       $split_password_two = substr($password,$split_len);
       $split_key_one = substr($key,0,60-strlen($split_password_one));
       $split_key_two = substr($key,0,64-strlen($account)-strlen($split_password_two));
       $md5_str = $time_byte_one.$time_byte_two.$time_byte_thr.$time_byte_for.$split_key_one.$split_password_one.$account.$split_key_two.$split_password_two;
       //MD5 原始二进制流 注意 “true” 参数
       $md5_once = md5($md5_str,true);
       $md5_twice = md5($md5_once);
       $md5_final = substr($md5_twice,0,16);
       $encrypt_account = '~ghca'.strtoupper($time_hex.'2023'.$md5_final.$account_last_four.$account);
       $array = array(
           'data'=>array(
               'type'=>'ghca',
               'id'=>$account,
               'attribute'=>array(
                   'account'=>$account,
                   'password'=>$password,
                   'encrypt'=>$encrypt_account
               )
           )
       );
       print_r($array);
   }
if ($argc != 3) {
echo "参数错误，使用方法：php GHCA.PHP 宽带用户名 宽带密码n";
exit;
}
encrypt($argv[1],$argv[2]);
?>