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diyism/gist:3f21b53d4b716ec53d0a

Last active September 22, 2015 16:42
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Revisions

  1. diyism revised this gist Apr 14, 2015. No changes.
  2. diyism created this gist Apr 14, 2015.
    69 changes: 69 additions & 0 deletions gistfile1.php
    View file
    Original file line number Diff line number Diff line change
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    <?php
    echo 'unsign:<br>';
    $base64='SFb+9uIIyCsmnqEfRl8zAhNU/E1tAPhISDC+bL9isqssivFWCHKZ3qqop/2c9M055H4=';
    //$base64='GicrJfhqvKUCol1jsnhIZM2H/UQa8ZtGIs2HvZsnCDziSSIPKbo3QJEd7qvPwFJMOEs=';
    //$base64='GykqJiswalge36/EHThFZfZOk0UbaRoUNiIBtyDZKQj2s7fdlSV5VrFDlSjETOvwg0s=';
    echo 'base64: '.$base64.'<br>';
    $str=base64_decode($base64);
    echo 'mixed hex: '.bin2hex($str).'<br>';

    $tmp=ord(substr($str, 1, 1))-36;
    if (($tmp)%3==0) {$s=$tmp;}
    if (($tmp-1)%3==1) {$s=$tmp-1;}
    if (($tmp-2)%3==2) {$s=$tmp-2;}
    $i=ord(substr($str, floor($s/10)+17+1+2, 1))-18-$s%12;
    $h=ord(substr($str, floor($s/10)+17+2, 1))-48-$s%9;
    $d=ord(substr($str, $i%10+7+1+2, 1))-84-$s%6;
    $y1=20; $y2=15; $m='04';
    $str_time="$y1$y2-$m-$d $h:$i:$s";
    echo 'str_time: '.$str_time.'<br>';

    $time_crypt=substr($str, 2, floor($i/10))
    .substr($str, floor($i/10)+1+2+1, $i%10+7+2-(floor($i/10)+1+2)-1)
    .substr($str, $i%10+7+1+2+1, floor($s/10)+17+2-($i%10+7+1+2)-1)
    .substr($str, floor($s/10)+17+1+2+1, $s%10+24+2-(floor($s/10)+17+1+2)-1)
    .substr($str, $s%10+24+1+2+1)
    .'<br>';
    echo 'crypted hex: '.bin2hex($time_crypt).'<br>';
    $time_bin=chr($y1+22+$s%2).chr($y2+22+$s%3).chr($m+65+$s%4).chr($d+84+$s%6).chr($h+48+$s%9).chr($i+18+$s%12).chr($s+36+$s%3).chr(8);
    $decrypt=mcrypt_decrypt(MCRYPT_DES, $time_bin, $time_crypt, MCRYPT_MODE_ECB);
    echo 'decrypt:'.bin2hex($decrypt).'<br><br>';


    function sign($str_time)
    {
    $key='x^z324_client_android';
    $time=strtotime($str_time);
    $y=date('Y', $time);
    $y1=substr($y, 0, 2);
    $y2=substr($y, 2, 2);
    $m=date('m', $time);
    $d=date('d', $time);
    $h=date('H', $time);
    $i=date('i', $time);
    $s=date('s', $time);
    $time_bin=chr($y1+22+$s%2).chr($y2+22+$s%3).chr($m+65+$s%4).chr($d+84+$s%6).chr($h+48+$s%9).chr($i+18+$s%12).chr($s+36+$s%3).chr(8);
    $content=str_pad($key, 32, "\0", STR_PAD_RIGHT).str_repeat("\x08", 8);
    $time_crypt=@mcrypt_encrypt(MCRYPT_DES, $time_bin, $content, MCRYPT_MODE_ECB);
    echo 'crypted hex: '.bin2hex($time_crypt).'<br>';
    $rtn=substr($time_bin, 5, 2).substr($time_crypt, 0, floor($i/10));
    $poss=array(floor($i/10), floor($i/10)+1, $i%10+7, $i%10+7+1, floor($s/10)+17, floor($s/10)+17+1, $s%10+24, $s%10+24+1);
    foreach ($poss as $i=>$p)
    {
    $rtn{$p+2}=$time_bin{$i};
    if ($i<=6)
    {
    $rtn=$rtn.substr($time_crypt, $poss[$i]-$i, $poss[$i+1]-$poss[$i]-1);
    }
    }
    $rtn=$rtn.substr($time_crypt, $s%10+18);
    echo 'mixed hex: '.bin2hex($rtn).'<br>';
    $rtn=base64_encode($rtn);
    return $rtn;
    }

    echo 'sign:<br>';
    echo 'str_time:'.$str_time.'<br>';
    $rtn=sign($str_time);
    echo 'signed:'.$rtn."<br><br>";
    ?>