thinkphp怎么加密url参数
答案:1 悬赏:80 手机版
解决时间 2021-03-03 02:05
- 提问者网友：眉目添风霜
- 2021-03-02 03:27
thinkphp怎么加密url参数
最佳答案
- 五星知识达人网友：山有枢
- 2021-03-02 03:58
function think_encrypt($data, $key = '', $expire = 0) {
$key = md5(empty($key) ? C('DATA_AUTH_KEY') : $key);
$data = base64_encode($data);
$x = 0;
$len = strlen($data);
$l = strlen($key);
$char = '';
for ($i = 0; $i < $len; $i++) {
if ($x == $l) $x = 0;
$char .= substr($key, $x, 1);
$x++;
}
$str = sprintf('%010d', $expire ? $expire + time():0);
for ($i = 0; $i < $len; $i++) {
$str .= chr(ord(substr($data, $i, 1)) + (ord(substr($char, $i, 1)))%256);
}
return str_replace(array('+','/','='),array('-','_',''),base64_encode($str));
}
function think_decrypt($data, $key = ''){
$key = md5(empty($key) ? C('DATA_AUTH_KEY') : $key);
$data = str_replace(array('-','_'),array('+','/'),$data);
$mod4 = strlen($data) % 4;
if ($mod4) {
$data .= substr('====', $mod4);
}
$data = base64_decode($data);
$expire = substr($data,0,10);
$data = substr($data,10);
if($expire > 0 && $expire < time()) {
return '';
}
$x = 0;
$len = strlen($data);
$l = strlen($key);
$char = $str = '';
for ($i = 0; $i < $len; $i++) {
if ($x == $l) $x = 0;
$char .= substr($key, $x, 1);
$x++;
}
for ($i = 0; $i < $len; $i++) {
if (ord(substr($data, $i, 1))<ord(substr($char, $i, 1))) {
$str .= chr((ord(substr($data, $i, 1)) + 256) - ord(substr($char, $i, 1)));
}else{
$str .= chr(ord(substr($data, $i, 1)) - ord(substr($char, $i, 1)));
}
}
return base64_decode($str);
}
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