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Comments (2)

GDUTKiller avatar GDUTKiller commented on September 28, 2024

我写了个签名认证

$check = [];
foreach ($notify as $k => $v) {
    if ($k != 'sign') {
        $check[$k] = $v;
     }
}
ksort($check);
$str = http_build_query($check);
$str = $str  . '&key=' . config('constants.wx_mch_key');
$sign = strtoupper(md5($str));
if ($sign != $notify['sign']) {
    //签名不正确
}

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thenbsp avatar thenbsp commented on September 28, 2024

支付通知默认只验证了数据结构,没有验证签名。

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