Apple Web 推送通知签名。什么是中级证书?

Apple Web Push Notification Signing. What is intermediate certificate?

我正尝试按照说明为 Apple Web 推送通知签署我的推送包

Apple Web Notification

Signature 部分,它说要使用 web 推送证书的私钥进行签名(可从 MAC 钥匙串获得),但它也说它需要由 [=11= 签名] 还有。

这个中级证书在哪里可以得到?

Developers who provide passes for Apple Wallet, deliver Safari Push Notifications, create Safari Extensions or submit apps to the App Store, Mac App Store, or App Store for Apple TV need to download the renewed certificate

你需要 Apple Worldwide Developer Relations Intermediate Certificate which you can directly download here here