我重新下载了推送生产证书并将其从钥匙串导出为 .p12.这似乎解决了问题.尽管错误的私钥给了我无效令牌"错误，但这似乎很奇怪.

I re-downloaded the push production certificate and exported it from the keychain as .p12. This seems to have solved the problem. It seems strange though that a bad private key was giving me the "Invalid Token" error.