certificate expiration date

Each X.509 certificate published by the primary server has an expiration date.

由主服务器发布的每个X . 509证书都有一个有效期。

When its expiration date passes, the digital certificate must be replaced.

当它到达有效期后，必须更换数字证书。

This includes checking the expiration date of the certificate, verifying the signature, and deciding whether credentials presented by the peer should be accepted.

它包括了检查确认的过期时间，确认签名，并决定对等者呈现的权限是否应该接受。