Resolve the issue of the iOS development certificate "the issuer of this certificate is invalid"

Objective

Hey, every time after the festival must have a pit for their own jump. Can't escape this talons.

This is not, one after the spring festival, come back to find a company certificate appears "invalid issuer of this certificate".

Problem reason

After a search, Apple officials gave an answer.

The bringing this to the attention of the community and apologies for the issues your ' ve been. This issue stems from has a copy of the expired WWDR Intermediate certificate in both your System and Login keychains. To resolve the issue, for you should a download and install the new WWDR Intermediate certificate (by double-clicking on T He file). Next, in the Keychain Access application, select the System keychain. Make sure to select ' Show expired Certificates ' in the View menu and then delete the expired version of the Apple Worldwid E Developer Relations Certificate Authority Intermediate certificate (expired on February 14, 2016). Your certificates should now appear as valid in Keychain Access and is available to Xcode for submissions to the app Store .

This appears to be due to the expiration of the Apple System's security certificate.

Apple reminded developers to use the new certificate as early as one months ago. If developers do not update in time, not only will affect their own development work, but also may cause trouble to users. This announcement is for developers who develop apps that are related to Apple Wallet, Safari Push Center, or safari plug-ins. Apple also said in a notice that developers need to update their security certificates before the end of February 14, 2016. After the update, the next expiration period for the security certificate is February 2023.

Solutions

Now that you know the reason, then you can prescribe the right remedy. We download the latest security certificate from Apple and double-click the installation.

Then open the keychain, click on the navigation bar, select Display-Show expired certificates

Select Login-All items

Enter Apple W under the search bar

Delete the corresponding expired security certificate