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App Development

General

How to Generate a Push Certificate and Export It to a PEM File

Push notifications are essential when it comes to user engagement with your mobile app, and doing so in a noninvasive way can go a long way to making your app more successful. This tutorial will show you how to generate the certificate necessary to send push notifications through your iOS app.

First, go to your Apple Developer page and login.

push certificate .pem

After being redirected to the following screen you’ll want to Click on Certificates, Identifiers & Profiles.

push certificate .pem

Now let's go through the steps that will allow you to generate the .PEM file.

Click on the + button in the upper right-hand corner.

push certificate .pem

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Select from the options “Apple Push Notification service SSL (Production)” and then click Continue.

push certificate .pem

Now, from the App ID drop down list, select the app you want to generate the certificate for then click Continue.

push certificate .pem

Follow the instructions under “Create a CSR file” for creating a Certificate Signing Request.

push

To help you navigate the steps provided by Apple, here are a few step screenshots to help you create a CSR file.

On your Mac open the folder Applications > Utilities > launch Keychain Access. From the Keychain Access menu, select Certificate Assistance > Request a Certificate From a Certificate Authority.

push certificate .pem

Fill out the required certificate information. Under “Request is” select Saved to disk and then click Continue to create.

push certificate .pem

After generating, go back to upload the  “.certSigningRequest” file, then click Generate.

push certificate .pem

Click on Done to finish the registration process. As a result the page will be refreshed and you'll see the certificate:

push certificate .pem

Click on the Download button in order to download the certificate you’ve just created. After downloading the .CER file, open it to install the certificate into Keychain Access on your Mac.

Now, go back to Keychain Access on your Mac, you will find the certificate you have just installed. The certificate will be shown with “Apple Production iOS Push Services” and will be followed by your app’s bundleID.

push certificate .pem

Expand the certificate. In it you should see the private key with either your name or your company name. Select both items, right click, and choose Export 2 items, as shown below:

push certificate .pem

You will have the option to save the .p12 file. Name the file “pushcert.p12″ and save to your Desktop for convenience.

push certificate .pem

Easy so far? Great! Now for the tough part.

Open Terminal on your Mac, and run the following commands


All done! Just one final step to avoid any confusion.

Remove pushcert.p12 from your Desktop to avoid mis-uploading it to the Build Your Own area. Just open Terminal on your Mac, and run the following commands:


OK! You've successfully generated a .PEM file. Now you can send your app users a push notification every time you reply to them through Instabug.

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