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How to create an APNS certificate in .p12 format on Mac March 2016.

This tutorial requires that you use a Mac computer and that you have a valid Apple developer account.

1. Log in to Apple’s Developer Member Center Open the Safari browser, enter and open this URL in the address bar: https://developer.apple.com/membercenter/index.action, and then log in with your developer account.

Select and click on Certificates, Identifiers & Profiles. After opening, select the All subcategory above the Certificates category in the list on the left, and the following interface will appear:

apns-01.png Then click the + icon in the upper right to create a new certificate (shown by the red arrow).

1. Select the certificate example, Sandbox or Productuon Select the Apple Push Notification service SSL (Sandbox) or Apple Push Notification service SSL (Sandbox & Production) type certificate according to your needs. Then click Inherit. To be careful here, it is very important to choose the correct type of certificate:

A Device Token generated by an App signed with the Development Provisioning Profile can only be used in conjunction with the Sandbox APNS Server (for development environment testing).

The Device Token generated by an App signed with AdHoc Provisioning Profile or AppStore Provisioning Profile can only be used in conjunction with Production APNS Server (for production environment publishing).

remind: Some users have reported problems when using a two-in-one push certificate (Apple Push Notification service SSL (Sandbox & Production), new) when pushing in a debug test environment.

apns-03.png 3.Select your corresponding App ID Conditions: You must first create the App ID used by your App, and select your corresponding App ID in the App ID drop-down option. Click the Continue button to continue.

apns-02.png 4. View the relevant step information for creating a certificate signature request Check out information on how to create a CSR file. Click Continue.

apns-04.png This page has detailed information on how to create a CSR file step by step. Below we will create a CSR file step by step.

1. Open the keychain access program Open the Keychain Access App of other groups in Launchpad, which is the keychain access program.

apns-05.png 6. Create a certificate signing request file Click on the Keychain Access program's menu bar Select Certificate Assistant submenu Select Request a Certificate from a Certificate Authority... sub-submenu

apns-06.png 7. Fill in the certificate signing request file details Enter your email address. For safety and insurance purposes, it is best to fill in the email address corresponding to your Apple developer account. Then enter a frequently used title. It is better to choose the save to disk option. Finally click Continue.

apns-07.png 8. Save the certificate signing request file to disk Select a storage location and enter a file name of your choice Click save

apns-08.png 9. Complete the certificate signing request file creation Indirect click complete

apns-09.png 10. Upload the correct signature request file Continue back to the browser interface after step 4 Select Choose File... to upload In the pop-up file open dialog box, locate the directory where the certificate signature request file was just stored, and select to open the CSR file. Click to continue

apns-10.png 11. Download the certificate file After continuing with the previous step, your certificate should have been generated. Click the download button to download the certificate Open the downloaded certificate file and it will usually be opened automatically using the keychain access program.

apns-11.png 12. Find the certificate and private key Find the certificate you just opened and imported in the Keychain Access program Then click the right triangle to expand the certificate and display the corresponding private key.

apns-12.png 13. Export private key file Select only the private key department under the corresponding certificate Right click on the private key section Click the Export common names menu in the pop-up selection box

apns-13.png 14. Save the exported private key file Select a storage location and enter your preferred private key file name Format selection.p12 format Click to save

apns-14.png 15. Configure optional password protection for .p12 files If necessary, you can set a protection password for the stored .p12 file. Then click OK, or click OK without setting a password.

apns-15.png Complete merits You now have a file in .p12 format that contains the private key for establishing SSL/TLS secure communication with Apple's APNS server. You can upload the .p12 file to your push server and configure it for use.