Once you have done all of this, anything signed with your certificate can be guaranteed to come from you. cer file), you add it to your keychain so that it’s available to Xcode and the build process. When you receive your certificate (in the form of a. Recall that when you signed up for your Apple ID, you gave them your credit card information or your Dun and Bradstreet number if you signed up as a corporation. The resulting certificate guarantees that you know Apple and they know you (or your team). You then upload the request to where you can turn that request into a certificate. This creates the public and private keys that will identify your certificate. To create a signing certificate you first create a Certificate Signing Request using the keychain Access app on your Mac. Also note that even if you sign up as an Apple developer as an individual, you will still have both a developer and a team identifier (both these identifiers are short hex strings). Both certificates are useful, but only the distribution certificate can be used to sign apps intended for the App Store. A distribution certificate contains your team identifier and identifies your team. A development certificate identifies you as a developer and contains your developer identifier. There are two flavors of signing certificate – development and distribution. But the devil is in the details and now we need to look at each piece of the provisioning puzzle in greater detail. That’s all the major players in the provisioning drama. For internal development and Ad Hoc distribution, it may also contain the list of devices where the app may be tested or distributed. Each profile declares links to one of your App IDs and declares whether a particular build is destined for internal development, Ad Hoc distribution, or release distribution through the store. The App ID links your signing certificate with your app (identified by its bundle ID).įinally, you create one or more Provision Profiles. Then for each application or app extension, you create an App ID. This process links the Apple Certificate Authority and you (or your team) in the creation of your signing certificate. The gist is that you create a public/private key set on your development computer that you give to Apple. The process for doing this is explained completely in the Apple documentation. The Signing Certificate guarantees that you are you and that Apple knows about you. One of the first things you do as an iOS developer is to create a Signing Certificate. App Store Connect is the gateway to the Apple store. There are other certificate authorities, but Apple is the only authority that will allow you to push your app to App Store Connect (previously iTunes Connect). We’ll run through it quickly to establish a mental map and then come back to discuss each piece in greater detail.Īt the top, you’ll see the Apple Certificate Authority. This is a high-level view of all the pieces in the chain with no detail at all. This chain of authority contributes to the stability for which iPhones and iPads are known. In order to accomplish this, they have set up a chain of authority (not unlike the chain of custody for evidence) that links Apple (as the certificate authority) link by link to your compiled application. Determine whether code is trustworthy for a specific purpose.Identify code as coming from a specific source (a developer or signer).Ensure that a piece of code has not been altered since it was signed.To that end, they want to make sure they can: The reason is that Apple wants to provide a safe and stable experience for the end user. You might be wondering why iOS apps need provisioning in the first place. I assume that you want to set up provisioning for your app and that you have spent at least a little time with Xcode (check out my other piece on tweaking Xcode to simplify your build scripts) doing iOS development and are comfortable using your Mac for development. I hope to provide that information with this post. And certainly doesn’t tell you how it fits into the larger picture of iOS app provisioning. It tells you how to create a single piece of the puzzle, but it doesn’t tell you why you need it. Most of the documentation for iOS certification and provisioning is like that. The guy with the leg thinks the elephant is like a tree. The guy with the tail thinks an elephant is like a rope. Each of the blind men grabs a different part of the elephant. You’ve probably heard the story of the blind men and the elephant.
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