# Obtaining a Certificate Name for Signing a Protected Application

This topic describes how to obtain a certificate name that you can use to sign a protected application with your Apple Developer ID.

## Prerequisites

>Developer tools (Xcode) must be installed on the machine.

>Your Apple Developer ID certificate must be installed in your Keychain.

>Thales recommends that you turn off code signing in your build steps inside your Xcode project.

## How to obtain a certificate name

Perform the steps below to obtain the name of a certificate in order to manually sign an application after you protect it with Envelope.

1.Determine the name/identifier of your Developer ID certificate in the Keychain Access Manager:

2.Display the details of this certificate and copy the name from the Common Name field:

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For more information about the codesign tool, refer to the manpage (man codesign) and the "Code Signing Guide" available at: http://developer.apple.com

### Related Topics

Signing and Notarizing a Protected Application