TCC records user authorization decisions, in part, based on the code signing identity of the responsible application. MacOS grants applications access to privileged resources using the TCC (Transparency, Consent, and Control) subsystem. To test an is_chrome_branded=true build locally, build with include_branded_entitlements=false or replace the contents of ist with an empty plist. If you attempt to sign an is_chrome_branded=true build locally, the app will fail to launch because certain entitlements are tied to the official Google code signing identity/certificate. An is_chrome_branded=true build produces several Distributions for the official release system. In addition, the Chromium code sign config only produces one Distribution to sign just the. Specifically, the entitlements will vary because the default chrome/app/ist omits specific entitlements that are tied to the official Google signing identity. There are slight differences between the official Google Chrome signed build and a development-signed Chromium build. Be sure that sudo security -v find-identity lists this new certificate as a valid identity. This can be done with sudo security add-trusted-cert -d -r trustRoot -k /Library/Keychains/System.keychain my_installer_cert.crt. You will need to explicitly mark the certificate as trusted. For development purposes, you must self-sign your own.ĭirections on how to create a self-signed certificate with the special Extended Key Usage extension for installer use can be found on security.stackexchange. However, Apple provides only a deployment installer certificate. Installer files require a special Installer Package Signing Certificate, which is different than a normal certificate in that it has a special Extended Key Usage extension.įor the normal identity, Apple provides both a development and a deployment certificate, and while the deployment certificate can be (and should be) carefully guarded, the development certificate can be more widely used by the development team. However, the identity used for Installer (.pkg) files is different. The above section speaks of the -identity parameter to sign_chrome.py, and how the normal development identity will do, and how a self-signed identity will not work. The -development flag skips over code signing requirements and checks that do not work without the official Google signing identity, and it injects the -task-allow that lets the app be debugged. The -disable-packaging flag skips the creation of DMG and PKG files, which speeds up the signing process when one is only interested in a signed. out/release/Chromium\ Packaging/sign_chrome.py -input out/release -output out/release/signed -identity 'MacOS Developer' -development -disable-packaging Note that a self-signed identity is incompatible with the library validation signing option that Chrome uses.Ī sample invocation to use during development would be: $ ninja -C out/release chrome chrome/installer/mac Googlers can use the internal development identity otherwise you must supply your own. In order to sign a binary, a signing identity is required. The scripts are invoked using the driver located at //chrome/installer/mac/sign_chrome.py. is_component_build = false), which you can set up in a new GN out directory with the following args: is_debug = false Signing requires a statically linked build (i.e. pkg files for distribution, and sign those resulting. This directory contains Python modules that modify the Chrome application bundle for various release channels, sign the resulting bundle, package it into.
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