this post was submitted on 15 Dec 2024
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Privacy
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Everything about privacy (the confidentiality pillar of security) -- but not restricted to infosec. Offline privacy is also relevant here.
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GmsCompatConfig is the text-based configuration for the GrapheneOS sandboxed Google Play compatibility layer. It provides a large portion of the compatibility shims and sets the maximum supported versions for Play services and the Play Store.
@[email protected] I wondered what that was.
@[email protected] It's simply this text file inside of a signed APK marked as hasCode="false" as a secure way to distribute updates for it with signing:
https://github.com/GrapheneOS/platform_packages_apps_GmsCompat/blob/config-152/gmscompat_config
Vanadium Config is a similar system for distributing Vanadium content filters and feature flags inside of a signed hasCode="false" APK.
@[email protected] gotcha. If I tried to play with something like that, I’d blow it up, but it’s awesome to know what it does.