I am working on a app where a encryption key is saved into the secure enclave. So my question is if this data is also shared with the app extensions, ie Siri / Notification Center widget / Watch App?
I tested this using an App Group
shared between the app and the app extension. Following the instructions in Sharing Access to Keychain Items Among a Collection of Apps
SecItemCopyMatching
will return an item saved by the app (with kSecAccessControlBiometryCurrentSet
set) and queried for within the extension. So it appears the answer is yes.
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