Apple Inc.
Providing obfuscated user identifiers for managing user-specific application state on multiuser devices

Abstract:

A device implementing a system for associating a profile with an active user account includes a processor configured to receive, from an application running on a device, a request to identify an active user account on the device. The processor is further configured to generate, in response to the request, a unique identifier corresponding to the active user account on the device, the unique identifier being distinct from a user account identifier of the active user account. In addition, the processor is configured to provide the unique identifier to the application for differentiation, by the application, of the active user account on the device relative to at least one other account on the device.