Вы можете получить Аппаратный UUID с IOKit
func hardwareUUID() -> String?
{
let matchingDict = IOServiceMatching("IOPlatformExpertDevice")
let platformExpert = IOServiceGetMatchingService(kIOMasterPortDefault, matchingDict)
defer{ IOObjectRelease(platformExpert) }
guard platformExpert != 0 else { return nil }
return IORegistryEntryCreateCFProperty(platformExpert, kIOPlatformUUIDKey as CFString, kCFAllocatorDefault, 0).takeRetainedValue() as? String
}