A device, such as a smartphone, authenticates a user by displaying an image and requiring them to tap specific parts of it in a predefined sequence on its touchscreen. If the tapped sequence matches a stored reference, the user gains access to device functions or a mobile application.
Why it matters: Filed before the widespread integration of secure hardware modules in mobile devices. The claims describe a software-based authentication method that could now leverage these modules for enhanced security and resistance to tampering.
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