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Securing User Interaction Channels On Mobile Platform Using Arm Trustzone, Amit Ahlawat
Securing User Interaction Channels On Mobile Platform Using Arm Trustzone, Amit Ahlawat
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Smartphones have become an essential part of our lives, and are used daily forimportant tasks like banking, shopping, and making phone calls. Smartphones provide several interaction channels which can be affected by a compromised mobile OS. This dissertation focuses on the user interaction channels of UI input and audio I/O. The security of the software running on smartphones has become more critical because of widespread smartphone usage. A technology called TEE (Trusted Execution Environment) has been introduced to help protect users in the event of OS compromise, with the most commonly deployed TEE on mobile devices being ARM TrustZone.
This …