Resolving Conflicts Between RTOS Timekeeping and Uninterruptable Trusted Computing

Antonio Joia Neto, Amarin Laohajirapan, Norrathep Rattanavipanon +1

Trusted Execution Environments (TEEs) on low-power microcontrollers (e.g., ARM TrustZone-M) enable isolation of Secure and Non-Secure software but still require both worlds to shar…