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DTSTAMP:20250625T183019Z
LOCATION:Level 3 Lobby
DTSTART;TZID=America/Los_Angeles:20250622T180000
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UID:dac_DAC 2025_sess261_RESEARCH2078@linklings.com
SUMMARY:MTrace : Trusted logging using ARM DWT on embedded devices
DESCRIPTION:Dong Kyun Yang (Chungnam National University), Seyoung Baik an
 d Sangwook Lee (The Affiliated Institute of ETRI), and Jinsoo Jang (Chungn
 am National University)\n\nData logging is crucial for forensic analysis a
 nd diagnostics in embedded systems. However, it must remain efficient and 
 reliable despite resource constraints and vulnerabilities. This paper intr
 oduces Trace, a framework utilizing the Data Watchpoint and Trace (DWT), u
 niversally available in the ARMv7-M architecture, to build a secure loggin
 g system. By monitoring memory-mapped I/O (MMIO) interactions via \n watch
 points, MTrace collects logs and prevents tampering. We implemented MTrace
  on a drone using NuttX OS and demonstrated that it enables trustworthy lo
 gging of MMIO activities while ensuring reliable flight.\n\n
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