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DTSTAMP:20260402T024533Z
LOCATION:Level 2 Lobby
DTSTART;TZID=America/Los_Angeles:20250623T180000
DTEND;TZID=America/Los_Angeles:20250623T190000
UID:dac_DAC 2025_sess287_LBR117@linklings.com
SUMMARY:Late Breaking Results: The Hidden Risks of Activation Duration in 
 PLPUFs
DESCRIPTION:Mohamen Alsharkawy, Jan Zwerschke, Hassan Nassar, Jeferson Gon
 zalez-Gomez, and Joerg Henkel (Karlsruhe Institute of Technology)\n\nThe s
 ecurity of Internet of Things (IoT) devices is crucial to protect the vast
  amounts of data exposed due to their widespread adoption. Authentication 
 is one of the key aspects of IoT security, but it becomes increasingly cha
 llenging, especially for resource-constrained devices that require lightwe
 ight and efficient solutions. Physical Unclonable Functions (PUFs) have em
 erged as a promising lightweight solution by using the unique physical pro
 perties of Integrated Circuits (ICs). Pseudo Liner Feedback Shift Register
  PUF (PLPUF) is one of the state-of- the-art implementations known for its
  flexibility in altering the challenge-response space by changing the acti
 vation duration. In this work, we demonstrate that selecting an appropriat
 e activation duration for PLPUF is critical, as improper choices can compr
 omise security. By analyzing the linear dependency between the responses o
 f different PLPUF pairs, our results reveal that predictability can reach 
 up to 96% when an unsuitable activation duration is chosen\n\n
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