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DTSTART;TZID=America/Los_Angeles:20260728T125400
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UID:dac_DAC 2026_sess315_RESEARCH3042@linklings.com
SUMMARY:BREW-RC: Bit-exact Recovery of ECCs from Write Timing in ReRAM Cro
 ssbars
DESCRIPTION:Tyler Sheaves (University of California, Santa Cruz); Alric Al
 thoff (ARM); and Dustin Richmond (University of California, Santa Cruz)\n\
 nWe present BREW-RC, a non-invasive technique that uses a timing side chan
 nel to reverse engineer error-correcting codes (ECCs) in ReRAM crossbar me
 mories. ECCs use a parity submatrix to extend data words with parity bits,
  forming codewords. These parity bits cannot be read directly, but BREW-RC
  reveals them by using write latency variability to determine the aggregat
 e polarity of codeword transitions. Timing perturbations caused by ECC par
 ity bit updates are encoded as a SAT instance whose solution yields the bi
 t-exact parity matrix. Knowledge of the parity matrix enables: (1) improve
 d timing models for side-channel attacks/mitigations and latency-sensitive
  applications, and (2) ECC-aware reliability characterization of devices w
 hose error correction capabilities are unadvertised. We demonstrate BREW-R
 C on two commercial ReRAM products, recovering the complete ECC from multi
 ple samples of each.\n\nTopics: Quantum\n\nTrack: DES6. Quantum Computing,
  Systems\n\nSession Chairs: Hokeun Kim (Arizona State University); BaekGyu
  Kim (Daegu Gyeongbuk Institute of Science and Technology); Xiang Chen (Pe
 king University); Sangyeob Kim (Yonsei University); Robert M. Radway (Univ
 ersity of Pennsylvania); Prashanth Mohan (University of Pittsburgh); Xiaox
 uan Yang (University of Virginia, Stanford University); Ramtin Zand (Unive
 rsity of South Carolina); Hadi Kamali (University of Central Florida); Jia
 feng Xie (Villanova University); Prabuddha Chakraborty (University of Main
 e); Junichiro Kadomoto (University of Tokyo); and Yosuke Ueno (RIKEN)\n\n
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