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Relocate-Vote: Using Sparsity Information to Exploit Ciphertext Side-Channels

by Yuqin Yan, Wei Huang, Ilya Grishchenko, Gururaj Saileshwar, Aastha Mehta and David Lie
Reference:
Yuqin Yan, Wei Huang, Ilya Grishchenko, Gururaj Saileshwar, Aastha Mehta and David Lie, “Relocate-Vote: Using Sparsity Information to Exploit Ciphertext Side-Channels”, In Proceedings of the 34th USENIX Security Symposium, 2025. (Project Summary, AMD Security Bulletin describing our findings.)
Bibtex Entry:
@string{usenixsec25="Proceedings of the 34th USENIX Security Symposium"}
@inproceedings{yany:sec2025:relocate_vote,
  author = {Yuqin Yan and Wei Huang and Ilya Grishchenko and Gururaj Saileshwar and Aastha Mehta and David Lie},
  title = {Relocate-Vote: Using Sparsity Information to Exploit Ciphertext Side-Channels},
  booktitle = USENIXSEC25,
  year = {2025},
  month = aug,
  address = {Seatle, WA, USA},
  publisher = {USENIX Association},
  url = {https://security.csl.toronto.edu/wp-content/uploads/2025/08/yyan_sec2025_relocatevote.pdf},
  note = {(Acceptance 407/2385: 17.1\%)},
  comment = {<a href="https://relocatevote.org">Project Summary</a>, <a href="https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3021.html">AMD Security Bulletin</a> describing our findings.}
}