Returning champion Martin Albrecht joins us to help explain how we measure the security of lattice-based cryptosystems like Kyber and Dilithium against attackers. QRAM, BKZ, LLL, oh my!
Transcript: https://securitycryptographywhatever.com/2023/11/13/lattice-attacks/
Links:
- https://pq-crystals.org/kyber/index.shtml
- https://pq-crystals.org/dilithium/index.shtml
- https://eprint.iacr.org/2019/930.pdf
- https://en.wikipedia.org/wiki/Short_integer_solution_problem
- Frodo: https://eprint.iacr.org/2016/659
- https://csrc.nist.gov/CSRC/media/Events/third-pqc-standardization-conference/documents/accepted-papers/ribeiro-saber-pq-key-pqc2021.pdf
- https://en.wikipedia.org/wiki/Hermite_normal_form
- https://en.wikipedia.org/wiki/Wagner%E2%80%93Fischer_algorithm
- https://www.math.auckland.ac.nz/~sgal018/crypto-book/ch18.pdf
- https://eprint.iacr.org/2019/1161
- QRAM: https://arxiv.org/abs/2305.10310
- https://en.wikipedia.org/wiki/Lenstra%E2%80%93Lenstra%E2%80%93Lov%C3%A1sz_lattice_basis_reduction_algorithm
- MATZOV improved dual lattice attack: https://zenodo.org/records/6412487
- https://eprint.iacr.org/2008/504.pdf
- https://eprint.iacr.org/2023/302.pdf
"Security Cryptography Whatever" is hosted by Deirdre Connolly (@durumcrustulum), Thomas Ptacek (@tqbf), and David Adrian (@dadrian)
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