Security Cryptography Whatever

We invited Mark Schultz-Wu on the podcast to talk about the history of lattice cryptography. When lattices are explained in plain english, they are actually quite simple! I don't think any of us have ever seen Deirdre so happy. If you're watching the video version, there's a section that's 6.1 minutes long with no cuts and consists just of Deirdre vigorously agreeing with what Mark is saying while smiling. What a time to be alive.
Anyway, we are hosting another happy hour in Vegas between Black Hat and DEF CON! It's sponsored by Teleport! Thank you to Teleport, and dear readers, you should go check them out. Check out our socials or the podcast site to register.
Transcript: https://securitycryptographywhatever.com/2026/07/27/lattices-with-mark-schultz-wu/
Links:
Mark's IETF Post https://mailarchive.ietf.org/arch/msg/tls/HznE1IcCjstEjhh4M1p59qX1JlQ/
NTRU https://en.wikipedia.org/wiki/NTRU
The original lattices are hard paper https://www.scirp.org/reference/referencespapers?referenceid=3401227
The original LWE for cryptography paper https://arxiv.org/abs/2401.03703
Entropic LWE https://eprint.iacr.org/2020/119
Dilithium round 3 submission: https://pq-crystals.org/dilithium/data/dilithium-specification-round3.pdf
Recent attacks on Classic McEliece: https://eprint.iacr.org/2024/1694
Lectures on post-quantum cryptography from Alfred Menezes (an originator of elliptic curve cryptography) https://www.youtube.com/@cryptography101-alfred
Falcon https://csrc.nist.gov/csrc/media/Presentations/2024/falcon/images-media/prest-falcon-pqc2024.pdf
Regev: https://cims.nyu.edu/~regev/#research
Tightness in Proofs: https://eprint.iacr.org/2016/360.pdf

"Security Cryptography Whatever" is hosted by Deirdre Connolly (@durumcrustulum), Thomas Ptacek (@tqbf), and David Adrian (@dadrian)

The dear leader has actually bleated out some not-dumb executive orders (EOs) to accelerate adoption of post-quantum crypto for the US government! This looks to be in response to a flurry of advancements in quantum computing and quantum attack algorithms a few months ago. We cram legalize into our eyeballs— plus, ECDSA.fail!

Watch on YouTube: https://www.youtube.com/watch?v=7ZwQpN_F6P8

Transcript: https://securitycryptographywhatever.com/2026/07/02/trumps-golden-post-quantum-eos
Links:
- The EO https://www.whitehouse.gov/presidential-actions/2026/06/securing-the-nation-against-advanced-cryptographic-attacks/
- CNSA2 https://media.defense.gov/2022/Sep/07/2003071836/-1/-1/0/CSI_CNSA_2.0_FAQ_.PDF
- https://media.defense.gov/2025/May/30/2003728741/-1/-1/0/CSA_CNSA_2.0_ALGORITHMS.PDF
- https://www.ecdsa.fail/
- https://blog.google/innovation-and-ai/technology/safety-security/cryptography-migration-timeline/
- https://blog.cloudflare.com/post-quantum-roadmap/
- https://blog.google/innovation-and-ai/technology/research/neutral-atom-quantum-computers/
- https://en.wikipedia.org/wiki/FedRAMP
- https://www.whitehouse.gov/presidential-actions/2026/06/ushering-in-the-next-frontier-of-quantum-innovation/
- https://blog.trailofbits.com/2026/04/17/we-beat-googles-zero-knowledge-proof-of-quantum-cryptanalysis/
- https://scottaaronson.blog/?p=9861

"Security Cryptography Whatever" is hosted by Deirdre Connolly (@durumcrustulum), Thomas Ptacek (@tqbf), and David Adrian (@dadrian)

We talk to Michał Zalewski (lcamtuf) about the vulnpocalypse and if we even need fuzzers anymore. This episode may be export controlled at a future date.
Watch on YouTube: https://www.youtube.com/watch?v=uI9CSgB4p9o
Transcript: https://securitycryptographywhatever.com/2026/06/14/facing-the-vulnpocalypse-with-lcamtuf
https://github.com/google/afl
https://www.reddit.com/r/claude/comments/1tqtenf/anthropic_said_today_that_mythos_is_coming_to_all/
https://github.com/google/clusterfuzz
https://en.wikipedia.org/wiki/Jevons_paradox
https://en.wikipedia.org/wiki/XZ_Utils_backdoor
https://en.wikipedia.org/wiki/Brighton_hotel_bombing
https://curl.se/
https://ftp.openbsd.org/pub/OpenBSD/patches/7.8/common/025_sack.patch.sig
https://www.wired.com/story/last-pass-vulnerability-password-safe/
https://nostarch.com/tangledweb
https://nostarch.com/silence.htm
https://nostarch.com/practical-doomsday
https://nostarch.com/secret-life-of-circuits
https://www.youtube.com/c/3blue1brown

"Security Cryptography Whatever" is hosted by Deirdre Connolly (@durumcrustulum), Thomas Ptacek (@tqbf), and David Adrian (@dadrian)

Returning champion Nicholas Carlini comes back to talk about using Claude for vulnerability research, and the current vulnpocalypse. It's all very high-brow stuff, and the gang learns some bitter lessons.
Watch on YouTube: https://www.youtube.com/watch?v=_IDbFLu9Ug8
Transcript: https://securitycryptographywhatever.com/2026/03/25/ai-bug-finding/

Links:

- https://red.anthropic.com/2026/zero-days/
- https://unpromptedcon.org/
- Black-hat LLMs  
- https://red.anthropic.com/2026/firefox/

"Security Cryptography Whatever" is hosted by Deirdre Connolly (@durumcrustulum), Thomas Ptacek (@tqbf), and David Adrian (@dadrian)

Standardizing cryptography involves a lot of opinions. Luckily, the gamer presidents are on it. Come on, you all know the drill.
This is the last time I do this.

"Security Cryptography Whatever" is hosted by Deirdre Connolly (@durumcrustulum), Thomas Ptacek (@tqbf), and David Adrian (@dadrian)