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lvh

HN member
Joined
Fri, Oct 01, 2010, 2:25 PM UTC
HN karma
6,761
Public activity
1,800 items

About lvh

Co-founder at Latacora. We bootstrap security practices. Check us out at https://latacora.com, or e-mail us at youagain@latacora.com. I focus on infrastructure security and cryptography.

President of the Clojurists Together Foundation. We help the Clojure ecosystem, primarily by funding important open source projects (like CIDER, Ring, Reagent, Calva, Fireplace...), but also critical infrastructure like Clojars. https://www.clojuriststogether.org/

Feel free to contact me at _@lvh.io or professionally at lvh@latacora.com. Twitter: @lvh.

I wrote an introductory course on cryptography called Crypto 101. It's available for free and pairs well with cryptopals:

   - https://www.crypto101.io
   - https://cryptopals.com/
[ my public key: https://keybase.io/lvh; my proof: https://keybase.io/lvh/sigs/3Vhvhy8z2GAvOxd_cISVYLuz61aGzZ8f6AKzD2uAWVA ]

Recent public activity

  1. story
  2. comment
    Comment #46079599

    "The operating system makes it easy to mess with" doesn't seem like a particularly useful property for application file formats.

  3. comment
    Comment #44147108

    That doesn't really explain why , you're just saying that the thin you claimed was desirable is desirable. (I don't disagree! I'm just saying: you haven't advanced your argument or…

  4. comment
    Comment #43390247

    This is a fantastic example of applying deception strategies in practice as part of a detection & response plan. The most common use case is as a canary, but it absolutely works as…

  5. comment
    Comment #41560862

    Some of our customers, like Tailscale, are a helluva lot more picky than that.

  6. comment
    Comment #41559826

    Re: hashing: Yes, but I'll leave that one to Paul who is a lot smarter than I am :) Re: QA: can you say a bit more about the type of coverage you're worried about? Is your concern …

  7. comment
    Comment #41559747

    FYI: we're planning a followup post for people who are less interested in the Datomic mechanics and more interested in the usefulness to investigations and other security functions…

  8. comment
    Comment #41559715

    (I'm one of the founders of Latacora and reviewed the post.) If any of you are at Heart of Clojure, I'll be there both wearing my Latacora hat and my Clojurists Together hat :)

  9. story
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    Comment #41366121

    I don't know if I count as a "feline friend", but: SIDH kept the DH shape. Being able to upgrade the protocols we had relatively closely is appealing. "Structure is useful but seem…

  11. comment
    Comment #41273463

    We did an updated version of the Cryptographic Right Answers for PQC. Given how quick the field is moving, I'm sure we're going to have to edit it a bunch :) https://www.latacora.c…

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    Comment #41273458

    These standards are developed out in the open. Are you suggesting a true backdoor, or just "the NSA knows something about lattice algorithms the rest of us don't"?

  13. story
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    Comment #40182664

    The additional information you need is that that's what Thomas Wouters does (and has done for as long as I've known them, which is many, many years).

  15. comment
    Comment #39458429

    You should try C-f "Chinese".

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    Comment #39321804

    We're talking about chips: stuff optimized for inference and training. It may have a lot of memory, it may be able to perform a lot of operations, but it would be difficult for it …

  17. comment
    Comment #38703222

    Thanks! I'm glad you liked it. Happy to answer any questions about that talk.

  18. comment
    Comment #38657376

    How do you know this person (Tal Broda) made this? It doesn't seem to list an author.

  19. story
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    Comment #38440214

    They may often be used with small embedded computers, but 1 Coral TPU handily beats even a top-end CPU for the stuff Frigate needs it to do -- and it does it at minuscule power dra…

  21. comment
    Comment #38391919

    They sold (and continue to sell) TPUs under the Coral brand, and they're pretty popular for edge inference (e.g. Frigate).

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    Comment #38250298

    My daily driver is a 1986 911 Turbo (aka the 930). That's a nearly 40 year old car, they make a similar new infotainment system that works for even older cars. Thing runs like a dr…

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    Comment #38191243

    Good news: you can now, I just installed it and it was easy and fun. https://github.com/PaulWieland/ratgdo But it is external to the device, you're right :) And for some crazy reas…

  24. comment
    Comment #38191217

    That sounds even dicier than modifying the wall switch, but sure :) There is a part of me that wants to break the damn thing open to hunt for a 3.3V line so I can power the ratgdo …

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    Comment #38191102

    That's fair. Maybe my security background is shining through here. I guess we used to have "slashdotting" but that doesn't generalize well :) I did do some napkin math to quantify …