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jrexilius

HN member
Joined
Mon, Jun 29, 2020, 4:32 PM UTC
HN karma
1,056
Public activity
212 items

About jrexilius

Architect, engineer, hacker, amateur hardware geek. Currently working on communications security problems. personal site: jasonrexilius.com

Recent public activity

  1. comment
    Comment #49232208

    The original research project this company looks based on was very cool and way early: https://sandlab.cs.uchicago.edu/jammer/

  2. comment
    Comment #49200677

    I'm super excited to try your service and the KiCad plug-in to move supply-chain dialogue closer to point-of-creation makes a TON of sense. That and the speed seem to be the two po…

  3. comment
    Comment #49006412

    That is actually what my company built. The primary purpose was for encrypted messaging, but it also acted as secrets store and password manager. The great thing about it being bui…

  4. comment
    Comment #48995410

    Good stuff! If I remember correctly there was company at Defcon selling memory cards that had this feature built into them a couple years ago?

  5. comment
    Comment #48727947

    The wonderful thing about our current culture is that each side thinks that further empowering the federal government is the solution. And it will only be used by their side agains…

  6. comment
    Comment #47951596

    I can't agree with this enough and yet I think the long term danger is masked by the current problems for the majority of voters. I'm not hopeful.

  7. comment
    Comment #47660939

    If I remember correctly, ADP and the other big payroll processors sell your income data, as do many of the finance apps that get access to your bank account data. They also have yo…

  8. comment
    Comment #47546976

    Is a partial collision an indicator that it could be broken? The "we broke it" seems an exageration, but maybe that's a failure of my understanding.

  9. comment
    Comment #47536757

    yes, because the last century of communism showed that it was really just capitalism where centralized power corrupts..

  10. comment
    Comment #47492711

    If your threat model is the NSA, moving to non-US providers actually lowers the barrier as they no longer have to deal with the US constitution and US citizen data. If your threat …

  11. comment
    Comment #47146591

    A sort of related question, is the user able to actually power-off the baseband carrier chip and still keep the phone powered on? I seem to recall there being some 911 regulations …

  12. comment
    Comment #47146493

    You don't need an ID to buy a SIM in UK? I remember not needing one a long time ago but in recent years was asked for one.. maybe not a law? irregularly applied?

  13. comment
    Comment #47146471

    I think the regulations have some loopholes for domestic use, but one I don't know how they can really get around is for international roaming, as other countries have far stricter…

  14. comment
    Comment #47146430

    Good luck! It's a tough sell and some people won't accept that there are people from the defense sector that really care about the Constitution. Transparency is proly your best fri…

  15. comment
    Comment #46513678

    This is an very user-powerful feature. WHY the fuck would they disable it? It basically gives you two buffers, middle click for dynamic selection-paste. repetitive-chunks of text c…

  16. comment
    Comment #45922189

    Last time I played with Moremicro they didn't work with real 802.11s and had some hokey proprietary hierarchal tree topology that required a main basestation gateway. ad-hoc, peer-…

  17. comment
    Comment #45861047

    I live in Chicago and it is a BIG city. I've seen, in real life, none of this. But the online reports are legion. I think, like a lot of things, you can choose what reality you wan…

  18. comment
    Comment #45781775

    I'm confused, is the assertion here that this is the first time silicon valley tech people and their companies got involved in partisan politics? Is it really short memory or selec…

  19. comment
    Comment #45627882

    No, most don't. I've used that approach in the past for privacy and in recent years most services started blocking it with no alternatives.

  20. comment
    Comment #45627854

    The easiest, fastest way to hack this together would be a raspberry pi zero with a display hat. It'd be chunky, but it would keep all the TOTP shared secrets off of other less reli…

  21. comment
    Comment #45458034

    I'm a bit confused.. are people suggesting that the poor pay in the EU is a _good_ thing? These aren't lawn maintenance or car mechanics here. We're talking about saving peoples li…

  22. comment
    Comment #45414572

    I have taken to appending "DO NOT START WRITING CODE." to almost every prompt.. I try to get it to analyze and ask questions and summarize what its going to do first, and even then…

  23. comment
    Comment #45310685

    This is such an important distinction that gets lost so often...

  24. comment
    Comment #45235720

    Graphene has been the best alternative I've found so far.

  25. comment
    Comment #44894279

    yeah, had no idea what that word jumble was meant to convey..