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Joined 1 year ago
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Cake day: June 11th, 2023

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  • Depends on the vendor for the specifics. In general, they don’t protect against an attacker who has gained persistent privileged access to the machine, only against theft.
    Since the key either can’t leave the tpm or is useless without it (some tpms have one key that it can never return, and will generate a new key and return it encrypted with it’s internal key. This means you get protection but don’t need to worry about storage on the chip), the attacker needs to remain undetected on the server as long as they want to use it, which is difficult for anyone less sophisticated than an advanced persistent threat.

    The Apple system, to its credit, does a degree of user and application validation to use the keys. Generally good for security, but it makes it so if you want to share a key between users you probably won’t be using the secure enclave.

    Most of the trust checks end up being the tpm proving itself to the remote service that’s checking the service. For example, when you use your phones biometrics to log into a website, part of that handshake is the tpm on the phone proving that it’s made by a company to a spec validated by the standards to be secure in the way it’s claiming.


  • Package signing is used to make sure you only get packages from sources you trust.
    Every Linux distro does it and it’s why if you add a new source for packages you get asked to accept a key signature.

    For a long time, the keys used for signing were just files on disk, and you protected them by protecting the server they were on, but they were technically able to be stolen and used to sign malicious packages.

    Some advanced in chip design and cost reductions later, we now have what is often called a “secure enclave”, “trusted platform module”, or a general provider for a non-exportable key.
    It’s a little chip that holds or manages a cryptographic key such that it can’t (or is exceptionally difficult) to get the signing key off the chip or extract it, making it nearly impossible to steal the key without actually physically stealing the server, which is much easier to prevent by putting it in a room with doors, and impossible to do without detection, making a forged package vastly less likely.

    There are services that exist that provide the infrastructure needed to do this, but they cost money and it takes time and money to build it into your system in a way that’s reliable and doesn’t lock you to a vendor if you ever need to switch for whatever reason.

    So I believe this is valve picking up the bill to move archs package infrastructure security up to the top tier.
    It was fine before, but that upgrade is expensive for a volunteer and donation based project and cheap for a high profile company that might legitimately be worried about their use of arch on physical hardware increasing the threat interest.


  • If you watch the video, he wasn’t using it for anything political. He’s doing low stakes crowd work. He’s chatting with people, gives a guy in a trump hat a signed hat while making some self deprecating jokes and good natured insults to the guy in the trump hat. Definitely makes like he’s going to steal the guys hat, and puts it on for a second for a bigger laugh.

    Optics good, bad, or neutral, it wasn’t a planned “solidarity” thing like the headline makes it sound.

    A better headline would have been “Biden borrows trump hat for laugh at lunch following 9/11 memorial event”







  • It’s particularly annoying because those are all AI. AI is the blanket term for the entire category of systems that are man made and exhibit some aspect of intelligence.

    So the marketing term isn’t wrong, but referring to everything by it’s most general category is error prone and makes people who know or work with the differences particularly frustrated.
    It’s easier to say “I made a little AI that learned how I like my tea”, but then people think of something that writes full sentences and tells me to put dogs in my tea. “I made a little machine learning based optimization engine that learned how I like my tea” conveys it much less well.




  • Attributing loosing or making preposterous strategic mistakes to some sort of 5D chess is a weird choice to make.

    I don’t know why so many of you people have such a hard time accepting that the popular conception of Russia as an Eastern counterpart to the US was inaccurate. Turns out that if you consistently invest less in your military equipment and personnel, you have a less capable military. It’s been 40 years since their expenditures have been comparable, and quite frankly it shows.

    Using your old equipment for an invasion would actually be a pretty novel strategy. Ukraine consistently used the best equipment available to them. That that was leftover NATO hardware doesn’t mean Ukraine was choosing to hold the good stuff in reserve.

    If they’re trying to use a “let the reservists die and then send in the competent soldiers” strategy, it doesn’t seem to be going very well. They’re somehow not holding the territory they took very well, and churning through a lot of what was presumably reserve hardware.

    Failing to execute a gulf war 1, and so deciding to chill in a Vietnam situation for … Some reason … for an indeterminate period of time is just not a strategy that any sane strategist would pick.

    If Russia has the ability to just handwave their way to victory if things got too rough, they’ve done a pretty terrible job of demonstrating it.
    I honestly can’t comprehend what you might have seen of this whole affair that would make you think they had that ability, beyond clinging to the notion that a former superpower must still be a superpower.
    They just don’t have the economy or the equipment to be able to afford to burn through endless waves of soldiers like you seem to think they’re intentionally doing.
    They didn’t even get air superiority, which is just embarrassing.



  • An all out war is unlikely, since if NATO involvement was going to kick that off it would have done so by now.
    The next point of escalation that could start something bigger would be stuff like NATO openly sending troops or actively providing fire support.

    US hesitation to allow our hardware to be used for this type of attack is much more to do with the political issues surrounding the war being framed as a proxy war instead of defensive support.
    The electorates support for “saving the day” and “superior US hardware helping keep a country free” is high. Support for a protracted and complex proxy war without clear right and wrong sides is exhausting and hits too many Iraq/Afghanistan buttons for people to care.

    Asking for and publicly being denied permission to bomb targets adjacent to the capitol does just as well at communicating “we can bomb your capitol” as actually doing it.


  • There seems to have been some policy miscommunication between political and military parties of both nations.
    The US has maintained that the restrictions have been to not allow offensive use, or specific long range missiles for targeting well inside Russian territory.
    Ukraine understood this to mean using them to fend off an attack, and only targets within a specific distance from the border.
    In the past few months it seems that much of this has been clarified, and Ukraine is now using US munitions for a proper US “preemptive defensive action inside enemy territory”, because a Russian base in Russia is full of Russian soldiers who will be ordered to attack, therefore an attack is defensive.

    If it was an actual miscommunication or a pivot is unclear, but the US language seems to have not changed, and a policy that acknowledges that almost anything Ukraine does in this war is inherently defensive is much more reasonable.



  • While that’s definitely a factor in global food trends, I don’t see that impacting the US price of food as drastically as companies thinking they can get away with raising prices.

    My reasoning is the web of tarrifs and subsidies that the US uses to stabilize domestic markets, prop up farmers, and generally ensure the US is the key grain player. Shortly after the war started the US and Canada also saw a better than average harvest of the grains that Ukraine typically exports.

    https://fred.stlouisfed.org/series/WPU02120301 https://fred.stlouisfed.org/series/PCU3112113112111 https://fred.stlouisfed.org/series/CPIUFDSL

    The domestic prices paid for wheat and flour both started to fall shortly after the Ukraine invasion, while food prices maintained a rocketing trajectory without much if any changes, with only a slight decrease in the rate of increase about a year after.

    While protectionist US food policies are chock full of horrible problems, in this case they should have insulated people from radical changes in the availability and price of wheat.
    That consumer prices have risen despite falling costs paid to producers is a big indicator that the cost increases are due to something else in the US.

    None of this applies to countries that are dependent on grain imports who have to rely on the global markets instead of adjusting export profitability to stabilize things.



  • Well, given the people talking about it I’m not sure I’d agree that no one was asking or talking about finding something not chromium based.

    A lot of people don’t like having a monoculture, Google driving the entire cadence for new feature development for the web, or having a privacy focused browser whose process is to try to delete the tracking from a not privacy focused browser.


  • ricecake@sh.itjust.workstoMemes@lemmy.mlMeh burger
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    2 months ago

    Most of them are mediocre. Most burger places were mediocre, and then the American gastropub trend saw burgers being made nice as opposed to diner food or bar food. They could also charge more money because they were making nicer food.

    Eventually a bunch of the mediocre places shifted to try to also be nice, but mostly just increased prices, changed decor, and started using the word aioli more than mayo. Oh, and pretzel buns on burgers that got taller without being bigger and are cumbersome to eat.

    In the plus side, if you like a Swiss burger with a garlic aioli, a burger with a fried egg on it, or a burger with 2 pieces of bacon, a spicy BBQ sauce, and fried onion strings and you’re in the mood for some fries with bits of peel on them and a garlic Parmesan butter, then you know exactly what they’re going to put in from of you and exactly what it’ll taste like.

    Mediocre. Not bad, but definitely not the best you’ve ever had.