@atoponce@fosstodon.org
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atoponce

@atoponce@fosstodon.org

MSCSIA, cryptography, security, locksport, Linux, programming, mathematics, amateur radio, Buddhism, running, anime, and bibliophilia.

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atoponce, to vim
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I know a joke about #vim. jk

atoponce, to linux
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Just sent in my first patch to the kernel.

This changes the kernel CSPRNG from ChaCha20 to ChaCha8 providing ~2x performance improvement without sacrificing security.

https://lore.kernel.org/lkml/20240429134942.2873253-1-aaron.toponce@gmail.com/T/#u

atoponce,
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Got some push back on my kernel patch, which I expected, so I argued my position. Curious to see if others chime in and where the discussion goes, if anywhere. So far though, I would say my patch looks like it probably won't get implemented.

atoponce,
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Ted Ts'o thinks I'm a shill sent by a nation state, ala Jia Tan of xz infamy, to weaken the RNG. Talk about an immature knee-jerk. Heh.

https://lore.kernel.org/lkml/20240429134942.2873253-1-aaron.toponce@gmail.com/T/#m286677449488f1e0195ba81234e47090a8a3474a

atoponce, to random
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Passkeys are indeed a shattered dream. Everything in this post is spot on with my experience using them.

In theory, I love the idea. In practice, it's a horrible, horrible, horrible UX.

I'll stick with + security keys/TOTP until this mess gets cleaned up.

https://fy.blackhats.net.au/blog/2024-04-26-passkeys-a-shattered-dream/

atoponce, to random
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Found a wasp in the server room. Escorted them outside since they didn't have authorized access.

The wasp looked just as confused as I was.

atoponce, to programming
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Writing good code > your choice of IDE

atoponce, to math
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If you keep exponentiating by 2, how long until you reach infinity?

#math #maths

atoponce, to privacy
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Friends don't let friends use Discord.

Message History of 600 Million Discord Users Can be Accessed For $5

https://80.lv/articles/message-history-of-600-million-discord-users-can-be-accessed-for-usd5/

atoponce, to math
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atoponce, to random
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The Mad Dog 357 hot sauce comes with a bullet keychain. I've had this for a while now and had no idea that the bullet contained a little tasting spoon inside.

BWAHAHAHA!

"Feeling tough punk? Dip this spoon into the bottle and have a taste."

image/jpeg

atoponce, to emacs
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TIL Richard Stallman stole source code from Gosling EMACS, replaced the license headers with his own, and integrated it into his . Over time he eventually replaced all the original code, but only after initially replacing the license headers first.

Why wasn't he sued? How do you sue a homeless man? What do you sue him for?

atoponce,
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@Mehrad It was a rhetorical question.

atoponce, to linux
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Never underestimate neckbeards.

atoponce, to programming
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I had a dream last night about ChaCha20.

> "Here's your 512-bit state array."
> ...
> "Don't forget your quarter round."
> ...
> "Not 20 quarter rounds, 80 you nitwit!"
> ...
> "Yes, increment the counter."
> ...
> "Stop using the all-zero key."
> ...
> "An all-zero nonce isn't any better."

I've been putting it together in JavaScript, just because, so it is on my mind.

atoponce,
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Speaking of which, why did RFC 8439 pick the nonce as "00:00:00:09:00:00:00:4a:00:00:00:00" when verifying test vectors for the block function?

https://datatracker.ietf.org/doc/html/rfc8439#section-2.3.2

Similarly, "00:00:00:00:00:00:00:4a:00:00:00:00" when verifying test vectors for the encryption function?

https://datatracker.ietf.org/doc/html/rfc8439#section-2.4.2

0x4a is "J" in ASCII. Significant?

atoponce, to random
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Red Hat wrote an Nvidia driver in Rust called "Nova"

https://lore.kernel.org/dri-devel/Zfsj0_tb-0-tNrJy@cassiopeiae/

atoponce, to random
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Here's a fun way to comment your C# source code: start it with "https://"

Yup. A URL.

The C# compiler sees "https:" as an unused go-to label and "//" starts a comment for the rest of the line

https://this.is.totally.a.valid.comment.in.c#

atoponce, to random
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If buying isn't owning, piracy isn't stealing.

atoponce, to random
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I've never met a customer service representative that was so eager to get me off the chat as the one I just received from .

My Suunto 9 Baro Titanium has crashed on me four times since Aug 2022, while executing structured workouts; the most recent, last Saturday.

I sent in diagnostic logs via SuuntoLink and give him the log ID, of which he responded "Thanks. Is there anything else I can help you with?"

Uh, yeah. My crashing watch.

Don't buy Suunto. This has been a 2 year irritation.

atoponce,
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The 2nd crash was the worst.

I was doing speed work interval sessions on my run and the watch crashed in the middle of one of the recoveries. At least it wasn't during the interval itself.

However, it hard reset the watch. I had to go through the watch introduction, set my language, re-enter my age, weight, and sex, etc.

I no longer had the workout programmed, so had to press the lap button manually, keeping an eye on the time. Then stitch the activities together post run.

atoponce,
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This isn't the only irritation I've had with this watch.

Setting watch displays can only be done through the mobile app, and they don't define the difference between "laps" and "intervals".

When snowboarding, it doesn't ignore vertical ascent (usually on a chair lift), so it records high TSS for the activity. It also fails to accurately count the number of runs you made down the mountain.

When lap swimming, it also can't count pool lengths reliably, over-counting by dozens.

atoponce, to programming
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Stop learning how to cook. Just order out.

Stop learning how to clean. Just hire a maid.

Stop learning basic first aid. Just call emergency services.

Stop learning how to read a map. Just use your phone.

...

atoponce, to math
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Proof π=3

atoponce, to random
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Just curious what the Fosstodon admins are doing to fight the current wave. Getting a little tired reporting and blocking 10 accounts per day.

@kev @mike

Some ideas here:

https://mastodon.de/@ErikUden/111940301222380638

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