Daniel aka CyReVolt 🐢

Drink all the booze, #hack all the things!
🥃👩🏻‍💻✨

Doing: #web #security #firmware #hardware
🎢🗑️🔥

Projects: #oreboot • https://linuxboot.org • https://fiedka.app 🐙

Live: https://twitch.tv/cyrevolt

Public Key

npub1ya5yfqh2q9elmfcs83m3p64xtqjrzx746mf4ed47nq4g8cf7ctjqzjx7j6

NIP-05 Address

CyReVolt_at_mastodon.social@mostr.pub

Profile Code

nprofile1qqszw6zyst4qzula5ugrcacsa2n9sfp3r02ad56uk6lfs25ruylv9eq54v9tq

Author Public Key

npub1ya5yfqh2q9elmfcs83m3p64xtqjrzx746mf4ed47nq4g8cf7ctjqzjx7j6

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Last Notes

2024-09-05 17:34:10

Vendor only does black and white.
We can do pink. ^^
https://files.mastodon.social/media_attachments/files/113/086/145/003/737/339/original/ad1a849205100a57.jpg

2024-08-09 14:45:38

HACK THE PLANET! 🥳✨👩‍💻

2024-08-09 00:33:49

Damn so much is working already!
We're close to finishing up. 🙂
Who would have thought it'd be that easy?
https://files.mastodon.social/media_attachments/files/112/929/251/403/897/784/original/5954c7864ac0730a.jpg

2024-08-05 17:00:49

I'm more like MEOW-shaped.
https://files.mastodon.social/media_attachments/files/112/910/481/385/579/827/original/4315b7509dfbd3ad.png

2024-07-29 01:26:19

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@npub1rnq…7anc what? x)

2024-07-26 15:25:31

Doing a bit of @npub1dq6…xcjf hacking on my trip to Augsburg.
Tomorrow is the Rust hackathon at THA. 🥳
✨👩‍💻✨🚂
Hack the planet!
https://files.mastodon.social/media_attachments/files/112/853/481/039/570/845/original/b7a4ebf9e24f4749.jpg

2024-07-02 11:49:10

You say Gen Y or Millenials, huh?
I sayeth Gen UwU :3
feel free to use this as a custom emoji in your chat apps
https://files.mastodon.social/media_attachments/files/112/716/736/775/916/247/original/e402d895d84899e9.png

2024-06-22 13:17:17

While I'm trying to push for open, well-documented platforms, this is happening on the other side
https://lore.kernel.org/u-boot/20240620213539.ftmjhphypssxp5n4@desolate/T/#u
> NOTE: I am not judging any company(including TI) for reasons why some firmware is proprietary, but I hate to have the end users and other system (distro) maintainers have to deal with hell trying to make the life of end users easy to live with.

2024-05-16 15:14:12

Oh we've successfully run our tiny SBI test on the Duo S / SG2000, have I mentioned? :)
https://files.mastodon.social/media_attachments/files/112/451/414/644/197/238/original/a9f60f06db73b5d7.png

2024-04-28 09:03:54

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@npub19lt…qfjk one technique is using a certain padding and showing the fading gradient either way.
https://files.mastodon.social/media_attachments/files/112/348/037/650/662/553/original/31496487a1386598.png

2024-03-17 10:46:01

Check this out, a #RISCV CPU made of just simple components, no FPGAs or ASICs.
I just played snake on it. 🥳
It implements RV32I.
https://pineapple-one.github.io/ 👈🧐
https://files.mastodon.social/media_attachments/files/112/110/618/777/111/660/original/e4446ed79080be8d.jpg

2024-02-23 21:44:54

Das letzte Mett ist aufgebraucht.
Viele viele Brötchen, Belag, Aufstriche, bunte Eier und vieles mehr sind noch reichlich vorhanden.
Morgen gibt es wieder neues Mett bei der @npub1ayn…z6xs. ;-)
https://files.mastodon.social/media_attachments/files/111/982/979/707/988/995/original/53ff604eceaa7018.jpg
https://files.mastodon.social/media_attachments/files/111/982/981/375/980/048/original/6145f3c6402dcf4e.jpg

2024-02-09 22:13:34

Times when #Rust drives you mad:
Hey, just add `&foo[..]` something.
No, drop the `&` again.
Hey, add some more `[..]`!
Gosh... I have a struct, say,
`struct Boop { boop: [u8; 32] }`
How do I instantiate it?
I tried
`Boop { boop: vec![0u8; 32] }`
and that didn't work. So I tried
`Boop { boop: vec![0u8; 32].as_slice() }`
and that didn't work either ... because it loses size information, IIUC... #halpz
https://files.mastodon.social/media_attachments/files/111/903/807/825/221/165/original/af8c69da94e96b5c.png

2024-02-02 12:41:10

That's not a laptop - we're good, right? ^^
https://files.mastodon.social/media_attachments/files/111/861/933/955/635/506/original/8d940579275d5252.jpg

2024-02-02 09:25:55

We're now seriously debugging @npub1nc6…3uug, trying to run it on the JH7110 with @npub1dq6…xcjf. ✨👩‍💻✨
We got some first bytes out thus far. 🥳
Just MMIO and printk all the way!
Well, by now we have the console enabled.
That was an extra option in the menu. xD
https://files.mastodon.social/media_attachments/files/111/861/160/103/155/857/original/0783017e4b5c56dc.png
https://files.mastodon.social/media_attachments/files/111/861/160/147/899/963/original/69f5074132e28211.jpg

2024-01-27 16:32:17

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@npub1rnq…7anc It is mostly intended to be a joke.
Oh and I just figured out that there is a built-in dark theme!
Thanks to
https://github.com/zackelia/ghidra-dark-theme
https://files.mastodon.social/media_attachments/files/111/828/868/688/513/837/original/24cad4084b3666ec.png

2024-01-27 16:13:06

#Ghidra is my favourite #IDE.
https://files.mastodon.social/media_attachments/files/111/828/794/146/491/349/original/2a6170f62f07e385.png

2024-01-22 22:48:17

UUUUUUUUU...
I never sent that. 🙃
https://files.mastodon.social/media_attachments/files/111/802/036/415/831/687/original/bd87d7883114cd27.png

2024-01-19 21:44:04

Here we have lk in QEMU vs on the JH7110 (with @npub1dq6…xcjf).
Guess what's not working yet:
UART interrupts. So, no typing yet. *sigh*
https://files.mastodon.social/media_attachments/files/111/784/791/836/867/912/original/658770224fce6c49.png

2023-12-31 21:56:27

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@npub10sm…hjqm The Lenovo devices are BootGuard locked, starting from the xx50 series.
But a little bird told me a secret. Now I can replace everything in the DXE stage. I have already removed more than 100 of its files, so a small Linux kernel could just fit. I am seeing that I can toss out even more. Technically, I could already add a tiny initramfs. ^^
This is possible up to any xx80 series Lenovo device AFAIK.

2023-12-31 21:13:48

Just a PoC, #LinuxBoot on an X270.
https://files.mastodon.social/media_attachments/files/111/677/094/293/191/181/original/0e7ca6100f8e2325.mp4

2023-12-26 17:09:41

I started publishing the recordings of our #UEFI exploitation sessions.
Playlist is here: https://youtube.com/playlist?list=PLenOHeTI_A9PIW3zelb6c2vhd9V9GhCgF
If you're at #37C3, go check out the self-organized sessions. I have submitted an intro to #oreboot and a #LinuxBoot/u-root/cpu workshop.
And at the Open Source #Firmware Foundation (OSFF) assembly, I'll run a little a #UEFI exploitation session.

2023-10-29 23:58:57

You can now alpha-test the #DeviceTree visualizer here:
https://platform-system-interface.github.io/dtvis/
just use the button to load a DTB file and you will get the tree visualized
it is crappy at this point; ideas and feedback are welcome:
https://github.com/platform-system-interface/dtvis/issues

2023-09-14 22:20:35

Boom!
We can now `cpu` into @npub1gg4…lwat on #MIPS \o/
https://github.com/openwrt/openwrt/pull/13455 made it possible
Thanks @npub1t2c…vhmc :)
https://files.mastodon.social/media_attachments/files/111/065/806/901/303/793/original/61e6c474eb25dab4.png

2023-09-14 10:50:01

"Is there a tool to convert mbox into patches?"
...
k thx bye
https://files.mastodon.social/media_attachments/files/111/063/111/917/136/566/original/e0d7b18f5027a208.png